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Testing method and apparatus of corrosive wear resistance of dissimilar metal friction matching pair

A technology for corrosion wear and dissimilar metals, applied in the field of test methods and test devices for corrosion and wear performance of dissimilar metal friction partners, can solve problems such as inability to test galvanic corrosion, and achieve the effect of convenient and accurate galvanic corrosion behavior

Inactive Publication Date: 2017-07-11
HENAN UNIV OF SCI & TECH
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Problems solved by technology

[0005] The purpose of the present invention is to provide a test method and test device for the corrosion and wear performance of dissimilar metal friction partners, so as to solve the problem that the existing test devices cannot test the galvanic corrosion existing between dissimilar metal friction partners

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  • Testing method and apparatus of corrosive wear resistance of dissimilar metal friction matching pair

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with accompanying drawing.

[0019] An embodiment of the corrosion and wear performance test of dissimilar metal friction partners in the present invention is as follows figure 1 As shown, it mainly includes a sample table 17, an O-ring 16, a solution tank 12, a second sample holder, a reference electrode 6, a ZRA galvanic corrosion meter 1 and a friction and wear test system. Among them, the O-shaped sealing ring 16 is arranged on the sample table 17 to form the first sample fixing seat, and the first metal sample 15 is sealed and fixed in the O-shaped sealing ring 16, and is in contact with the metal test table 17. working electrode. The second metal sample 11 is a cylindrical structure, connected to the loading head of the friction and wear experimental testing system through the second sample holder, and its tail end is provided with a circular frustum structure with a small front and a large rear...

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Abstract

The invention relates to the technical field of corrosive wear simulation experiment tests, in particular to a testing method and apparatus of corrosive wear resistance of a dissimilar metal friction matching pair. First and second to-be-tested metal samples are assembled in a friction pair manner, two working electrode interfaces of a ZRA galvanic corrosion gauge are connected to the first and second metal samples, respectively, and a reference electrode interface is connected to a reference electrode disposed in a corrosive solution. During the test, the first and second metal samples perform relative movement in the corrosive solution, and the ZRA galvanic corrosion gauge records the variation of an electrochemical parameter and the mass loss of the first and second metal samples to test the corrosive wear resistance of the dissimilar metal friction matching pair. Compared with an apparatus and method in the prior art, the apparatus and method can test galvanic corrosion between a dissimilar metal friction matching pair, is convenient for accurate research to galvanic corrosion performance of the dissimilar metal friction matching pair, and can evaluate the corrosive wear resistance of the dissimilar metal friction matching pair.

Description

technical field [0001] The invention relates to the technical field of corrosion and wear simulation experiment testing, in particular to a test method and a test device for the corrosion and wear performance of dissimilar metal friction partners. Background technique [0002] Corrosion and wear of metal materials is a phenomenon in which the mechanical wear of the contact surface of the friction pair and the chemical or electrochemical corrosion of the surrounding corrosive medium cause the surface of the material to fail. The specific failure mode of this material is the result of the joint influence of mechanical, chemical and electrochemical factors and their interaction. Corrosion and wear of metals is very common in the fields of petrochemical, machinery, metallurgy and mining, energy and chemical engineering, marine engineering machinery, and human implant materials. Traditional testing methods cannot realize the simultaneous testing of the friction and wear properti...

Claims

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Application Information

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IPC IPC(8): G01N3/56G01N3/02G01N17/00G01N17/02
CPCG01N3/56G01N3/02G01N17/006G01N17/02
Inventor 陈君张清朱利敏付三玲陈晓亚张帅王颂博关海昆
Owner HENAN UNIV OF SCI & TECH
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