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Electrode device for in situ study of atmospheric corrosion process under liquid droplets

An atmospheric corrosion, electrode device technology, applied in the direction of weather resistance/light resistance/corrosion resistance, measuring device, instrument, etc., can solve the problems of Kelvin probe reference electrode complex structure, high price, difficult to use reference electrode and other problems

Active Publication Date: 2017-10-13
CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is that in the prior art, the Kelvin probe reference electrode has a complex structure, is expensive, and is difficult to use the reference electrode, and provides a new electrode device for in-situ research on the atmospheric corrosion process under liquid droplets

Method used

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  • Electrode device for in situ study of atmospheric corrosion process under liquid droplets

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Effect test

Embodiment 1

[0017] The invention relates to an electrode device for in-situ research on the atmospheric corrosion process under liquid droplets, such as figure 1 As shown, it mainly consists of operating frame 1, 3D operating table 2, gas inlet 3, liquid drop 4, capillary salt bridge of saturated KCl agar 5, platinum wire counter electrode 6, silver wire 7, glass tube 8, silica gel 9, chloride Silver (AgCl) 10, saturated KCl solution 11 containing AgCl, gas outlet 12, working electrode 13, test chamber 14, knob 15 for adjusting the height up and down, electrochemical workstation 16, lead wire 17, and thermostat 18. The end of the reference electrode is a capillary salt bridge 5 filled with saturated KCl agar, the platinum wire counter electrode 6 is wound around the end of the capillary salt bridge 5, and fixed together on the 3D console 2, and the knob 15 on the 3D console 2 for adjusting the vertical height is rotated The relative positions of the capillary salt bridge 5 and the working...

Embodiment 2

[0020] According to the conditions described in Example 1, the length of the capillary salt bridge 5 filled with saturated KCl agar was controlled at 0.5 mm.

Embodiment 3

[0022] According to the conditions described in Example 1, the length of the capillary salt bridge 5 filled with saturated KCl agar was controlled at 0.3 mm.

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Abstract

The invention relates to an electrode device for in-situ research on the atmospheric corrosion process under liquid droplets, which mainly solves the problems of complex structure and high price in the prior art. The present invention adopts an electrode device for in-situ research on the atmospheric corrosion process under liquid droplets, including an operating frame, a 3D operating platform, a gas inlet, a liquid droplet, a capillary salt bridge of saturated KCl agar, a counter electrode, a silver wire, a glass tube, and silica gel , silver chloride, saturated KCl solution containing AgCl, gas outlet, working electrode, test chamber, knob for adjusting the upper and lower heights, electrochemical workstation, lead-out line, and thermostat box solve the above problems well, and can be used in the original bit to study liquid droplets under atmospheric corrosion processes.

Description

technical field [0001] The invention relates to an electrode device for in-situ research on the atmospheric corrosion process under liquid droplets. Background technique [0002] With the rapid development of the global ocean strategy in recent years, the materials used in the marine environment have been more seriously challenged. Especially in the marine atmospheric environment, aerosols have an important effect on the surface of materials, and have a serious impact on their service life. [0003] Atmospheric corrosion of metal under liquid droplets is an important form of atmospheric corrosion, especially for buildings or metal facilities near the coastline, causing great damage. Atmospheric corrosion involves the complex process of gas / liquid / solid and its interface, so many factors can affect its corrosion process. Atmospheric corrosion is essentially an electrochemical process. The droplets condensed on the metal surface are the main cause of atmospheric corrosion of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/02
Inventor 程庆利张卫华陶彬郎需庆张玉平
Owner CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG
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