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

An atmospheric corrosion and electrode device technology, which is applied in weather resistance/light resistance/corrosion resistance, measuring devices, instruments, etc., can solve problems such as expensive, difficult to use reference electrodes, and complex structure of Kelvin probe reference electrodes

Active Publication Date: 2015-10-28
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 drops

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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 study of atmospheric corrosion process under liquid drops, and mainly solves the problems that in the prior art, the electrode device is complex in structure and high in price. The electrode device comprises an operating frame, a 3D operating table, a gas inlet, liquid drops, a capillary tube salt bridge of saturate KCl agar, a counter electrode, a silver wire, a glass tube, silica gel, silver chloride, a saturate KCl solution containing AgCl, a gas outlet, a working electrode, a test chamber, a rotary knob for adjusting upper and lower height, an electrochemical workstation, an outgoing line and a thermostat. Through the adoption of the electrode device for in-situ study of atmospheric corrosion process under liquid drops, the technical scheme well solves the problem, and the electrode device is applicable to in-situ study of atmospheric corrosion process under liquid drops.

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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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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