In situ observation experiment apparatus for electrochemical corrosion measurement

An experimental device and electrochemical technology, applied in the field of in-situ observation experimental devices for electrochemical corrosion measurement, can solve the problems of inability to observe the surface changes of metal materials, and achieve the effect of easy replacement and scrubbing

Inactive Publication Date: 2014-03-12
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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Problems solved by technology

[0005] The purpose of the present invention is to provide an in-situ observation experimental device for electrochemical corrosion measurement, which solves the problems in the prior art that the electrochemical corrosion measurement cannot observe the changes that occur on the surface of metal materials during the experiment.

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  • In situ observation experiment apparatus for electrochemical corrosion measurement

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Embodiment Construction

[0022] like figure 1 As shown, the electrochemical corrosion measurement in-situ observation experimental device of the present invention mainly includes: metal sample 1, transparent corrosive liquid 2, container 3, miniature digital microscope (300 times) 4, corrosive liquid surface 5, computer 6, electrochemical Workstation 7, auxiliary electrode 8, reference electrode 9, etc. The specific structures are as follows:

[0023] The container 3 is filled with a transparent corrosive liquid 2, the metal sample 1, the computer 6, the auxiliary electrode 8, and the reference electrode 9 are connected to the electrochemical workstation 7 through wires, and a miniature digital microscope (300 times) One end of the digital microscope 4 extends into the transparent corrosive liquid 2 under the corrosive liquid surface 5 , and corresponds to the metal sample 1 .

[0024] In the present invention, the micro digital microscope is provided with a liquid-proof cover at the part inserted in...

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Abstract

The invention relates to the field of electrochemical corrosion measurements, particularly to an in situ observation experiment apparatus for an electrochemical corrosion measurement, wherein a purpose of the present invention is to solve problems that the electrochemical corrosion measurement in the prior art can not observe changes generated on the metal material surface during the experiment process and the like. According to the in situ observation experiment apparatus, a transparent corrosive liquid is filled in a container, a metal sample, an auxiliary electrode and a reference electrode are connected with an electrochemical workstation through conducting wires, and a miniature digital microscope is arranged above the metal sample. According to the present invention, the miniature digital microscope can observe the change of the metal surface in the transparent corrosive solution along with changes of the experiment time, the polarization potential and other parameters at any time so as to acquire the metal surface topography image in real time; and the electrochemical measurement result can be corresponded to the metal surface topography image to acquire sufficient information and data so as to well analyze the corrosion mechanism of the metal material.

Description

technical field [0001] The invention relates to the field of electrochemical corrosion measurement, in particular to an in-situ observation experimental device for electrochemical corrosion measurement. Background technique [0002] Corrosion is one of the basic forms of material failure. The annual loss caused by corrosion in my country accounts for about 5% of the gross national product. Electrochemical corrosion is one of the basic types of corrosion. Studying the electrochemical corrosion behavior of materials in different media is of great significance for the study of corrosion mechanism, protection technology, material selection, alloy design, etc. [0003] Electrochemical measurement, as the main means to study electrochemical corrosion, can obtain material corrosion kinetic data and provide an important basis for inferring material corrosion mechanism. However, electrochemical testing techniques still have their limitations, such as the inability to obtain in-situ ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N17/02
Inventor 孙成许进闫茂成吴堂清于长坤龙康
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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