Method for performing thermal compression test by using thermal simulation test machine

A testing machine and thermal simulation technology, applied in the field of thermal simulation test, can solve the problem that the deformation rate cannot be accurately controlled

Active Publication Date: 2019-04-05
SHANGHAI MEISHAN IRON & STEEL CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for thermal compression testing with a thermal simulation testing machine, which mainly solves the technical problem that the deformation rate cannot be accurately controlled when using the general unit of the Gleeble3500 thermal simulation testing machine in the prior art for thermal compression testing. Methods The general unit of Gleeble3500 thermal simulation testing machine was used to realize the accurate simulation of compression deformation process parameters and reduce the error of experimental results

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  • Method for performing thermal compression test by using thermal simulation test machine
  • Method for performing thermal compression test by using thermal simulation test machine
  • Method for performing thermal compression test by using thermal simulation test machine

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Embodiment 1

[0034] Embodiment 1, with reference to Figure 1-4 , in embodiment 1, compression deformation test pressing speed V is 10mm / s,

[0035] A method for carrying out a thermal compression test with a thermal simulation testing machine, comprising the following steps:

[0036] 1) Configure the equipment conditions of the Gleeble3500 thermal simulation testing machine, remove the coupling between the compression hammer head and the compression rod of the testing machine, and install the axial displacement sensor in the general unit of the testing machine;

[0037] 2) Measure the acceleration time. The testing machine does not install the sample. Control the Gleeble3500 thermal simulation testing machine to compress the hammer to perform the test of the no-load compression speed. The displacement of 1s is designed to be 10mm, and the displacement value of the whole test is collected and drawn. figure 2 According to the relationship curve between time and displacement shown in , the ...

Embodiment 2

[0042] Embodiment 2, with reference to figure 1 with Figure 5-7 , in embodiment 2, compression deformation test pressing speed V is 50mm / s,

[0043] A method for carrying out a thermal compression test with a thermal simulation testing machine, comprising the following steps:

[0044] 1) with the step 1) of embodiment 1);

[0045] 2) Determining the acceleration time, the testing machine does not install the sample, controls the Gleeble3500 thermal simulation testing machine to compress the hammer to carry out the test of the no-load compression speed, design the displacement of 1s to be 50mm, collect and obtain the displacement value of the whole test, and draw the attached Figure 5 As shown in the relationship curve between time and displacement, the time t=0.08s required for the compression hammer head of the testing machine to reach the speed of 50mm / s is obtained by the tangent point method;

[0046] 3) According to the formula s=Vt / 2=50×0.08 / 2, the minimum accelera...

Embodiment 3

[0050] Embodiment 3, with reference to figure 1 with Figure 8-10 , in embodiment 3, compression deformation test pressing speed V is 100mm / s,

[0051] A method for carrying out a thermal compression test with a thermal simulation testing machine, comprising the following steps:

[0052] 1) with the step 1) of embodiment 1);

[0053] 2) Determining the acceleration time, the testing machine does not install the sample, controls the Gleeble3500 thermal simulation testing machine to compress the hammer to carry out the test of the no-load compression speed, design the displacement of 0.5s to be 50mm, collect and obtain the displacement value of the whole experiment, and draw the attached Figure 8 As shown in the relationship curve between time and displacement, the time t=0.04s required for the compression hammer head of the testing machine to reach the speed of 100mm / s is obtained by the tangent point method;

[0054] 3) According to the formula s=Vt / 2=100×0.04 / 2, the mini...

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Abstract

The invention discloses a method for performing a thermal compression test by using a thermal simulation test machine, mainly solving the technical problem that the deformation rate cannot be accurately controlled when the hot compression experiment is performed by using the general unit of the Gleeble 3500 thermal simulation test machine in the prior art. A method for performing a thermal compression test by using a thermal simulation test machine provided by the invention comprises the following steps: 1) configuring equipment conditions of the Gleeble 3500 thermal simulation test machine; 2) measuring an acceleration time t; 3) calculating a minimum acceleration distance s of the compression hammer head, and setting a time t1 required by the compression hammer head pressing the distances at the pressing speed and a compression deformation time t2 of a sample; 4) mounting the sample on the thermal simulation test machine; 5) performing the compression deformation test in sequence; and 6) analyzing the data collected during the test. The method provided by the invention realizes accurate simulation of thermal compression deformation process parameters by using the general unit ofthe thermal simulation test machine.

Description

technical field [0001] The present invention relates to a method for thermal simulation test, in particular to a method for thermal compression test with thermal simulation testing machine, in particular, to a method for thermal compression test with the general unit of Gleeble3500 thermal simulation testing machine, belonging to Technical field of thermal processing physical simulation test of metal materials. Background technique [0002] Since the thermal deformation process of metal materials directly affects the final structure and properties of metal materials, in order to obtain good product performance, it is extremely important to study the influence of thermal processing parameters on the structure and properties of metal materials. The Gleeble3500 thermal simulation testing machine produced by DSI in the United States has the function of carrying out thermal deformation experiment simulation of different process parameters of metal materials. Through experimental ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/18
CPCG01N3/18G01N2203/0019G01N2203/0048G01N2203/0075G01N2203/0226
Inventor 黄绪传王海军
Owner SHANGHAI MEISHAN IRON & STEEL CO LTD
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