Experimental and Modeling Study on Austenitizing Process of GCr15 Steel

被引：0
|
作者：
Wang, Hui [1 ]
Su, Fuyong [1 ]
Wen, Zhi [2 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Energy & Environm Engn, 30 Xueyuan Rd, Beijing 100083, Peoples R China
[2] Beijing Key Lab Energy Conservat & Emiss Reduct Me, 30 Xueyuan Rd, Beijing 100083, Peoples R China
来源：
MATERIALS PERFORMANCE AND CHARACTERIZATION | 2023年 / 12卷 / 01期
基金：
中国国家自然科学基金;
关键词：
austenitizing process; dilatometry; GCr15; steel; austenizing model; DIFFUSION-CONTROLLED GROWTH; LOW-CARBON STEEL; PEARLITE; FERRITE; TRANSFORMATION; PARAMETERS; KINETICS; REAUSTENITIZATION; MICROSTRUCTURE; NUCLEATION;
D O I：
10.1520/MPC20230011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The austenitizing process of pearlite during homogenization heat treatment of GCr15 bearing steel was studied using dilatometry. A detailed study was conducted on the relationship between the volume fraction of ferrite, cementite, austenite, and residual cementite during the phase transformation process and the changes in heating temperature and heating rate. An austenizing model for the transformation of pearlite to austenite during homogenization heat treatment was proposed. The interfacial concentration, phase equilibrium, free energy of transformation, and eutectoid temperature between austenite and pearlite were calculated by Thermo-Calc software. The experimental phenomenon of the transition from pearlite to austenite during homogenizing heat treatment was theoretically explained.
引用
收藏
页码：211 / 223
页数：14
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