The Microstructures and Hardness Analysis of a New Hypereutectoid Mn-Cr-Mo-V Steel

Archives of Metallurgy and Materials

R. Dabrowski¹  E. Rozniata¹  R. Dziurka¹ 

[1] Agh University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, al. A. Mickiewicza 30, 30-059 Kraków, Poland

关键词: Keywords : microstructure;    hardness;    quenching;    tempering;    hypereutectoid steel;   

DOI  :  10.2478/amm-2013-0038

学科分类：金属与冶金

来源: Akademia Gorniczo-Hutnicza im. Stanislawa Staszica / University of Mining and Metallurgy

【 摘 要 】

The results of a microstructure and hardness investigations of a new hypereutectoid Mn-Cr-Mo-V steel, imitating by its chemical composition tool steels, are presented in the paper. The microstructure as well hardness changes, caused by austenitising and tempering temperatures were assessed, for samples quenched and sub-quenched in liquid nitrogen, directly after the quenching treatment. Additionally, the influence of the tempering temperature on the volume fraction of the retained austenite was estimated. New hypereutectoid steel, after an appropriate heat treatment obtained the relevant hardness of the tools used in the cold and hot working proces.

【 授权许可】

Unknown