Characterisation of TiC layers deposited using an electrical discharge coating process

Characterisation of TiC layers deposited using an electrical discharge coating process
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使用放电涂层工艺沉积的 TiC 层的表征

DOI:
10.1088/1742-6596/644/1/012008
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发表时间:
2015
期刊:
Conference Series
影响因子:
--
通讯作者:
Algodi S
Algodi S
中科院分区:
--
文献类型:
--
作者:
Algodi S

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放电加工(EDM)是一种非传统的高精度加工工艺,用于制造复杂形状,无论工件的硬度如何。有兴趣开发的EDM技术涂层或表面改性,通过使用粉末冶金(PM)工具电极和/或添加的粉末悬浮在介电流体。我们报告的电火花沉积TiC涂层到不锈钢上,使用铜或TiC电极,有和没有Ti粉在工作油。EDM处理的层表现出的硬度值比基材高1.3 -4倍,强调EDM赋予奥氏体不锈钢表面改进的机械性能的能力。
Electrical discharge machining (EDM) is a non-conventional, high-accuracy machining process for the manufacture of complex shapes, regardless of hardness of the workpiece. There is interest to develop the EDM technique for coating or surface modification by using a powder metallurgy (PM) tool electrode and/or added powder suspended within the dielectric fluid. We report on the EDM deposition of TiC coatings onto stainless steel, using either Cu or TiC electrodes, with and without Ti powder in the working oil. EDM processed layers exhibited hardness values∼ 3-4 times higher than the substrate, emphasising the ability of EDM to impart improved mechanical performance to the surface of austenitic stainless steel.
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