Influence of the deposition techniques on the mechanical properties and microstructure of NiCrBSi coatings

被引：85
|
作者：
Gomez-del Rio, T. [1 ]
Garrido, M. A. [1 ]
Fernandez, J. E. [2 ]
Cadenas, M. [2 ]
Rodriguez, J. [1 ]
机构：
[1] Rey Juan Carlos Univ, Dept Mat Sci & Engn, Madrid 28933, Spain
[2] Univ Oviedo, Dept Mech & Civil Engn, Gijon 33204, Spain
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2008年 / 204卷 / 1-3期
关键词：
NiCrBSi; indentation; spray deposition techniques; mechanical properties; microstructure;
D O I：
10.1016/j.jmatprotec.2007.11.042
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of processing conditions on microstructure and mechanical properties of NiCrBSi coatings deposited on a steel substrate has been studied. Three different techniques were used: laser cladding, flame sprayed combined with surface flame treatment and flame sprayed combined with laser treatment. The microstructure of the coatings was determined by scanning electron microscopy (SEM) and energy dispersive X-ray microanalysis (EDX). Similar phases were observed in the three coatings, but their morphology and distribution were dependent on the deposition technique. Wear and indentation tests have also been carried out. Laser cladded coatings exhibit the higher hardness and the smaller wear rate. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：304 / 312
页数：9
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