System for detecting surface defects of metallic material
A metal material, detection system technology, applied in the direction of electrochemical variables of materials, etc., to achieve the effect of strong practicability, simple operation and solving technical problems
Inactive Publication Date: 2016-10-26
董超超
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Problems solved by technology
[0002] In related technologies, few people detect surface defects of metal materials by electrochemical testing methods
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[0012] The present invention will be further described in conjunction with the following application scenarios.
[0013] Application Scenario 1
[0014] see figure 1 , figure 2 , the detection system for the surface defects of metal materials according to an embodiment of this application scenario includes an electrochemical detection sensor 1, and the electrochemical detection sensor 1 includes a mesh flexible plastic plate 2, on which the mesh flexible plastic plate 2 The reference electrode 12 perpendicular to its surface and the auxiliary electrode 13 positioned at the peripheral symmetrical position of the reference electrode 12 are installed, and the reference electrode 12 and the auxiliary electrode 13 are fixed with the mesh flexible plastic plate 2 by viscous material; The reference electrode 12 is a solid Ag-AgCl electrode, and the auxiliary electrode 13 is the same as the material of the tested sample; one end of the reference electrode 12 and the auxiliary elect...
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Abstract
The invention discloses a system for detecting surface defects of a metallic material. The system comprises an electrochemical detection sensor, wherein the electrochemical detection sensor comprises a reticular flexible plastic plate, a reference electrode, which is vertical to the surface of the reticular flexible plastic plate, and auxiliary electrodes which are located at symmetrical positions around the reference electrode are mounted on the reticular flexible plastic plate, and the reference electrode and the auxiliary electrodes are fixed with the reticular flexible plastic plate through a viscose material; the reference electrode is a solid Ag-AgCl electrode, and the auxiliary electrodes are made from a material which is the same as a detected sample material; one end of the reference electrode and one end of each auxiliary electrode serve as working faces, and the other end of the reference electrode and the other end of each auxiliary electrode are welded with conducting wires; other parts, except for the working faces, of the reference electrode and the auxiliary electrodes are coated with an insulating material. According to the system, a use shape for the arranged electrochemical detection sensor can be changed at will, and positions of surface defects of a sample are determined through detected electrochemical information on different positions of the sample, so that the operation is simple, the practicability is high, and an overall detection process is safe and pollution-free.
Description
technical field [0001] The invention relates to the field of surface defect detection, in particular to a detection system for surface defects of metal materials. Background technique [0002] In the related art, few people detect the surface defects of metal materials by electrochemical testing method. The electrochemical detection method has the advantages of in-situ non-destructive, no damage to the sample, safe operation, and no environmental pollution. Therefore, the development of electrochemical detection methods and equipment for surface defects has very important practical significance. Contents of the invention [0003] In order to solve the above problems, the present invention aims to provide a detection system for surface defects of metal materials. [0004] The object of the present invention adopts following technical scheme to realize: [0005] A detection system for surface defects of metal materials, including an electrochemical detection sensor, the el...
Claims
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IPC IPC(8): G01N27/26
CPCG01N27/26
Inventor 不公告发明人
Owner 董超超