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Aviation Connector manufacturers explain the reasons for the insulation failure of Aviation Connector
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Aviation connector
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Release time:
2022-07-18
The high temperature test was carried out on the failed and normal parts of the Aviation Connector, and the samples after high temperature cooling were tested for insulation. The results show that the faulty product contains a certain amount of moisture in the Aviation Connector. At the same time, the presence of water and high temperature will reduce the Aviation Connector's performance insulation resistance.
Then the disassembly experiment of the Aviation Connector faulty product found that the remaining internal insulation components of the Aviation Connector had light blue corrosion, a layer of metal film, and the insulation resistance test of the dismantling encapsulation adhesive before and after the failure of the Aviation Connector. The insulation is qualified, and the insulation resistance of the encapsulation glue is normal.
Aviation ConnectorEDS test of all metal parts, the results show that the surface of the metal parts of the metal strip is silver-plated copper-zinc alloy, and other metal parts have no copper-zinc-silver raw materials, light blue corrosion, and migration of the silver film is metal-to-metal Contact with a component, the insulation of all components, the infrared analysis results show that the insulation components are polyester, silica gel, PVC (encapsulant), respectively, the encapsulant and normal packaged degummed products are used for ion chromatographic analysis, the results show that the chloride ion The content of the failed product packaging glue is 1.8 times that of the normal product, and the presence of chloride ions in a humid environment will greatly promote the corrosion of metal parts and the formation of ionic conduction paths.
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