Deformation-Induced Carbide Transformation in M2 High-Speed Steel

被引：13

作者：

Zhou, Xuefeng ^{[1
,2
]}

Zheng, Zhixia ^{[1
]}

Zhang, Weichao ^{[1
]}

Fang, Feng ^{[1
]}

Tu, Yiyou ^{[1
]}

Jiang, Jianqing ^{[3
]}

机构：

[1] Southeast Univ, Sch Mat Sci & Engn, Nanjing 211189, Peoples R China

[2] Southeast Univ, Jiangsu Key Lab Adv Metall Mat, Nanjing 211189, Peoples R China

[3] Nanjing Forestry Univ, Coll Mech & Elect Engn, Nanjing 210037, Peoples R China

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2020年 / 51卷 / 02期

基金：

中国国家自然科学基金;

关键词：

EUTECTIC CARBIDE; DECOMPOSITION; MICROSTRUCTURE; SOLIDIFICATION; SEGREGATION; BEHAVIOR;

D O I：

10.1007/s11661-019-05567-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Deformation-induced carbide transformation (DICT) is first observed in M2 high-speed steel (HSS) wherein deformation enables a lower transformation temperature and enhanced transformation rate of M2C carbide into M6C and MC. Dislocations introduced into M2C by pre-deformation act as nucleation sites of new precipitates and enable an evolution of the transformation pathway from a common interface-nucleation mode to a dislocation-nucleation manner. DICT offers an opportunity to circumvent the carbide-related trade-off between the wear resistance and toughness of M2 HSS.

引用

页码：568 / 573

页数：6

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