Inertia friction welding method and inertia friction welding device for dissimilar metal

Abstract

The invention discloses an inertia friction welding method and device for dissimilar metal, computer equipment and a computer readable storage medium. The inertia friction welding method and device for the dissimilar metal are used for improving the welding joint quality of inertia friction welding of the dissimilar metal large in high-temperature strength difference. The inertia friction welding method comprises the steps that S1, the first metal piece is rotated; s2, moving the second metal piece; s3, when the first metal piece and the second metal piece are rubbed, the first metal piece or the second metal piece is heated, and the high-temperature strength of the heated metal piece is larger than that of the metal piece which is not heated; and S4, upsetting is carried out.

Description

Technical Field

[0001] The invention relates to an inertia friction welding technology, and in particular to an inertia friction welding method for dissimilar metals, an inertia friction welding device, a computer device and a computer-readable storage medium. Background Art

[0002] Inertia friction welding is an advanced, efficient and environmentally friendly solid phase welding method. During the welding process, the weldment generates heat under pressure and softens the welding interface. Finally, under the action of the upsetting force, the welding interface recrystallizes to form a stable, reliable and high-strength welded joint. Since the welding interface does not melt during the welding process, inertia friction welding is particularly suitable for welding difficult-to-weld metals and dissimilar metals, and is widely used in the welding of important structural parts in the aerospace field.

[0003] Inertia friction welding relies on the recrystallization and dynamic recrystallization process of the weld metal under the action of thermal-mechanical coupling to form a high-strength weld joint, and relies on the plastic deformation of the weld metal at the welding temperature, element diffusion and other mechanisms. When the high-temperature strength of different metals in inertia friction welding is very different, such as the connection between rocket engine stainless steel and titanium alloy, the connection between oil drill pipe structural steel and cemented carbide, the connection between aircraft engine deformable high-temperature alloy and high-strength powder alloy, and the connection between aluminum alloy and stainless steel in the civilian field, the metal with low high-temperature strength will deform a lot, and the metal with high high-temperature strength will not deform significantly. Figure 1 The welded joint of stainless steel and titanium alloy shown in the figure has low high-temperature strength of titanium alloy and a large amount of deformation, while stainless steel has high high-temperature strength and a small amount of deformation, resulting in low strength and poor plasticity of the welded joint, or even failure to weld. Summary of the invention

[0004] The object of the present invention is to provide an inertia friction welding method, an inertia friction welding device, a computer device and a computer-readable storage medium for dissimilar metals, which are used to improve the quality of the inertia friction welding welded joints of dissimilar metals with large differences in high temperature strength.

[0005] In a first aspect, the present invention provides an inertia friction welding method. According to an embodiment of the present invention, the inertia friction welding method includes step S1. rotating a first metal part; step S2. moving a second metal part; step S3. heating the first metal part or the second metal part when the first metal part and the second metal part are rubbed, and the high-temperature strength of the heated metal part is greater than the high-temperature strength of the unheated metal part; and step S4. top forging.

[0006] In one or more embodiments, the high temperature strength of the second metal part is greater than the high temperature strength of the first metal part, and the step S3 includes heating the second metal part.

[0007] In one or more embodiments, the step S4 includes applying an upsetting pressure to the second metal member for upsetting.

[0008] In one or more embodiments, in step S3, the heating is induction heating.

[0009] In one or more embodiments, the step S3 includes starting heating when the first metal member and the second metal member begin to contact.

[0010] In one or more embodiments, the step S3 includes stopping heating when the first metal member stops rotating.

[0011] In one or more embodiments, the step S4 includes maintaining the upset pressure for 10 seconds to 15 seconds for upset.

[0012] In one or more embodiments, step S3 includes obtaining the width of the plastic deformation zone of the metal part with low high temperature strength in unheated inertia friction welding, obtaining the first temperature at which the metal part with high high temperature strength in unheated inertia friction welding has the width of the plastic deformation zone, obtaining the second temperature at which the yield strength of the metal part with high high temperature strength is equivalent to the welding pressure, and controlling the temperature rise of the heated metal part to be the second temperature minus the first temperature during heating.

[0013] In a second aspect, the present invention provides an inertia friction welding device. According to an embodiment of the present invention, the inertia friction welding device includes a rotating mechanism, a moving mechanism, a heating mechanism and an upsetting mechanism; the rotating mechanism is used to rotate a first metal part; the moving mechanism is used to move a second metal part; the heating mechanism is arranged on the rotating mechanism to heat the first metal part or is arranged on the moving mechanism to heat the second metal part, and the high-temperature strength of the heated metal part is greater than the high-temperature strength of the unheated metal part; the upsetting mechanism is used to upset the first metal part and the second metal part.

[0014] In one or more embodiments, the high temperature strength of the second metal member is greater than the high temperature strength of the first metal member, and the heating mechanism is disposed on the moving mechanism to heat the second metal member.

[0015] In one or more embodiments, the heating mechanism is an induction heating mechanism.

[0016] In a third aspect, the present invention provides a computer device. According to an embodiment of the present invention, the computer device includes a processor and a memory. The memory stores a computer program. The processor is used to run the computer program in the memory to implement the steps in the above-mentioned inertia friction welding method.

[0017] In a fourth aspect, the present invention provides a computer-readable storage medium. According to an embodiment of the present invention, the computer-readable storage medium stores a plurality of instructions, and the instructions are suitable for loading by a processor to execute the steps in the above-mentioned inertia friction welding method.

[0018] The embodiments of the present invention have at least the following beneficial effects:

[0019] The increase in temperature of metal parts with high temperature strength increases the plastic deformation of the metal parts with high temperature strength, increases the width of the plastic deformation zone of the metal parts with high temperature strength, and makes the plastic deformation zone more symmetrical about the welding interface, thereby improving the recrystallization and dynamic recrystallization behavior of the welded joint. At the same time, the increase in temperature of metal parts with high temperature strength will also reduce the diffusion activation energy of the metal parts with high temperature strength, thereby promoting the diffusion of elements and further improving the strength of the welded joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and other features, properties and advantages of the present invention will become more apparent through the following description in conjunction with the accompanying drawings and embodiments, in which:

[0021] Figure 1 A schematic diagram of a welded joint of stainless steel and titanium alloy formed by inertia friction welding in the prior art;

[0022] Figure 2 is a flow chart of the inertia friction welding method of the present invention;

[0023] Figure 3 is a schematic diagram of an inertia friction welding device of the present invention;

[0024] Figure 4 Schematic diagram of high temperature strength of stainless steel and titanium alloy;

[0025] Figure 5 A schematic diagram of the distribution of the temperature and the width of the plastic deformation region of a welded joint of stainless steel and titanium alloy formed by inertia friction welding in the prior art;

[0026] Figure 6 It is a schematic diagram of the temperature distribution of the welded joint of stainless steel and titanium alloy formed by inertia friction welding in the prior art and the temperature distribution of the welded joint of stainless steel and titanium alloy formed by inertia friction welding in the present invention;

[0027] Figure 7 A schematic diagram of the distribution of the temperature and the width of the plastic deformation region of a welded joint of stainless steel and titanium alloy formed by inertia friction welding of the present invention;

[0028] Figure 8 A schematic diagram of the temperature distribution of a weld joint formed by inertia friction welding without heating and the temperature distribution of a weld joint formed by inertia friction welding of the present invention;

[0029] Fig. 9 A schematic diagram of the high temperature strength of metals with high high temperature strength and metals with low high temperature strength;

[0030] Reference numerals:

[0031] 1- the first positioning fixture;

[0032] 2- first bearing;

[0033] 3-Body;

[0034] 4-Flywheel;

[0035] 5- first metal member;

[0036] 6- second metal piece;

[0037] 7-Fix the fixture;

[0038] 8- second positioning fixture;

[0039] 9- second bearing;

[0040] 10- Rotating mechanism;

[0041] 11- ejector rod;

[0042] 12-Hydraulic cylinder;

[0043] 13- Heating mechanism;

[0044] 14- mobile mechanism;

[0045] 15-Upsetting mechanism. DETAILED DESCRIPTION

[0046] Reference will now be made in detail to embodiments of the present invention, one or more examples of which are illustrated in the accompanying drawings. Each example is provided to explain the present invention, not to limit the present invention. In fact, it will be apparent to those skilled in the art that various modifications and variations may be made in the present invention without departing from the scope or spirit of the present invention. For example, a feature illustrated or described as part of one embodiment may be used together with another embodiment to produce yet another embodiment. Therefore, the present invention is intended to cover these modifications and variations within the scope of the appended claims and their equivalents.

[0047] It should be noted that these and other subsequent drawings are only examples and are not drawn to scale, and should not be used to limit the actual scope of protection required by the present invention.

[0048] The terms "first", "second", etc. may be used interchangeably to distinguish one feature from another, and are not intended to mean that each feature must be located as shown in the figures in each embodiment.

[0049] The inertia friction welding method of the present invention is used for welding different kinds of metals, and is particularly suitable for welding different kinds of metals with large differences in high-temperature strength. Figure 2 The flow of the inertia friction welding method is shown. Figure 3 An inertia friction welding device is shown. The inertia friction welding device can be used to perform the steps in the inertia friction welding method. The inertia friction welding method and the inertia friction welding device are described together below.

[0050] like Figure 2 and Figure 3 As shown, the inertia friction welding method includes step S1. rotating the first metal part 5. The inertia friction welding device includes a rotating mechanism 10. The rotating mechanism 10 is used to rotate the first metal part 5. The rotating mechanism 10 can be arranged on the fuselage 3. The rotating mechanism 10 may include a first positioning fixture 1, a first bearing 2, a flywheel 4 and a motor (not shown in the figure). The first metal part 5 may be a disk. The first bearing 2 rotatably supports the first positioning fixture 1. Step S1. rotating the first metal part 5 may include using the first positioning fixture 1 to clamp the first metal part 5 to ensure that the first metal part 5 and the first positioning fixture 1 remain fixed during the welding process. Step S1. rotating the first metal part 5 may also include using a motor to drive the flywheel 4 and the first metal part 5 to rotate to a preset speed, and then disengaging the motor and the flywheel 4, and the flywheel 4 relies on inertia to drive the first metal part 5 to rotate.

[0051] like Figure 2 and Figure 3 As shown, the inertia friction welding method also includes step S2. moving the second metal part 6. The inertia friction welding device also includes a moving mechanism 14. The moving mechanism 14 is used to move the second metal part 6. The moving mechanism 14 can be arranged on the fuselage 3. The moving mechanism 14 can include a fixing fixture 7, a second positioning fixture 8, a second bearing 9, a push rod 11 and a hydraulic cylinder 12. The second bearing 9 supports the second positioning fixture 8. The second metal part 6 can be a disk. Step S2. moving the second metal part 6 can include using the second positioning fixture 8 to position the second metal part 6, and using the fixing fixture 7 to clamp the second metal part 6 to ensure that the second metal part 6 and the fixing fixture 7 remain fixed during the welding process. Step S2. moving the second metal part 6 can also include using the hydraulic cylinder 12 to drive the push rod 11, and the push rod 11 drives the fixing fixture 7 and the second positioning fixture 8 to carry the second metal part 6 to make a linear motion and approach the first metal part 5.

[0052] like Figure 2 and Figure 3As shown, the inertia friction welding method further includes step S3. When the first metal part 5 and the second metal part 6 are rubbed, the first metal part 5 or the second metal part 6 is heated, and the high temperature strength of the heated metal part is greater than the high temperature strength of the unheated metal part. The following takes the first metal part 5 as a titanium alloy and the second metal part 6 as stainless steel as an example to illustrate the beneficial effect of step S3. Figure 4 The high temperature strength curves of stainless steel and titanium alloy are shown, and Figure 5 The temperature distribution and the width distribution of the plastic deformation zone of the welded joint of stainless steel and titanium alloy formed by inertia friction welding in the prior art are shown. Figure 5 As shown in the welding temperature curve in the prior art, inertia friction welding uses friction heat as a single heat source. The temperature distribution of the welded joint is that the temperature of the weld interface is the highest. After a small amount of heat generated by plastic deformation and heat conduction generated by friction at the weld interface, the temperature of both sides increases. However, the temperature distribution of the welded joint is generally a single peak with high temperature in the middle and low temperature on both sides. According to the welding temperature curve and Figure 4 The high temperature strength curve in the Figure 5 The temperature-based equivalent yield strength curve in . According to the yield criterion, when the nominal yield strength of the material is greater than the equivalent welding pressure ( Figure 5 When the nominal yield strength of the material is less than or equal to the equivalent welding pressure, the material undergoes plastic deformation. Therefore, according to the temperature-based equivalent yield strength curve and the equivalent welding pressure level, the plastic deformation zone of the welded joint can be obtained ( Figure 5 Observe the plastic deformation zone of the weld joint. In the weld joint formed by inertia friction welding in the prior art, the width of the plastic deformation zone of the metal part with high temperature strength is small, and the width of the plastic deformation zone of the metal part with low temperature strength is large. The plastic deformation amount of the metal part with high temperature strength is insufficient, and the plastic deformation mainly occurs in the metal part with low temperature strength. Step S3 heats the metal part with high temperature strength to increase its temperature and reduce its yield strength, so that the metal part with high temperature strength is easier to plastically deform, and the width of the plastic deformation zone of the metal part with high temperature strength is increased. Comparison Figure 6 The temperature distribution of the welded joint of stainless steel and titanium alloy formed by inertia friction welding in the prior art and the temperature distribution of the welded joint of stainless steel and titanium alloy formed by inertia friction welding in the present invention are different. Due to step S3, the temperature of the metal part with high temperature strength is higher, and the temperature change of the unheated metal part with low temperature strength is so small that it is not obvious. Figure 6 and Figure 4 The high temperature strength curves of stainless steel and titanium alloy shown are combined to obtain Figure 7 The temperature and width of the plastic deformation zone of the welded joint of stainless steel and titanium alloy formed by inertia friction welding of the present invention are shown. Figure 7The improved plastic deformation zone (shown in a box in FIG. 1 ) and the welded joint formed by inertia friction welding of the present invention Figure 7 The plastic deformation of the metal parts with high temperature strength is improved, the width of the plastic deformation zone of the metal parts with high temperature strength is increased, and the improved plastic deformation zone is more symmetrical about the welding interface, thereby improving the recrystallization and dynamic recrystallization behavior of the welded joint. At the same time, the temperature increase of the metal parts with high temperature strength will also reduce the diffusion activation energy of the metal parts with high temperature strength, thereby promoting the diffusion of elements and further improving the strength of the welded joint.

[0053] like Figure 3 As shown, the inertia friction welding device includes a heating mechanism 13. The heating mechanism 13 is arranged on the rotating mechanism 10 to heat the first metal member 5 or arranged on the moving mechanism 14 to heat the second metal member 6. The high temperature strength of the heated metal member is greater than that of the unheated metal member.

[0054] In step S3, the heating may be induction heating. In the prior art, inertia friction welding uses friction heat as a single heat source. The metal parts on both sides of the welding interface generate heat by friction. The metal parts with low high temperature strength soften first, while the metal parts with high high temperature strength deform less and cannot effectively produce sufficient deformation and element diffusion at the welding interface. The welding temperature of the metal parts with high high temperature strength is accurately increased by induction heating, so that the metal parts with high high temperature strength soften and deform. Figure 3 As shown, the heating mechanism 13 may be an induction heating mechanism including an induction coil.

[0055] In the inertia friction welding method, the metal part with high temperature strength can be moved, and the metal part with low temperature strength can be rotated. Thus, the high temperature strength of the second metal part 6 can be greater than the high temperature strength of the first metal part 5. Furthermore, step S3 may include heating the second metal part 6. Furthermore, as Figure 3 As shown, the heating mechanism 13 can be set on the moving mechanism 14 to heat the second metal part 6, increase the initial welding temperature of the second metal part 6 with high high temperature strength, and the first metal part 5 with low high temperature strength is placed on the rotating mechanism 10.

[0056] Step S3 may include starting heating when the first metal member 5 and the second metal member 6 begin to contact. When the first metal member 5 and the second metal member 6 begin to contact, the first metal member 5 and the second metal member 6 begin to frictionally heat the welding interface, and the heating mechanism 13 may be started to start heating the metal member with high temperature strength.

[0057] Step S3 may include stopping heating when the first metal member 5 stops rotating. When the first metal member 5 stops rotating, the friction between the first metal member 5 and the second metal member 6 stops, and the heating mechanism 13 may be turned off to stop heating the high-temperature and high-strength metal member. The heating of the high-temperature and high-strength metal member is maintained until the first metal member 5 stops rotating.

[0058] Step S3 may include obtaining the width of the plastic deformation zone of the metal part with low high temperature strength in the unheated inertia friction welding, obtaining the first temperature at which the metal part with high high temperature strength has the width of the plastic deformation zone in the unheated inertia friction welding, obtaining the second temperature at which the yield strength of the metal part with high high temperature strength is equivalent to the welding pressure, and controlling the temperature rise of the heated metal part to be the second temperature minus the first temperature during heating. When heating the metal part with high high temperature strength, it is necessary to control the temperature rise of the heated metal part, and then control the plastic deformation zone of the metal part with high high temperature strength. First, the width d of the plastic deformation zone of the metal part with low high temperature strength in the inertia friction welding (that is, the inertia friction welding in the prior art) without the heating step is obtained, which can be obtained by anatomical metallography. Then, the first temperature T0 of the plastic deformation zone width d of the metal part with high high temperature strength in the inertia friction welding without the heating step is obtained, such as Figure 8 As shown, the first temperature T0 can be obtained based on the temperature distribution of the welded joint formed by the unheated inertia friction welding and the width d of the plastic deformation area. The temperature distribution of the welded joint formed by the unheated inertia friction welding can be obtained by infrared temperature acquisition. Finally, the yield strength of the high-temperature strength metal part is obtained to be the second temperature T1 of the equivalent welding pressure. The second temperature T1 is the target temperature to which the high-temperature strength metal part needs to be heated in step S3 so that the target plastic deformation area width d is reached, as shown in FIG. Fig. 9 As shown, based on the high temperature strength curve of the metal with high temperature strength, the second temperature T1 corresponding to the yield strength equal to the equivalent welding pressure can be found. The high temperature strength curve of the metal with high temperature strength can be obtained by referring to the yield strength curve of the welding metal at different temperatures, such as by referring to the aviation material manual. Figure 8 As shown, during heating, the temperature rise ΔT of the heated metal part is controlled to be the second temperature T1 minus the first temperature T0. In step S3, the temperature rise requirement of the heated metal part can be met by controlling the heating parameters of the heating mechanism 13. In the inertia friction welding device, the temperature rise requirement of the heated metal part can also be met by designing the heating structure of the heating mechanism 13, such as by designing the induction coil and induction heating parameters in the induction heating mechanism.

[0059] like Figure 2 and Figure 3As shown, the inertia friction welding method also includes step S4. Upsetting. The welding interface of the first metal part 5 and the second metal part 6 forms a welded joint under the action of the upsetting pressure. After upsetting, the welding is completed. The inertia friction welding device includes an upsetting mechanism 15, which is used to upset the first metal part 5 and the second metal part 6. Step S4 may include applying upsetting pressure to the second metal part 6 for upsetting. The upsetting pressure is applied to the second metal part 6 so that the second metal part 6 presses the first metal part 5. The upsetting mechanism 15 can be provided by the push rod 11 and the hydraulic cylinder 12 in the moving mechanism 14, the hydraulic cylinder 12 loads the push rod 11, and the push rod 11 loads the fixing fixture 7 and the second positioning fixture 8, thereby applying upsetting pressure to the second metal part 6. Step S4 may include maintaining the upsetting pressure for 10 seconds to 15 seconds for upsetting. The holding time of the upsetting pressure can be 10 seconds to 15 seconds. Upsetting can be started at the moment when the first metal part 5 stops rotating. Upsetting may also be started when the rotation speed of the first metal part 5 decreases to a preset value.

[0060] A computer device includes a processor and a memory, wherein the memory stores a computer program, and the processor is used to run the computer program in the memory to implement the steps in the above-mentioned inertia friction welding method. The computer device can be a control device of the above-mentioned inertia friction welding device.

[0061] A computer-readable storage medium stores a plurality of instructions suitable for a processor to load to execute the steps in the above-mentioned inertia friction welding method. The computer-readable storage medium may be a computer-readable storage medium of a control device of the above-mentioned inertia friction welding device.

[0062] The steps of the method or algorithm described in conjunction with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. The software module may reside in a RAM memory, a flash memory, a ROM memory, an EPROM memory, an EEPROM memory, a register, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to a processor so that the processor can read and write information from / to the storage medium. In an alternative, a storage medium may be integrated into a processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In an alternative, the processor and the storage medium may reside in a user terminal as discrete components.

[0063] In one or more exemplary embodiments, the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented as a computer program product in software, each function may be stored on or transmitted by a computer-readable medium as one or more instructions or codes. Computer-readable media include both computer storage media and communication media, including any medium that facilitates the transfer of a computer program from one place to another. Storage media may be any available medium that can be accessed by a computer. As an example and not limitation, such a computer-readable medium may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage or other magnetic storage device, or any other medium that can be used to carry or store the desired program code in the form of an instruction or data structure and can be accessed by a computer. Any connection is also properly referred to as a computer-readable medium. For example, if the software is transmitted from a website, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwaves, the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwaves are included in the definition of the medium. Disk and disc as used herein include compact disc (CD), laser disc, optical disc, digital versatile disc (DVD), floppy disk and Blu-ray disc, wherein disk often reproduces data magnetically, while disc reproduces data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.

[0064] Although the present invention is disclosed as above by the embodiments, it is not intended to limit the present invention. Any person skilled in the art may make possible changes and modifications without departing from the spirit and scope of the present invention.

Claims

1. An inertia friction welding method for dissimilar metals, Features include: Step S1. Rotating the first metal member; Step S2. moving the second metal member; Step S3. When the first metal part and the second metal part are rubbed, the first metal part or the second metal part is heated, and the high temperature strength of the heated metal part is greater than the high temperature strength of the unheated metal part; as well as Step S4: Upsetting.

2. The inertia friction welding method according to claim 1, Features: The high temperature strength of the second metal part is greater than the high temperature strength of the first metal part, and the step S3 includes heating the second metal part.

3. The inertia friction welding method according to claim 1, Features: The step S4 includes applying an upsetting pressure to the second metal member for upsetting.

4. The inertia friction welding method according to claim 1, Features: In step S3, the heating is induction heating.

5. The inertia friction welding method according to claim 1, Features: The step S3 includes starting heating when the first metal member and the second metal member begin to contact each other.

6. The inertia friction welding method according to claim 1, Features: The step S3 includes stopping heating when the first metal member stops rotating.

7. The inertia friction welding method according to claim 1, Features: The step S4 includes maintaining the upset pressure for 10 to 15 seconds to perform the upset.

8. The inertia friction welding method according to claim 1, Features: The step S3 includes obtaining the width of the plastic deformation zone of the metal part with low high temperature strength in the unheated inertia friction welding, obtaining the first temperature at which the metal part with high high temperature strength in the unheated inertia friction welding has the width of the plastic deformation zone, obtaining the second temperature at which the yield strength of the metal part with high high temperature strength is equivalent to the welding pressure, and controlling the temperature rise of the heated metal part to be the second temperature minus the first temperature during heating.

9. An inertia friction welding device for dissimilar metals, Features include: A rotating mechanism, used for rotating the first metal member; A moving mechanism, used for moving the second metal member; A heating mechanism, arranged on the rotating mechanism to heat the first metal member or arranged on the moving mechanism to heat the second metal member, the high temperature strength of the heated metal member being greater than the high temperature strength of the unheated metal member; as well as The upset forging mechanism is used for upset forging the first metal part and the second metal part.

10. The inertia friction welding device according to claim 1, Features: The high temperature strength of the second metal member is greater than the high temperature strength of the first metal member, and the heating mechanism is arranged on the moving mechanism to heat the second metal member.

11. The inertia friction welding device according to claim 1, Features: The heating mechanism is an induction heating mechanism.

12. A computer device, Features: The computer device comprises a processor and a memory, wherein the memory stores a computer program, and the processor is used to run the computer program in the memory to implement the steps of the inertia friction welding method according to any one of claims 1 to 8.

13. A computer-readable storage medium, Features: The computer-readable storage medium stores a plurality of instructions, and the instructions are suitable for being loaded by a processor to execute the steps of the inertia friction welding method according to any one of claims 1 to 8.

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