大气等离子喷涂WC和Cr2C3基涂层

被引：4

作者：

W.Tillmann

E.Vogli

B.Krebs

A.Ferreira da Cunha

程江波

机构：

[1] 多特蒙德工业大学材料工程学院

来源：

中国表面工程 | 2008年 / 02期

关键词：

摩擦学; 形态; 等离子喷涂; 硬质涂层; 电流;

D O I：

暂无

中图分类号：

TG174.44 [金属复层保护];

学科分类号：

摘要：

等离子喷涂技术能有效延长工件的服役寿命,具有重要的工程应用价值。主要研究了喷涂电流对涂层性能的影响,并观察了涂层的组织形貌,测试了摩擦学特性。结果表明,WC基涂层与Cr2C3基涂层相比具有更高的硬度和更低的摩擦因数。当喷涂电流在500～600A变化时,两种材料的涂层硬度相当;但是当喷涂电流为450A,WC–12Co涂层呈现出最高硬度。随着电流的变化,Cr2C310(Ni20Cr)涂层的摩擦因数变化不大;当电流为600A时,WC基涂层的摩擦因数最小。

引用

页码：1 / 6

页数：6

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