Method for testing bonding strength of multi-layer metal sintered mesh
A multi-layer metal and bonding strength technology, which is applied in the preparation of test samples, measuring devices, instruments, etc. Comparing, judging, and analyzing problems, to achieve the effect of completely consistent technical status and quality status, ensuring accuracy, and strong repeatability
Active Publication Date: 2021-10-29
725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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Problems solved by technology
[0004]
Since each layer of wire mesh in the multi-layer metal sintered mesh is made of weaving, the thickness of the wire mesh is relatively thin, and the diameter of the wire is also relatively small, which is difficult for sample preparation and processing. Therefore, it is impossible to refer to the inspection methods of other multi-layer composite materials for bonding strength. measurement and testing
In the current domestic standards, patents and literature, the research and testing of the bonding strength of multi-layer metal sintered mesh mainly focus on qualitative analysis and testing such as bending test, rolling test, etc., and these qualitative analysis and testing are very important for bonding. There is no clear judgment standard for the quality of strength, and it is impossible to compare and analyze, which affects the comparison, judgment and analysis of the feasibility of sintering processing technology and subsequent processing technology, and hinders the application and development of multi-layer metal sintered mesh.
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[0043] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. In the description of the present invention, it should be noted that, unless otherwise specified, the meaning of "multiple" is two or more; The orientation or positional relationship indicated by "bottom", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the drawings The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention .
[0044] A method for testing the bonding strength of a multilayer metal sintered mesh. The multilayer metal sintered mesh with test holes is prepared by co-sintering a metal h...
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Abstract
A method for testing the bonding strength of a multi-layer metal sintered mesh comprises the following steps: sintering a metal pore plate reserved with test holes and a stacked and assembled silk screen together to prepare the multi-layer metal sintered mesh with the test holes, applying pressure from the test holes to strip the silk screen of the multi-layer metal sintered mesh from the metal pore plate, recording the maximum value of the applied pressure, and calculating to obtain the bonding strength of the multi-layer metal sintered mesh. According to the testing method, the bonding strength value between the metal pore plate and the metal wire mesh can be accurately and quantitatively measured, the repeatability is high, the operation method is convenient, and measurement data support is provided for judging the sintering quality of the multi-layer metal sintered mesh, determining the feasibility of the subsequent processing technology and evaluating the use performance of the multi-layer metal sintered mesh and products of the multi-layer metal sintered mesh.
Description
technical field [0001] The invention belongs to the technical field of performance evaluation of layered composite materials, in particular to a method for testing the bonding strength of multilayer metal sintered nets. Background technique [0002] Multi-layer metal sintered mesh is a filter material made of several layers of metal braided mesh and metal orifice plate through lamination, pressing, vacuum sintering and other processes. It is an ideal homogeneous filter material. Multi-layer sintered metal mesh and its products have been used in filtration and purification, gas-solid separation, liquid-solid separation, gas-liquid separation, divergent cooling, gas collection, shock absorption, noise reduction, flame retardancy, etc. , Petroleum, chemical industry, environmental protection, agriculture, electronics, medicine, food, steel, metallurgy, papermaking and other industries are widely used. [0003] The bonding strength of multilayer metal sintered mesh is an import...
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IPC IPC(8): G01N19/04G01N1/28
CPCG01N19/04G01N1/28
Inventor 郭雨菲侯宗宗梁晨王要伟李洪波徐少可
Owner 725TH RES INST OF CHINA SHIPBUILDING INDAL CORP