HIGH-SPEED LASER CLADDING - SOLIDIFICATION CONDITIONS AND MICROSTRUCTURE OF A COBALT-BASED ALLOY

被引：71
|
作者：
FRENK, A
KURZ, W
机构：
[1] Department of Materials, Swiss Federal Institute of Technology
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1993年 / 173卷 / 1-2期
关键词：
D O I：
10.1016/0921-5093(93)90240-F
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Laser cladding experiments with a hypoeutectic Stellite 6 alloy have been performed with scanning speeds ranging from conventional values (1.67 mm s(-1)) up to very fast values (167 mm s(-1)). The evolution of the secondary dendrite arm spacing is discussed using the solidification conditions deduced from a two-dimensional heat flux model and the quaternary Co-Cr-C-W phase diagram.
引用
收藏
页码：339 / 342
页数：4
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