Development of significantly hard hypereutectoid plain carbon steel through incomplete austenitization based cyclic quenching treatment

被引：0
|
作者：
Maity, J. [1 ]
Dastidar, M. G. [1 ]
Mandal, S. [1 ]
Sharma, S. [1 ]
Chaudhary, S. K. [1 ]
Saha, A. [2 ]
机构：
[1] Natl Inst Technol Durgapur, Dept Met & Mat Engn, Durgapur 713209, West Bengal, India
[2] CSIR Cent Mech Engn Res Inst, Ind Serv & Res Grp, Durgapur, West Bengal, India
来源：
MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK | 2024年 / 55卷 / 11期
关键词：
cementite; cyclic quenching; hardness; hypereutectoid steel; martensite; H & auml; rte; Hypereutektoider Stahl; Martensit; Zementit; zyklische Abschreckung; HEAT-TREATMENT;
D O I：
10.1002/mawe.202400076
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this investigation hot rolled steel bars of 1.24 weight % carbon steel are subjected to incomplete austenitization based cyclic quenching treatment. Each cycle consists of inserting the specimen in an electric resistance furnace at a temperature of 894 degrees C and holding for a short duration (6 minutes), followed by oil quenching to the room temperature. Such a typical thermal cycling results in the evolution of a novel microstructure that comprises of large clusters and blocks of cementite in a matrix of martensite after 3 and 4 cycles. Accordingly, a significantly high hardness (7.13 GPa) is achieved on execution of 3 cycles which envisages a new pathway of incomplete austenitization based cyclic quenching treatment for development of new-generation plain carbon hypereutectoid tool steel.
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收藏
页码：1519 / 1528
页数：10
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