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Method for testing shearing mechanical property of laser welding overlapping weldment

A technology of laser welding and testing methods, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, scientific instruments, etc., can solve the problem of shear mechanical properties without a public, laser welding lap weldment mechanics Performance is difficult to be effectively guaranteed and other issues, to achieve the effect of ensuring standardization and uniformity, force balance, and guarantee accuracy

Inactive Publication Date: 2017-06-13
CASIC DEFENSE TECH RES & TEST CENT
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, at present, there is no public detection method for the shear mechanical properties of laser-welded lap joints, which makes it difficult to effectively guarantee the mechanical properties of laser-welded lap joints.

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  • Method for testing shearing mechanical property of laser welding overlapping weldment
  • Method for testing shearing mechanical property of laser welding overlapping weldment
  • Method for testing shearing mechanical property of laser welding overlapping weldment

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Embodiment Construction

[0043] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0044] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "first" and "second" It is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, which will not be described one by one in the subsequent embodiments.

[0045] A method for testing the shear mechanical properties of a laser-welded lap weldment, the method is used to test the shear mechanical properties of a laser-welded weldment, wherein the weldment includes a first plate and a second plate connected together by lap w...

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Abstract

The invention discloses a method for testing the shearing mechanical property of a laser welding overlapping weldment and belongs to the technical field of welding. The method is used for testing the shearing mechanical property of the weldment. The method comprises the steps of pretreatment, processing and preparing, balance treatment, measurement of a weld width of a weld joint fitting surface, tensile testing and result calculation and analysis. A test of complete and feasible method for testing the shearing mechanical property of a panel overlapping weldment is given; the technology gap of the method in the prior art is compensated; the mechanical property of the laser overlapping weldment can be effectively tested, thereby ensuring the welding quality of the laser overlapping weldment and the reliability of the laser overlapping weldment in use.

Description

technical field [0001] The invention relates to the field of welding technology, in particular to a method for testing the shear mechanical properties of laser-welded lap joints. Background technique [0002] Welding, also known as welding or welding, is a manufacturing process and technology for joining metal or other thermoplastic materials such as plastics by means of heating, high temperature or high pressure. With the development of laser technology, laser welding has become a new technology in the field of welding. Laser welding is one of the important aspects of the application of laser material processing technology. It is an efficient and precise welding method that uses a high-energy-density laser beam as a heat source. Due to its unique advantages, laser welding has been successfully applied in the precision welding of micro and small parts. [0003] In the field of welding, the welding of plates is often encountered. According to different contact methods, plat...

Claims

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Application Information

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IPC IPC(8): G01N3/08
CPCG01N3/08G01N2203/0003G01N2203/0017G01N2203/0075G01N2203/04
Inventor 刘卫华何婷朱琳仲莹莹张翔羽
Owner CASIC DEFENSE TECH RES & TEST CENT
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