对银钨触头的熔焊特性、电弧侵蚀机理以及腐蚀机理进行了探讨。
The fusion welding, arc erosion mechanics and corrosion mechanics of Ag-W contact are also discussed.
研究结果表明：电弧喷涂铝基粉芯丝材制备的涂层具有优良的抗高温氧化和耐腐蚀性能。
The result suggests that the coating of Al-based cored wire prepared by arc spraying has excellent high-temperature oxidation resistance and corrosion resistance.
但是SF_6电气设备中的气体不可避免的含有杂质，在电弧作用下，这些杂质容易与SF_6气体的分解物反应生成毒性物质，从而腐蚀电气设备，降低设备绝缘能力。
Under the arc action, the impurity can easily react with the decomposed product of SF_6, and then produce poison which can corrupt electric equipment, degrade its insulation performance.
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