Influence of work function variation on metal surface cleianing by vacuum arc discharge

M. Sugimoto, K. Takeda
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Abstract

Cleaning by vacuum arc discharge was applied to the descaling of a stainless-steel plate surface. The surface of the stainless steel becomes rough after treatment because the surface melts and fixes at the same time as the scale is removed by the discharge. Recent experimental results indicate that application of chemical agents to the scale before treatment leads to a smoother surface. Measurement of the scale surface with a Kelvin probe revealed that coating with chemical agents affected the work function.
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功函数变化对真空电弧清理金属表面的影响
采用真空电弧放电法对不锈钢板表面除垢进行了研究。处理后的不锈钢表面变得粗糙,因为表面融化和固定的同时,水垢被排出。最近的实验结果表明,在处理前在水垢上应用化学药剂可以使表面更光滑。用开尔文探针测量了水垢表面,发现化学试剂的涂覆影响了水垢的功函数。
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