Tensile test method, device, storage medium and electronic device

Abstract

The present disclosure relates to the field of reliability, in particular to a tensile test method, a tensile test device, a storage medium and an electronic device. The tensile test method comprises: obtaining an attribute parameter of a sample to be tested, and determining a tensile test parameter of the sample to be tested according to the attribute parameter; when the sample to be tested is clamped on a tensile testing machine and a extensometer is clamped on the sample to be tested, performing tensile test on the sample to be tested according to the tensile test parameter; obtaining a deformation amount of the sample to be tested when the tensile test is performed on the sample to be tested; and determining a tensile test result of the sample to be tested according to the attribute parameter and / or the deformation amount. The present disclosure can accurately and quickly obtain the tensile test result of the sample to be tested.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the field of reliability, and in particular, to a tensile test method, a tensile test device, a computer readable storage medium and an electronic device. BACKGROUND

[0002] Tensile test is a test for determining a series of characteristics of a material under tensile load, also known as tensile test, and is one of the basic methods of material mechanical property test. Tensile test is used to check whether the material meets the specified standard and to study the performance of the material, and can measure a series of strength indicators and plasticity indicators of the material.

[0003] At present, the tensile test is usually manually performed on the test sample by a tester. However, the test result of manual test is not accurate enough and the efficiency is low.

[0004] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present disclosure, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. SUMMARY

[0005] The purpose of the present disclosure is to provide a tensile test method, a tensile test device, a computer readable storage medium and an electronic device, thereby at least partially overcoming one or more problems caused by the limitations and defects of the related art.

[0006] Other characteristics and advantages of the present disclosure will become apparent from the following detailed description, or will be learned by practice of the present disclosure.

[0007] According to a first aspect of the present disclosure, a tensile test method is provided, comprising:

[0008] obtaining an attribute parameter of a test sample, and determining a tensile test parameter of the test sample according to the attribute parameter;

[0009] performing tensile test on the test sample according to the tensile test parameter when the test sample is clamped on a tensile testing machine and the extensometer is clamped on the test sample;

[0010] obtaining a deformation amount of the test sample when the tensile test is performed on the test sample;

[0011] determining a tensile test result of the test sample according to the attribute parameter and / or the deformation amount.

[0012] In an exemplary embodiment of the present disclosure, the obtaining of the deformation amount of the test sample comprises:

[0013] obtaining an initial extensometer gauge length, the initial extensometer gauge length being an extensometer gauge length before the sample to be tested is subjected to a tensile test;

[0014] obtaining the extensometer gauge length when the sample to be tested is subjected to the tensile test;

[0015] obtaining a first difference between the extensometer gauge length and the initial extensometer gauge length, and taking the first difference as a deformation variable of the sample to be tested.

[0016] In an example embodiment of the present disclosure, the attribute parameter further includes a cross-sectional area of the sample to be tested, the tensile test result includes a yield strength of the sample to be tested, and the determining the tensile test result of the sample to be tested according to the attribute parameter and / or the deformation variable includes:

[0017] obtaining a second difference between the deformation variable and the initial extensometer gauge length;

[0018] obtaining a first ratio between the second difference and the extensometer gauge length;

[0019] when the first ratio is within a preset range, obtaining a first tensile force applied to the sample to be tested;

[0020] obtaining a second ratio between the first tensile force and the cross-sectional area, and taking the second ratio as a yield strength of the sample to be tested.

[0021] In an example embodiment of the present disclosure, the attribute parameter includes an initial gauge length of the sample to be tested, the tensile test result further includes an elongation at break of the sample to be tested, and the determining the tensile test result of the sample to be tested according to the attribute parameter and / or the deformation variable further includes:

[0022] if it is determined that the sample to be tested is broken, obtaining an elongation at break of the sample to be tested measured by the extensometer;

[0023] calculating a third difference between the elongation at break and the initial gauge length, and taking a ratio between the third difference and the initial gauge length as an elongation at break of the sample to be tested.

[0024] In an example embodiment of the present disclosure, the determining that the sample to be tested is broken includes:

[0025] obtaining a second tensile force applied to the sample to be tested at a previous time and a third tensile force applied to the sample to be tested at a current time;

[0026] if a difference between the third tensile force and the second tensile force is greater than or equal to a first preset threshold, it is determined that the sample to be tested is broken.

[0027] In an example embodiment of the present disclosure, the determining the breaking of the sample to be tested comprises:

[0028] calculating a ratio of the difference between the third tensile force and the second tensile force and the second tensile force;

[0029] if the ratio of the difference between the third tensile force and the second tensile force and the second tensile force is greater than or equal to a second preset threshold, determining that the sample to be tested is broken.

[0030] In an example embodiment of the present disclosure, the tensile test result comprises a tensile strength of the sample to be tested, and the determining the tensile test result of the sample to be tested according to the attribute parameter and / or the deformation variable further comprises:

[0031] obtaining a third ratio of the second tensile force to the cross-sectional area;

[0032] taking the third ratio as the tensile strength of the sample to be tested.

[0033] According to a second aspect of the present disclosure, a tensile test device is provided, comprising:

[0034] an attribute parameter obtaining module, configured to obtain an attribute parameter of a sample to be tested, and determine a tensile test parameter of the sample to be tested according to the attribute parameter;

[0035] a tensile test module, configured to perform tensile test on the sample to be tested according to the tensile test parameter when the sample to be tested is clamped on a tensile testing machine and a extensometer is clamped on the sample to be tested;

[0036] a deformation variable obtaining module, configured to obtain a deformation variable of the sample to be tested measured by the extensometer when the sample to be tested is subjected to tensile test;

[0037] a tensile test result obtaining module, configured to determine a tensile test result of the sample to be tested according to the attribute parameter and / or the deformation variable.

[0038] According to a third aspect of the present disclosure, a computer readable storage medium is provided, which stores a computer program, and the program is executed by a processor to implement the steps of the method of any one of the first aspect.

[0039] According to a fourth aspect of the present disclosure, an electronic device is provided, comprising:

[0040] a processor; and

[0041] a memory, configured to store executable instructions of the processor;

[0042] The processor is configured to execute the steps of the method in the first aspect by executing the executable instructions.

[0043] The technical solutions provided by the embodiments of the present disclosure can have the following beneficial effects:

[0044] To sum up, the method provided by the present disclosure can obtain the attribute parameters of the sample to be tested, and determine the tensile test parameters of the sample to be tested according to the attribute parameters; when the sample to be tested is clamped on the tensile testing machine and the extensometer is clamped on the sample to be tested, the sample to be tested is subjected to tensile test according to the tensile test parameters; when the sample to be tested is subjected to tensile test, the deformation amount of the sample to be tested is obtained; and the tensile test result of the sample to be tested is determined according to the attribute parameters and / or the deformation amount, so that the tensile test result of the sample to be tested can be accurately and quickly obtained.

[0045] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0046] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained from these drawings without creative labor for those skilled in the art.

[0047] Figure 1 A flowchart schematically showing a tensile test method in an exemplary embodiment of the present disclosure is shown;

[0048] Figure 2 A block diagram schematically showing a tensile test system in an exemplary embodiment of the present disclosure is shown;

[0049] Figure 3 A flowchart schematically showing a yield strength obtaining method in an exemplary embodiment of the present disclosure is shown;

[0050] Figure 4 A block diagram schematically showing a tensile test device in an exemplary embodiment of the present disclosure is shown;

[0051] Figure 5 A schematic diagram schematically showing a storage medium in an exemplary embodiment of the present disclosure is shown;

[0052] Figure 6 A block diagram schematically showing an electronic device in an exemplary embodiment of the present disclosure is shown.

[0053] In the drawings, same or similar reference numerals denote same or similar parts throughout the several views. DETAILED DESCRIPTION

[0054] The principles and spirits of the present application will be described below with reference to several exemplary embodiments. It should be understood that the embodiments are given only so that those skilled in the art can better understand and implement the present application, and are not intended to limit the scope of the present application in any way. On the contrary, the embodiments are provided so that the present disclosure is more thorough and complete, and the scope of the present disclosure is fully conveyed to those skilled in the art.

[0055] Those skilled in the art will appreciate that the embodiments of the present application can be implemented as a system, device, apparatus, method or computer program product. Therefore, the present disclosure can be embodied in the form of entire hardware, entire software (including firmware, resident software, microcode, etc.), or a combination of hardware and software.

[0056] In view of the defects in the prior art, the present example embodiment first provides a tensile test method, which can accurately and quickly obtain the tensile test result of the sample to be tested. Referring to Figure 1 The tensile test method described above can include the following steps:

[0057] S11, obtaining an attribute parameter of a sample to be tested, and determining a tensile test parameter of the sample to be tested according to the attribute parameter;

[0058] S12, when the sample to be tested is clamped on the tensile testing machine and the extensometer is clamped on the sample to be tested, performing tensile test on the sample to be tested according to the tensile test parameter;

[0059] S13, obtaining a deformation amount of the sample to be tested when the sample to be tested is subjected to tensile test;

[0060] S14, determining a tensile test result of the sample to be tested according to the attribute parameter and / or the deformation amount.

[0061] The method provided by the present disclosure can accurately and quickly obtain the tensile test result of the sample to be tested by obtaining an attribute parameter of a sample to be tested, and determining a tensile test parameter of the sample to be tested according to the attribute parameter; when the sample to be tested is clamped on the tensile testing machine and the extensometer is clamped on the sample to be tested, performing tensile test on the sample to be tested according to the tensile test parameter; obtaining a deformation amount of the sample to be tested when the sample to be tested is subjected to tensile test; and determining a tensile test result of the sample to be tested according to the attribute parameter and / or the deformation amount.

[0062] The following will describe in more detail each step of the tensile testing method in this exemplary embodiment, with reference to the accompanying drawings and embodiments.

[0063] In step S11, the property parameters of the sample to be tested are obtained, and the tensile test parameters of the sample to be tested are determined based on the property parameters.

[0064] In one exemplary embodiment of this disclosure, reference is made to Figure 2 The system architecture shown may include: an extensometer 201, a tensile testing machine 202, and a computer 203. The computer 203 is connected to both the extensometer 201 and the tensile testing machine 202. The user can input the attribute parameters of the sample to be tested on the interactive interface of the computer 203. After receiving the attribute parameters of the sample to be tested input by the user on the computer's interactive interface, the computer 203 determines the tensile test parameters of the sample to be tested based on the attribute parameters. When the sample to be tested is clamped on the tensile testing machine 202, and the extensometer 203 is clamped on the sample, the computer 203 controls the tensile testing machine 202 to apply tension to the sample to be tested according to the tensile test parameters, to perform a tensile test on the sample, and acquires the deformation of the sample during the tensile test; then, the tensile test result of the sample is determined based on the attribute parameters and / or the deformation.

[0065] It should be noted that, in addition to inputting the attribute parameters of the sample to be tested on the interactive interface, users can also select the tensile test plan. The tensile test plan can include parameters such as the tensile speed, inlet force, and control method of the tensile testing machine.

[0066] S12. When the sample to be tested is held in a tensile testing machine and the extensometer is held in the sample to be tested, a tensile test is performed on the sample to be tested according to the tensile test parameters.

[0067] In one exemplary embodiment of this disclosure, the attribute parameters include the material of the sample to be tested. Tensile test parameters corresponding to the material of the sample to be tested can be determined based on the material of the sample, including the maximum tensile force and the maximum extensometer gauge length.

[0068] Furthermore, after determining the tensile test parameters, when the sample to be tested is clamped in the tensile testing machine and the extensometer is clamped on the sample, the user-input test plan is adopted and the tensile test is performed on the sample according to the tensile test parameters. For example, a tensile force can be applied to the sample based on the inlet force, and the tensile testing machine can be controlled to increase the tensile force according to the tensile speed until the tensile force of the tensile testing machine reaches the maximum tensile force or the sample breaks.

[0069] S13. When performing a tensile test on the sample to be tested, obtain the deformation of the sample to be tested.

[0070] In one exemplary embodiment of this disclosure, obtaining the deformation of the sample to be tested includes:

[0071] S131. Obtain the initial extensometer gauge length, wherein the initial extensometer gauge length is the extensometer gauge length before the tensile test is performed on the sample to be tested.

[0072] S132. When performing a tensile test on the sample to be tested, the extensometer gauge length is obtained;

[0073] S133. Obtain the first difference between the extensometer gauge length and the initial extensometer gauge length, and use the first difference as the deformation of the sample to be tested.

[0074] In one exemplary embodiment of this disclosure, before performing a tensile test on the sample to be tested, the extensometer can be clamped onto the sample using its two blades. The distance between the two blades on the extensometer is the extensometer gauge length. During the tensile test on the sample to be tested, the extensometer gauge length changes with the deformation of the sample. Specifically, before the tensile test on the sample to be tested, i.e., when the sample has not deformed, the distance between the two blades on the extensometer is the initial extensometer gauge length. During the tensile test on the sample to be tested, i.e., when the sample has deformed, the distance between the two blades on the extensometer is the extensometer gauge length.

[0075] For example, before performing a tensile test on the sample, the distance between the two blades on the extensometer, i.e., the initial extensometer gauge length, is 4 cm. During the tensile test, the sample deforms, and the distance between the two blades on the extensometer increases to 4.01 cm, meaning the extensometer gauge length is 4.01 cm. The difference of 0.01 cm between 4.01 cm and 4 cm is then the deformation of the sample.

[0076] Based on the above, in one exemplary embodiment of this disclosure, as follows: Figure 3As shown, in an exemplary embodiment of this disclosure, the attribute parameters further include the cross-sectional area of ​​the sample to be tested, and the tensile test result includes the yield strength of the sample to be tested. Determining the tensile test result of the sample to be tested based on the attribute parameters and / or the deformation includes:

[0077] S1411. Obtain the second difference between the deformation and the initial extensometer gauge length;

[0078] S1412. Obtain the first ratio of the second difference to the extensometer gauge length;

[0079] S1413. When the first ratio is within a preset range, obtain the first tensile force applied to the sample to be tested;

[0080] S1414. Obtain the second ratio of the first tensile force to the cross-sectional area, and use the second ratio as the yield strength of the sample to be tested.

[0081] Further, after obtaining the deformation, a second difference between the deformation and the initial extensometer gauge length is calculated, and then a first ratio between the second difference and the extensometer gauge length is calculated. If the first ratio is within a preset range (e.g., 0.2 ± 0.01), a first tensile force applied to the test sample by the tensile testing machine is obtained, and a second ratio between the first tensile force and the cross-sectional area is obtained. This second ratio is the yield strength of the test sample. In an exemplary embodiment of this disclosure, the preset range may also be 0.3 ± 0.01, 0.5 ± 0.01, or other value ranges; this embodiment does not impose specific limitations here. In an exemplary embodiment of this disclosure, the first ratio is the deformation rate of the test sample.

[0082] Based on the above, in an exemplary embodiment of this disclosure, the tensile test result further includes the elongation after fracture of the sample to be tested, and the step of determining the tensile test result of the sample to be tested based on the attribute parameters and / or the deformation further includes:

[0083] S1421. If it is determined that the sample to be tested is broken, then obtain the post-fracture gauge length of the sample to be tested as measured by the extensometer.

[0084] S1422. Calculate the third difference between the post-fracture gauge length and the initial gauge length, and use the ratio of the third difference to the initial gauge length as the post-fracture elongation of the test sample.

[0085] In one exemplary embodiment of this disclosure, two target positions can be set on the test sample according to the attribute parameters of the test sample, and the distance between the two target positions can be measured by an extensometer. Specifically, the initial gauge length is the distance between the two target positions on the test sample measured by the extensometer before tensile testing, and the post-fracture gauge length is the distance between the two target positions measured by the extensometer after the test sample is fractured.

[0086] For example, if the sample to be tested has properties including a cylindrical shape and a length of 9 cm, then the sample can be divided into three segments. The two endpoints A and B of the middle segment can then be designated as target locations.

[0087] Specifically, after obtaining the yield strength of the sample to be tested, the tensile force of the tensile testing machine is increased until the sample to be tested is determined to break, and the post-fracture gauge length of the sample to be tested is obtained.

[0088] Further, after obtaining the post-fracture gauge length, a third difference between the post-fracture gauge length and the initial gauge length is calculated, and this third difference is the post-fracture elongation. Further, the ratio of the post-fracture elongation to the initial gauge length is calculated, and this ratio is the post-fracture elongation rate.

[0089] In one exemplary embodiment of this disclosure, determining that the sample to be tested is fractured includes:

[0090] S1423. Obtain the second tension applied to the sample to be tested at the previous moment and the third tension applied to the sample to be tested at the current moment;

[0091] S1424. If the difference between the third tensile force and the second tensile force is greater than or equal to a preset threshold, then the sample to be tested is determined to be broken.

[0092] Specifically, during the tensile test, the computer acquires the tensile force applied to the test sample by the tensile testing machine at preset intervals. If the difference between the second tensile force applied to the test sample by the tensile testing machine at the previous moment and the third tensile force applied to the test sample by the tensile testing machine at the current moment is greater than or equal to a first preset threshold (e.g., 3,000,000 N), then the test sample is determined to have broken.

[0093] In another embodiment of this disclosure, the difference between the third tensile force and the second tensile force, and the ratio of the second tensile force, can also be calculated. If the difference between the third tensile force and the second tensile force, and the ratio of the second tensile force, are greater than or equal to a second preset threshold (e.g., 40%), then the test sample is determined to have broken.

[0094] Based on the above, the tensile test result includes the tensile strength of the sample under test. Determining the tensile test result of the sample under test based on the property parameters and / or the deformation includes:

[0095] S1425. Obtain the third ratio of the second tensile force to the cross-sectional area;

[0096] S1426. The third ratio is used as the tensile strength of the sample to be tested.

[0097] Specifically, when the test sample is determined to fracture, a third ratio is calculated between the second tensile force applied to the test sample by the tensile testing machine and the cross-sectional area of ​​the test sample. This third ratio is the tensile strength of the test sample.

[0098] It should be noted that if the sample does not break when the tensile testing machine's tension is increased to the maximum tension or the extensometer gauge length is reached, the yield strength of the sample will be taken as the tensile test result. If the sample breaks when the tensile testing machine's tension is increased to the maximum tension or the extensometer gauge length is reached, or when the tensile testing machine's tension is increased to the maximum tension or the extensometer gauge length is reached, the yield strength, elongation after fracture, elongation at break, and tensile strength of the sample will be taken as the tensile test result.

[0099] In summary, the method provided in this disclosure can accurately and quickly obtain the yield strength of the test sample, and can accurately and quickly obtain the tensile test results of elongation after fracture, elongation rate after fracture, and tensile strength when the test sample is determined to have fractured.

[0100] After introducing the tensile testing method according to an exemplary embodiment of the present invention, the following references are made. Figure 4 A tensile testing apparatus according to an exemplary embodiment of the present invention will be described.

[0101] refer to Figure 4 As shown, the tensile testing device 40 of an exemplary embodiment of the present invention may include: a property parameter acquisition module 401, a tensile testing module 402, a deformation acquisition module 403, and a tensile test result acquisition module 404, wherein:

[0102] The attribute parameter acquisition module 401 is used to acquire the attribute parameters of the sample to be tested, and determine the tensile test parameters of the sample to be tested based on the attribute parameters.

[0103] The tensile testing module 402 is used to perform a tensile test on the sample to be tested according to the tensile testing parameters when the sample to be tested is clamped on the tensile testing machine and the extensometer is clamped on the sample to be tested.

[0104] The deformation acquisition module 403 is used to acquire the deformation of the test sample when performing a tensile test on the test sample;

[0105] The tensile test result acquisition module 404 is used to determine the tensile test result of the sample to be tested based on the attribute parameters and / or the deformation.

[0106] In one exemplary embodiment of this disclosure, the deformation acquisition module includes:

[0107] An initial extensometer gauge length acquisition unit is used to acquire the initial extensometer gauge length, which is the extensometer gauge length before the tensile test is performed on the sample to be tested.

[0108] The extensometer gauge length acquisition unit is used to acquire the extensometer gauge length when performing a tensile test on the sample to be tested.

[0109] The deformation acquisition unit is used to acquire a first difference between the extensometer gauge length and the initial extensometer gauge length, and to use the first difference as the deformation of the sample to be tested.

[0110] In one exemplary embodiment of this disclosure, the attribute parameters further include the cross-sectional area of ​​the sample to be tested, the tensile test result includes the yield strength of the sample to be tested, and the tensile test result acquisition module includes:

[0111] The second difference acquisition unit is used to acquire the second difference between the deformation and the initial extensometer gauge length;

[0112] The first ratio acquisition unit is used to acquire the first ratio between the second difference and the extensometer gauge length;

[0113] The first tensile force acquisition unit is used to acquire the first tensile force applied to the sample to be tested when the first ratio is within a preset range;

[0114] The yield strength acquisition unit is used to acquire a second ratio of the first tensile force to the cross-sectional area, and to use the second ratio as the yield strength of the sample to be tested.

[0115] In one exemplary embodiment of this disclosure, the attribute parameters include the initial gauge length of the sample to be tested, the tensile test result further includes the elongation after fracture of the sample to be tested, and the tensile test result acquisition module includes:

[0116] The post-fracture gauge length acquisition unit is used to acquire the post-fracture gauge length of the test sample as measured by the extensometer if it is determined that the test sample is fractured.

[0117] The post-fracture elongation acquisition unit is used to calculate the third difference between the post-fracture gauge length and the initial gauge length, and to use the ratio of the third difference to the initial gauge length as the post-fracture elongation of the sample to be tested.

[0118] In one exemplary embodiment of this disclosure, the post-fault gauge length acquisition unit includes:

[0119] The second tension acquisition unit is used to acquire the second tension applied to the sample to be tested at the previous moment and the third tension applied to the sample to be tested at the current moment.

[0120] The first sample fracture determination unit is used to determine that the sample to be tested is fractured if the difference between the third tensile force and the second tensile force is greater than or equal to a preset threshold.

[0121] In one exemplary embodiment of this disclosure, the post-fault gauge length acquisition unit includes:

[0122] The second ratio acquisition unit is used to calculate the ratio of the difference between the third tension and the second tension to the second tension;

[0123] The second sample fracture determination unit is used to determine that the sample to be tested is fractured if the ratio of the difference between the third tensile force and the second tensile force to the second tensile force is greater than or equal to a second preset threshold.

[0124] In one exemplary embodiment of this disclosure, the tensile test result includes the tensile strength of the sample to be tested, and the tensile test result acquisition module includes:

[0125] The third ratio acquisition unit is used to acquire the third ratio of the second tensile force to the cross-sectional area;

[0126] The tensile strength acquisition unit is used to take the third ratio as the tensile strength of the sample to be tested.

[0127] Since the functional modules of the tensile testing device in this invention are the same as those in the tensile testing method described above, they will not be repeated here.

[0128] After introducing the tensile testing method and tensile testing apparatus according to exemplary embodiments of the present invention, the following will refer to... Figure 5 The storage medium of an exemplary embodiment of the present invention will be described.

[0129] refer to Figure 5As shown, a program product 500 for implementing the above-described method according to an embodiment of the present invention is described. It may employ a portable compact disc read-only memory (CD-ROM) and include program code, and may run on a device such as a personal computer. However, the program product of the present invention is not limited thereto. In this document, the readable storage medium may be any tangible medium containing or storing a program that may be used by or in conjunction with an instruction execution system, apparatus, or device.

[0130] The program product may employ any combination of one or more readable media. A readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples of readable storage media (a non-exhaustive list) include: an electrical connection having one or more wires, a portable disk, a hard disk, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination thereof.

[0131] Computer-readable signal media may include data signals propagated in baseband or as part of a carrier wave, carrying readable program code. Such propagated data signals may take various forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination thereof. A readable signal medium may also be any readable medium other than a readable storage medium, capable of sending, propagating, or transmitting programs for use by or in conjunction with an instruction execution system, apparatus, or device.

[0132] The program code contained on the readable medium may be transmitted using any suitable medium, including but not limited to wireless, wired, optical fiber, RF, etc., or any suitable combination thereof.

[0133] Program code for performing the operations of this invention can be written in any combination of one or more programming languages, including object-oriented programming languages ​​such as Java and C++, and conventional procedural programming languages ​​such as C or similar languages. The program code can execute entirely on the user's computing device, partially on the user's computing device and partially on a remote computing device, or entirely on a remote computing device or server. In cases involving remote computing devices, the remote computing device can be connected to the user's computing device via any type of network, including a local area network (LAN) or a wide area network (WAN), or it can be connected to an external computing device (e.g., via the Internet using an Internet service provider).

[0134] After introducing the storage medium of exemplary embodiments of the present invention, the following references are made. Figure 6 An electronic device according to an exemplary embodiment of the present invention will be described.

[0135] Figure 6 The electronic device 60 shown is merely an example and should not impose any limitations on the functionality and scope of use of the embodiments of the present invention.

[0136] like Figure 6 As shown, the electronic device 60 is presented in the form of a general-purpose computing device. The components of the electronic device 60 may include, but are not limited to: at least one processing unit 610, at least one storage unit 620, a bus 630 connecting different system components (including storage unit 620 and processing unit 610), and a display unit 640.

[0137] The storage unit stores program code that can be executed by the processing unit 610, causing the processing unit 610 to perform the steps described in the "Exemplary Methods" section of this specification according to various exemplary embodiments of the present invention. For example, the processing unit 610 can perform actions such as... Figure 1 Steps S11 to S14 are shown in the diagram.

[0138] Storage unit 620 may include volatile storage units, such as random access memory (RAM) 6201 and / or cache memory 6202, and may further include read-only memory (ROM) 6203. Storage unit 620 may also include a program / utility 6204 having a set (at least one) of program modules 6205, such program modules 6205 including but not limited to: operating system, one or more application programs, other program modules, and program data, each or some combination of these examples may include an implementation of a network environment.

[0139] Bus 630 may include a data bus, an address bus, and a control bus.

[0140] Electronic device 60 can also communicate with one or more external devices 70 (e.g., keyboard, pointing device, Bluetooth device, etc.) via input / output (I / O) interface 650. Electronic device 60 also includes a display unit 640 connected to input / output (I / O) interface 650 for display purposes. Furthermore, electronic device 60 can communicate with one or more networks (e.g., local area network (LAN), wide area network (WAN), and / or public networks, such as the Internet) via network adapter 660. As shown, network adapter 660 communicates with other modules of electronic device 60 via bus 630. It should be understood that, although not shown in the figures, other hardware and / or software modules can be used in conjunction with electronic device 60, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems.

[0141] It should be noted that although several modules or sub-modules of the rate control device have been mentioned in the detailed description above, this division is merely exemplary and not mandatory. In fact, according to embodiments of the present invention, the features and functions of two or more units / modules described above can be embodied in one unit / module. Conversely, the features and functions of one unit / module described above can be further divided and embodied by multiple units / modules.

[0142] Furthermore, although the operations of the method of the present invention are described in a specific order in the accompanying drawings, this does not require or imply that these operations must be performed in that specific order, or that all the operations shown must be performed to achieve the desired result. Additionally or alternatively, certain steps may be omitted, multiple steps may be combined into one step, and / or one step may be broken down into multiple steps.

[0143] While the spirit and principles of the invention have been described with reference to several specific embodiments, it should be understood that the invention is not limited to the disclosed specific embodiments, and the division of aspects does not imply that features in these aspects cannot be combined for benefit; such division is merely for ease of description. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A tensile testing method, characterized in that, include: Obtain the property parameters of the sample to be tested, and determine the tensile test parameters of the sample to be tested based on the property parameters; When the sample to be tested is held in a tensile testing machine and the extensometer is held in the sample to be tested, a tensile test is performed on the sample to be tested according to the tensile test parameters. When performing a tensile test on the sample to be tested, the deformation of the sample to be tested is obtained; The tensile test results of the sample to be tested are determined based on the attribute parameters and / or the deformation. Wherein, the attribute parameters include the initial gauge length of the sample to be tested, the tensile test result also includes the elongation after fracture of the sample to be tested, and the determination of the tensile test result of the sample to be tested based on the attribute parameters and / or the deformation further includes: If it is determined that the test sample is fractured, the post-fracture gauge length of the test sample measured by the extensometer is obtained. Calculate the second difference between the post-fracture gauge length and the initial gauge length, and use the ratio of the second difference to the initial gauge length as the post-fracture elongation of the test sample; The determination that the sample to be tested is fractured includes: Obtain the second tensile force applied to the sample to be tested at the previous moment and the third tensile force applied to the sample to be tested at the current moment; If the difference between the third tensile force and the second tensile force is greater than or equal to the first preset threshold, then the sample to be tested is determined to be broken. The tensile test result includes the tensile strength of the sample under test, and the property parameters and / or the deformation further determine the tensile test result of the sample under test. Obtain the third ratio of the second tensile force to the cross-sectional area; The third ratio is taken as the tensile strength of the sample to be tested; The tensile testing method further includes: If the tensile tester is increased to the maximum tensile force or the extensometer gauge length is increased to the maximum extensometer gauge length, and the test sample still does not break, then the yield strength of the test sample is taken as the tensile test result of the test sample. If the test sample breaks when the tensile testing machine's tension is increased to the maximum tension or the extensometer gauge length reaches the maximum extensometer gauge length, or when the tensile testing machine's tension is increased to the maximum tension or the extensometer gauge length reaches the maximum extensometer gauge length, then the yield strength, elongation after fracture, elongation at break, and tensile strength of the test sample are taken as the tensile test results of the test sample.

2. The method according to claim 1, characterized in that, The deformation of the sample to be tested is obtained by: Obtain the initial extensometer gauge length, which is the extensometer gauge length before performing a tensile test on the sample to be tested. When performing a tensile test on the sample to be tested, the extensometer gauge length is obtained; Obtain the first difference between the extensometer gauge length and the initial extensometer gauge length, and use the first difference as the deformation of the sample to be tested.

3. The method according to claim 2, characterized in that, The attribute parameters also include the cross-sectional area of ​​the sample to be tested, and the tensile test result includes the yield strength of the sample to be tested. Determining the tensile test result of the sample to be tested based on the attribute parameters and / or the deformation includes: Obtain the second difference between the deformation and the initial extensometer gauge length; Obtain the first ratio between the second difference and the extensometer gauge length; When the first ratio is within a preset range, the first tensile force applied to the sample to be tested is obtained; Obtain a second ratio of the first tensile force to the cross-sectional area, and use the second ratio as the yield strength of the sample to be tested.

4. The method according to claim 1, characterized in that, The determination that the sample to be tested is fractured includes: Calculate the ratio of the difference between the third tension and the second tension to the second tension; If the ratio of the difference between the third tensile force and the second tensile force to the second tensile force is greater than or equal to the second preset threshold, then the sample to be tested is determined to be broken.

5. A tensile testing device, characterized in that, include: The attribute parameter acquisition module is used to acquire the attribute parameters of the sample to be tested, and determine the tensile test parameters of the sample to be tested based on the attribute parameters. A tensile testing module is used to perform a tensile test on the sample under test according to the tensile testing parameters when the sample under test is clamped on the tensile testing machine and the extensometer is clamped on the sample under test. The deformation acquisition module is used to acquire the deformation of the test sample as measured by the extensometer when performing a tensile test on the test sample. The tensile test result acquisition module is used to determine the tensile test result of the sample to be tested based on the attribute parameters and / or the deformation. The attribute parameters include the initial gauge length of the sample to be tested, and the tensile test results also include the elongation after fracture of the sample to be tested. The tensile test result acquisition module includes: The post-fracture gauge length acquisition unit is used to acquire the post-fracture gauge length of the test sample as measured by the extensometer if it is determined that the test sample is fractured. The post-fracture elongation acquisition unit is used to calculate the third difference between the post-fracture gauge length and the initial gauge length, and to use the ratio of the third difference to the initial gauge length as the post-fracture elongation of the sample to be tested. The post-fault gauge length acquisition unit includes: The second tension acquisition unit is used to acquire the second tension applied to the sample to be tested at the previous moment and the third tension applied to the sample to be tested at the current moment. The first sample fracture determination unit is used to determine that the sample to be tested is fractured if the difference between the third tensile force and the second tensile force is greater than or equal to a preset threshold. The tensile test result includes the tensile strength of the sample under test, and the tensile test result acquisition module includes: The third ratio acquisition unit is used to acquire the third ratio of the second tensile force to the cross-sectional area; The tensile strength acquisition unit is used to take the third ratio as the tensile strength of the sample to be tested.

6. A computer-readable storage medium having a computer program stored thereon, characterized in that, When executed by a processor, the program implements the steps of the method according to any one of claims 1 to 4.

7. An electronic device, characterized in that, include: processor; as well as Memory for storing the executable instructions of the processor; The processor is configured to perform the steps of the method according to any one of claims 1 to 4 by executing the executable instructions.

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