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.

引用

页码：269 / 277

页数：9

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