Development of the chromium-rich high-speed steel: As-cast microstructure

被引：1
|
作者：
Chaus A.S. [1 ]
Sahul M. [1 ]
Sobota R. [1 ]
机构：
[1] Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, J. Bottu 25, Trnava
来源：
Defect and Diffusion Forum | 2020年 / 400卷
关键词：
Alloying scheme; Chromium; High-speed steel; Microstructure;
D O I：
10.4028/www.scientific.net/DDF.400.59
中图分类号：
学科分类号：
摘要：
The present study has been undertaken to replace W by Cr in as-cast HSSs using B as alloying element. For this reason, a special alloying system was suggested. The basic steel containing approximately 12 wt. % of Cr was alloyed with B, V, V and Mo in different proportions. The microstructure of the steels was studied using electron microscopy, X-ray diffraction, and energy dispersive X-ray analysis. It was shown that the matrix structure, as well as the origin and morphology of the carbides or carboborides formed during solidification greatly depended on the alloy chemical composition. © 2020 Trans Tech Publications Ltd, Switzerland.
引用
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页码：59 / 64
页数：5
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