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Metal plate sample stretching and clamping device and usage method thereof

A clamping device, metal plate technology, applied in the direction of measuring device, using stable tension/pressure test material strength, instruments, etc., can solve the problem of large mechanical damage at the clamping end of the sample, failure of the test, and Breakage and other problems, to achieve high accuracy, eliminate mechanical damage, and improve the success rate

Pending Publication Date: 2020-05-19
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the technical problems existing in the prior art, the present invention provides a metal plate sample tensile clamping device and its use method to solve the mechanical damage caused by the traditional plate sample tensile device to the clamping end of the sample. Large, causing the clamping end of the sample to break, and ultimately leading to technical problems in the test failure

Method used

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  • Metal plate sample stretching and clamping device and usage method thereof
  • Metal plate sample stretching and clamping device and usage method thereof
  • Metal plate sample stretching and clamping device and usage method thereof

Examples

Experimental program
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Embodiment 1

[0053] In Example 1, a tensile test is carried out on fine-grain annealed pure titanium by using a tensile clamping device for a metal plate sample according to the present invention.

[0054] Firstly, the commercially pure titanium undergoes severe plastic deformation at room temperature, combined with low-temperature annealing process, to prepare a fine-grain annealed pure titanium plate sample;

[0055] Then, the plate-shaped fine-grain annealed pure titanium is processed into a small plate-shaped sample with a length of 8 mm and a width of 2 mm in the parallel section of the sample body; wherein, the first round hole 13 and the second round hole 23 on the mold are clamped up and down. The diameter is 3-5mm;

[0056] Secondly, use 600#, 800#, 1000#, 1200#, 1500#, 2000# sandpaper to carry out rough grinding and fine grinding on the fine-grained annealed pure titanium plate-shaped small sample, and then use gold silk flannelette to manually grind the sample Polishing to ensu...

Embodiment 2

[0062] In Example 1, a tensile test is carried out on fine-grain annealed pure titanium by using a tensile clamping device for a metal plate sample according to the present invention.

[0063] First, grind the plate-shaped industrial pure titanium into a small plate-shaped sample with a length of 6 mm and a width of 2 mm in the parallel section of the sample body; among them, the first round hole 13 and the second round hole 23 on the mold are clamped up and down. The diameter is 3-5mm.

[0064] Then, use 400#, 600#, 800#, 1000#, 1200#, 1500#, and water sandpaper to carry out rough grinding and fine grinding processes on the small industrial pure titanium samples until the surface is smooth, and then use a polishing cloth to grind the industrial pure titanium. The titanium sample is mechanically polished to ensure that the surface of the industrial pure titanium sample is as smooth as a mirror without cracks;

[0065] Secondly, set anti-skid pads between the upper base and th...

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Abstract

The invention discloses a metal plate sample stretching and clamping device and a usage method thereof. The metal plate sample stretching and clamping device comprises a first clamping mold and a second clamping mold, the first clamping mold and the second clamping mold are installed on the testing machine upper clamping block and the testing machine lower clamping block respectively. Grooves areformed in the first clamping mold and the second clamping mold, sample steps are arranged at the ends of the grooves, and round holes are formed in the center areas of the sample steps. A sample is arranged between the first clamping module and the second clamping module, the upper clamping end and the lower clamping end are arranged in grooves of the two clamping molds respectively, and a samplebody is connected with the upper clamping end and the lower clamping end respectively after passing through the round holes. The sample clamping end is clamped through the sample step, the size of thesample clamping end is reduced, and raw materials are saved; the test failure caused by fracture of the sample clamping end due to mechanical damage in the test process of the sample is avoided, thefracture area of the sample is ensured to be a parallel section area after the test is finished, the success rate of the tensile test is effectively improved, and the test result accuracy is high.

Description

technical field [0001] The invention belongs to the technical field of tensile testing of metal materials, in particular to a tensile clamping device for a metal plate sample and an application method thereof. Background technique [0002] Sheet metal has a very wide range of applications in various industries such as automobiles, aviation, navigation and civil use. The tensile property of sheet metal is a very important mechanical property index, and the tensile property test of sheet metal is a basic test in material science research and industrial application. [0003] The traditional plate tensile test fixture has very strict requirements on the size of the metal plate sample. In the development and research of new materials, many new materials prepared by new technology research are small in size, and the sample size cannot meet the requirements of the traditional tensile fixture. Requirements, resulting in the development of new materials can not be tested tensile pro...

Claims

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Application Information

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IPC IPC(8): G01N3/08G01N3/18G01N3/04
CPCG01N3/04G01N3/08G01N3/18G01N2203/0017G01N2203/0226
Inventor 罗雷段西明吴维维高飞龙王苗张琪杨西荣刘晓燕王敬忠
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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