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An in-situ detection device for deep-sea organic coating properties based on embedded microelectrodes

An organic coating, in-situ detection technology, applied in measuring devices, material analysis by electromagnetic means, instruments, etc., to achieve the effect of ensuring accuracy and uniform distribution

Active Publication Date: 2019-04-26
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of in-situ monitoring and detection of the performance of thick-film coatings or multi-coating systems, and specially provides an in-situ detection device for the performance of deep-sea organic coatings based on embedded microelectrodes

Method used

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  • An in-situ detection device for deep-sea organic coating properties based on embedded microelectrodes
  • An in-situ detection device for deep-sea organic coating properties based on embedded microelectrodes
  • An in-situ detection device for deep-sea organic coating properties based on embedded microelectrodes

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Embodiment 1

[0025] This embodiment provides a deep-sea organic coating performance in-situ detection device based on pre-embedded microelectrodes, characterized in that the performance in-situ detection device includes microelectrodes, organic coating / metal matrix systems, Measuring electrolytic cell and portable electrochemical workstation;

[0026] The microelectrode is pre-implanted inside the coating in the organic coating / metal matrix system. The electrolytic cell for in-situ measurement is pressed tightly on the coating surface and sealed by a sealing rubber ring. The metal matrix, microelectrodes and external electrodes pass through their respective leads. They are respectively connected to the corresponding electrode interface of the portable electrochemical workstation.

[0027] The micro-electrodes include: ring-shaped sensors, lead joints, electrode leads and epoxy resin for encapsulation.

[0028] The ring-shaped sensor and the lead connector are filamentous, and their materi...

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Abstract

The invention discloses an embedded microelectrode-based deep sea organic coating performance in-situ detection device. The device comprises a microelectrode, an organic coating / metal base system, an in-situ measurement electrolytic tank and a portable electrochemical workstation. A microelectrode is embedded into a coating of the organic coating / metal base system, the in-situ measurement electrolytic tank tightly presses the coating surface, a seal rubber ring realizes sealing and a metal base, the microelectrode and an external electrode are respectively connected to corresponding electrode interfaces of the portable electrochemical workstation through corresponding lead wires. Microelectrode embedding realizes thick film coating effective in-situ performance detection, does not produce obvious influence on coating protection performances, guarantees electrochemical testing result accuracy, realizes special fixing and protection of a microelectrode lead wire joint and prevents damage under deep sea high pressure or other extraneous environments.

Description

technical field [0001] The invention relates to a coating performance detection device in the field of organic protective coatings in deep-sea environments, in particular to an in-situ detection device for deep-sea organic coating performance based on pre-embedded microelectrodes. Background technique [0002] Organic protective coating is one of the important means of metal protection in deep sea environment. The monitoring of coating protection performance is of great significance in coating life prediction, coating maintenance and safety protection. The traditional organic coating laboratory evaluation method mainly evaluates the coating failure by measuring the apparent performance parameters of the coating, and the evaluation results often lag behind the real failure process of the coating, or are inconsistent with the field observation results. [0003] Therefore, in-situ, real-time coating monitoring based on electrochemical measurements is the best way to evaluate c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/416
Inventor 刘莉孟凡帝李瑛田文亮
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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