Mechanisms and processing limits of surface finish using laser-thermochemical polishing
Mechanisms and processing limits of surface finish using laser-thermochemical polishing
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DOI：
10.1016/j.cirp.2018.04.098
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发表时间：
2018-01-01
影响因子：
4.1
通讯作者：
Vollertsen, Frank
中科院分区：
文献类型：
--
作者：
Eckert, Sandro;Vollertsen, Frank
激光热化学加工可以控制金属工件的材料去除，以获得美观或功能化的结构。这项工作涉及的问题是，为什么会出现平滑效应，其背后的机制是什么？结果表明，表面平滑是基于优选的材料去除粗糙度峰而不是谷，以及与表面质量有关的微观结构限制。这可能不是由一种单一的机制引起的，而是由电、热和物理化学机制共同引起的。这些效应可用于可控和选择性表面抛光。(C) 2018年Elsevier Ltd代表CIRP出版。
Laser thermochemical machining allows a controlled material removal of metallic workpieces for an aesthetic or functionalized structuring. This work deals with the question, why does a smoothing effect occurs and what are the mechanisms behind it? The results show, that the surface smoothing is based on the preferred material removal of the roughness peaks compared to the valleys, as well as microstructure related limits of the surface quality. This might be caused not by one single, but a combination of electrical, thermal and physicochemical mechanisms. These effects can be used for the controlled and selective surface polishing. (C) 2018 Published by Elsevier Ltd on behalf of CIRP.