Laser cladding of wear resistant metal matrix composite coatings

被引：52
|
作者：
Yakovlev, A [1 ]
Bertrand, P [1 ]
Smurov, I [1 ]
机构：
[1] DIPI, ENISE, F-42023 St Etienne, France
来源：
THIN SOLID FILMS | 2004年 / 453卷
关键词：
laser cladding; metal matrix composite; coaxial nozzle; dry friction; solid lubricant;
D O I：
10.1016/j.tsf.2003.11.085
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A number of coatings with wear-resistant properties as well as with a low friction coefficient are produced by laser cladding The structure of these coatings is determined by required performance and realized as metal matrix composite (MMC), where solid lubricant serves as a ductile matrix (e.g. CuSn), reinforced by appropriate ceramic phase (e.g. WC/Co). One of the engineered coating, with functionally graded material (FGM) structure has a dry friction coefficient 0.12. Coatings were produced by coaxial injection of powder blend into the zone of laser beam action. Metallographic and tribological examinations were carried out confirming the advanced performance of engineered coatings. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：133 / 138
页数：6
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