Device and method for testing local corrosion in deep-sea simulation environments

Abstract

The invention provides a device and a method for testing local corrosion in deep-sea simulation environments, and belongs to the field of simulation test equipment for deep-sea environments. The device comprises a test cabin, a test cabin cover and an electrode assembly. The electrode assembly is based on a three-electrode system and is fixed onto the test cabin cover by the aid of an electrode water-tight connector, the electrode water-tight connector is provided with a wire-wire butt-joint needle bed, a working electrode is an electrode array, the electrode array comprises a plurality of micro-electrodes, and the micro-electrodes are matched with a working electrode water-tight connector; a reference electrode is fixedly connected onto a plug-in cable matched with a reference electrode water-tight connector, and an auxiliary electrode is fixedly connected onto a plug-in cable matched with an auxiliary electrode water-tight connector. The method is based on the device. The device and the method have the advantages that the device is simple in structure, convenient to mount and high in universality, requirements on testing array electrodes in simulation deep-sea high-pressure environments can be met, and-sealing requirements of test environments can be met; the device and the method can be used for research on local corrosion behavior and mechanisms in the deep-sea simulation environments.

Description

technical field [0001] The invention belongs to the technical field of deep-sea environment simulation test equipment, and relates to a deep-sea simulation environment local corrosion test device and a test method thereof. Background technique [0002] The 21st century is the century of the ocean. With the development of science and technology and the continuous deepening of ocean research, more and more deep-sea equipment such as deep-sea platforms and submersibles have been developed and applied. At the same time, corrosion problems of deep-sea equipment materials have also arisen. . The corrosion of materials is often initiated and developed locally. Under the action of huge static pressure in the deep sea, the local corrosion sensitivity of the material will increase, resulting in a large difference between its corrosion behavior and the shallow sea environment. To study the local corrosion of materials in the deep sea environment Behavior has become one of the decisive...

AI Technical Summary

Problems solved by technology

Based on the array electrode technology, the device realizes the research on the local corrosion behavior of materials in simulated deep-sea high-pressure environment, and solves the problem that the electrochemical test of material local corrosion in simulated deep-sea high-pressure environment cannot be performed in the past.

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