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首页> 外文期刊>Journal of engineering materials and technology >Heat Treatment of Metal Surfaces by a Conformal Electron Beam
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Heat Treatment of Metal Surfaces by a Conformal Electron Beam

机译:保形电子束对金属表面的热处理

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摘要

The electron beam formed between a conformal plasma cathode and a metal workpiece can be used to heat treat the workpicece. Analyses of the electron energy deposition profiles, heat conduction rates, and austinitizing rates show that it is possible to heat the entire surface of an object to a depth of ~1 mm within microseconds, to hold the tem- perature above the austinitizing critical point in the near-surface volume without melting the surface for milliseconds, and to self-quench rapidly. This leads to the prospect of surface hardening of metals by a conformal electron beam.
机译:在保形等离子体阴极和金属工件之间形成的电子束可用于对工件进行热处理。对电子能量沉积曲线,热传导率和奥氏体化速率的分析表明,有可能在微秒内将物体的整个表面加热到约1mm的深度,以将温度保持在奥氏体化临界点以上。近表面体积不会在几秒钟内融化表面,并且会快速自我淬灭。这导致通过保形电子束使金属表面硬化的前景。

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