A reference electrode protection structure of a rotary erosion wear dynamic electrochemical test system
A reference electrode and protective structure technology, applied in the field of reference electrode protective structure, to achieve the effect of reducing additional devices, simple structure, and high testing efficiency
Active Publication Date: 2018-10-09
HENAN POLYTECHNIC UNIV
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Problems solved by technology
[0005] In summary, in order to overcome the deficiencies of the existing technical problems, the present invention has developed a reference electrode protection structure for a rotary erosion wear dynamic electrochemical test system, which solves the problem of the reference electrode protection structure in the rotary erosion wear test process. For the protection of the electrode, the protection structure of the reference electrode is designed
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[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0020] Such as figure 1 as shown, figure 1 It is a structural schematic diagram of the working state of the present invention. figure 1 The medium-rotary erosion wear dynamic electrochemical test system includes a motor 1, a transmission spindle 2, a potentiostat 3, an auxiliary electrode 4, a reference electrode protection structure 5, and a working electrode 6 as the sample to be tested (the sample size is 40´20 ´20mm, except for one 20´20mm exposed, the other five surfaces are inlaid in the PTFE protective structure jacket), slurry tank 7, stirring impeller 8, slurry tank cover plate 9 and slurry liquid 10, etc.; image 3 Schematic diagram for the assembly of the reference electrode protection structure, such as image 3 As shown, electrode lead sleeve 5-1, reference electrode 5-2, Lujin capillary 5-3, front protective shell 5-4, rear protective shell 5...
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The invention provides a reference electrode protection structure of a rotary dynamic electrochemical test system of erosive wear. The reference electrode protection structure mainly comprises a reference electrode, an electrode lead sleeve, a front protection shell and a rear protection shell, wherein the reference electrode comprises a calomel electrode and a salt bridge; the salt bridge is composed of saturated potassium chloride and agar mixture loaded in a Luggin capillary; the calomel electrode and the salt bridge form the reference electrode; the reference electrode is mounted between the front protection shell and the rear protection shell; a lead of the reference electrode is led out by the electrode lead sleeve and is connected to a potentiostat; the upper end of the electrode lead sleeve is fixed on a slurry tank cover plate. Through the reference electrode protection structure, a working electrode, an auxiliary electrode and the reference electrode are arranged in a slurry solution; the electrochemical characteristics in an erosive abrasion process can be reflected in real time; the factuality of measurement results can be ensured; meanwhile, additional devices arranged outside a slurry tank of the reference electrode are reduced; the test system is simple in structure, convenient to operate and high in test efficiency.
Description
Technical field: [0001] The invention belongs to the field of electrochemical test components, in particular to a reference electrode protection structure of a rotary erosion wear dynamic electrochemical test system. Background technique: [0002] With the continuous development of electrochemical testing technology, electrochemical testing technology has become an important characterization method in the field of material corrosion research. Commonly used corrosion electrochemical research methods include polarization curve analysis, polarization resistance method, and electrochemical impedance spectroscopy. method and electrochemical noise. The electrochemical test method requires a three-electrode system, that is, a working electrode, an auxiliary electrode and a reference electrode. The three electrodes are placed in an electrolytic cell (usually made of glass) filled with a test medium, and connected to a potentiostat by wires. The material to be tested is the working ...
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IPC IPC(8): G01N27/30
CPCG01N27/301
Inventor 李平赵焰杰王李波苏莉
Owner HENAN POLYTECHNIC UNIV