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A research device and method for electrochemical corrosion behavior in spray splash zone

A spray splash and electrochemical technology, applied in electromagnetic measuring devices, measuring devices, weather resistance/light resistance/corrosion resistance, etc., can solve the problems of inability to continuously and effectively control liquid film measurement, large liquid film thickness error, etc., and achieve high precision , The liquid film thickness measurement is accurate and the effect of ensuring authenticity

Inactive Publication Date: 2016-08-17
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of measuring device has a large error in measuring the thickness of the liquid film, and cannot continuously and effectively control the measurement of the liquid film

Method used

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  • A research device and method for electrochemical corrosion behavior in spray splash zone
  • A research device and method for electrochemical corrosion behavior in spray splash zone
  • A research device and method for electrochemical corrosion behavior in spray splash zone

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Embodiment Construction

[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] Such as figure 1 Shown is a schematic diagram of the thin-layer liquid film thickness measuring device of the present invention. Including: first guide rail support 11, second guide rail support 12, XY axis moving platform 9, displacement sensor 1 (with an accuracy of 1 μm), insulating cylinder 2, high-precision digital display instrument, external DC power supply, multi-channel data recorder, Platinum wire probe, working electrode 5, T-shaped electrode loading platform 7, bottom platform and container 6.

[0032] Wherein, the first guide rail bracket 11 is fixed on the side of the XY-axis moving platform 9, and a strip-shaped iron plate platform 13 is installed on the upper part of the first guide rail bracket 11, and the displacement sensor 1 and the insulating cylinder 2 pass through the above-mentioned first strip-shaped iron plate...

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Abstract

The invention relates to a research device and method for electrochemical corrosion behavior in a spray splash area, including a first guide rail support, a second guide rail support, an XY axis moving platform, a displacement sensor, an insulating cylinder, a high-precision digital display instrument, and a multi-channel data Recorder, platinum wire probe, working electrode, T-shaped electrode loading platform, bottom platform and container; the present invention uses a multi-channel data recorder to simultaneously record the change of displacement and the sudden change when the platinum wire probe contacts the liquid film and the working electrode respectively The voltage ensures the authenticity, accuracy and reliability of the data; the thickness of the thin liquid film can be adjusted by changing the relative position between the working electrode and the liquid surface, so that the thickness of the thin liquid film can be continuously adjusted, so that The corrosion behavior under the thin liquid film in the process of corrosion electrochemical behavior research provides a convenient and effective means; the operation is simple and the precision is high.

Description

technical field [0001] The invention relates to the field of corrosion electrochemical behavior, in particular to a research device and method for corrosion electrochemical behavior under a thin liquid film in a spray splash area. Background technique [0002] Corrosion of metals is a common occurrence in daily life. However, the marine environment is a complex corrosive environment, and seawater is a highly corrosive natural electrolyte in nature. The main feature of marine environment corrosion is that the corrosion rate of metals in the spray splash zone is significantly higher than that in other zones. The surface of the steel facilities in the spray splash area is in an alternating state of dry and wet, the oxygen supply is sufficient, and the average thickness of the liquid film is thin. These factors accelerate the corrosion of the steel facilities. The corrosion rate of metal in the splash zone is closely related to the thickness of the liquid film on the metal sur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/02G01B7/06
Inventor 余秀明黄彦良单亦礼
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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