Microstructure and properties of laser treated arc sprayed and plasma sprayed coatings

被引：12
|
作者：
Pokhmurska, A
Ciach, R
机构：
[1] Inst Appl Problems Mech & Math, UA-290601 Lviv, Ukraine
[2] Inst Met & Mat Sci, PL-30059 Krakow, Poland
来源：
SURFACE & COATINGS TECHNOLOGY | 2000年 / 125卷 / 1-3期
关键词：
arc spraying; electrochemical properties; laser treatment; microhardness; plasma spraying; protecting coating;
D O I：
10.1016/S0257-8972(99)00614-3
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of laser melting on the microstructure, porosity, chemical homogeneity of nickel based alloy plasma sprayed and (Fe-Cr-B) + Al based electric are sprayed coatings has been investigated. Laser melting markedly improves coating microstructure and density, and much better chemical homogeneity is obtained. Laser treatment of coatings was carried out with the help of a CW CO2 laser (lambda = 10.6 mu m) using the graphite based antireflection coating. The results demonstrate an improvement of mechanical and corrosion properties of coatings. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：415 / 418
页数：4
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