Laser cladding of Ni- and Co-based coatings for turbine industry applications

被引：3
|
作者：
Jendrzejewski, R [1 ]
Sliwinski, G [1 ]
Conde, A [1 ]
de Damborenea, JJ [1 ]
机构：
[1] Polish Acad Sci, Inst Fluid Flow Machinery, PL-80952 Gdansk, Poland
来源：
LASER TECHNOLOGY VII: APPLICATIONS OF LASERS | 2003年 / 5229卷
关键词：
laser cladding; protective coatings; cobalt-based powders; nickel-based powders;
D O I：
10.1117/12.520723
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Laser cladding by means of direct remelting of alloy powders Stellite SF6 and Metco 16C was applied for production of protective coatings on chromium steel substrates of composition close to that of the gas turbine blades which operate in extremely aggressive environment. For sample preparation a 1.2 kW cw CO2 laser with powder jet coaxial to the laser beam was used. Compared to previous experiments the controlled preheating of substrate at temperatures around 500-720degreesC was applied and resulted in crack-free coatings.
引用
收藏
页码：233 / 238
页数：6
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