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


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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.

作者简介

A. Chaus

Faculty of Materials Science and Technology, Slovak University of Technology

编辑信件的主要联系方式.
Email: alexander.chaus@stuba.sk
斯洛伐克, Trnava, 917 25

A. Maksimenko

Francisk Skorina Gomel State University

Email: alexander.chaus@stuba.sk
白俄罗斯, Gomel, 246019

N. Fedosenko

Francisk Skorina Gomel State University

Email: alexander.chaus@stuba.sk
白俄罗斯, Gomel, 246019

Ľ. Čaplovič

Faculty of Materials Science and Technology, Slovak University of Technology

Email: alexander.chaus@stuba.sk
斯洛伐克, Trnava, 917 25

V. Myshkovets

Francisk Skorina Gomel State University

Email: alexander.chaus@stuba.sk
白俄罗斯, Gomel, 246019

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