Increasing Solidification Rate of M2 High-Speed Steel Ingot by Fusible Metal Mold

被引：0
|
作者：
Yan-Liang Ji
Wei Zhang
Xiao-Yang Chen
Jian-Guo Li
机构：
[1] Shanghai Jiao Tong University,School of Materials Science and Engineering
来源：
Acta Metallurgica Sinica (English Letters) | 2016年 / 29卷
关键词：
Carbide; Cooling rate; Solidification process; Microstructure; Dendritic spacing;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
As one of the most popular used high-speed steels, M2 possesses excellent hardness and toughness as cutting tools. Networks of eutectic carbides distributing in the inter-dendritic region are academically considered to be the typical microstructure of M2, which can be refined by increasing cooling rate. In this paper, a novel casting method named fusible metal mold (FMM) is employed to refine the microstructure of M2 high-speed steel. Results show that FMM casting method can improve cooling rate by 100% without any contamination of the melts’ composition.
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页码：382 / 387
页数：5
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