Formation of Structure of a High-Speed Steel upon Laser Surface Melting

被引：10
|
作者：
Chaus, A. S. [1 ]
Maksimenko, A., V [2 ]
Fedosenko, N. N. [2 ]
Caplovic, E. [1 ]
Myshkovets, V. N. [2 ]
机构：
[1] Slovak Univ Technol, Fac Mat Sci & Technol, Trnava 91725, Slovakia
[2] Francisk Skorina Gomel State Univ, Gomel 246019, BELARUS
来源：
PHYSICS OF METALS AND METALLOGRAPHY | 2019年 / 120卷 / 03期
关键词：
high-speed steel; laser remelting; microstructure; microhardness; HEAT-TREATMENT; WEAR BEHAVIOR; MICROSTRUCTURE; FILMS;
D O I：
10.1134/S0031918X19030049
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effect of time and energy parameters of the pulsed laser treatment on the structure formation and hardness of high-speed steel upon surface melting after complete heat treatment has been studied. The results of the metallographic analysis and energy-dispersive X-ray spectroscopy of the steel, as well as of the microhardness measurements, have been discussed. It has been shown that the laser-induced remelting causes a significant refinement of both the dendritic structure of the solid solution and of the carbide constituent of the high-speed steel. The structure of the laser-affected zone and the morphology of dendrites depend on the laser treatment regimes.
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页码：269 / 277
页数：9
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