Arrhenius-Type Constitutive Model and Dynamic Recrystallization Behavior of 20Cr2Ni4A Alloy Carburizing Steel

被引：18
作者：
Wang, Wei [1 ]
Zhao, Jun [1 ]
Zhai, Rui Xue [1 ]
Ma, Rui [1 ]
机构：
[1] Yanshan Univ, Key Lab Adv Forging & Stamping Technol & Sci, Minist Educ China, Qinhuangdao 066004, Peoples R China
来源：
STEEL RESEARCH INTERNATIONAL | 2017年 / 88卷 / 03期
关键词：
20Cr2Ni4A steel; deformation behavior; constitutive model; dynamic recrystallization; MG-3GD-1ZN MAGNESIUM ALLOY; CARBON MICROALLOYED STEEL; HOT DEFORMATION; FLOW-STRESS; STRAIN-RATE; TEMPERATURE; KINETICS; MECHANISMS; INITIATION;
D O I：
10.1002/srin.201600196
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
20Cr2Ni4A steel is a kind of representative high-strength alloy carburizing steel with excellent comprehensive mechanical performance, especially it is known for its prominent hardenability and obdurability. The compression tests of 20Cr2Ni4A steel are implemented on a Gleeble-3500 thermal simulation machine at different deformation temperatures of 1073.15, 1173.15, and 1273.15 K, with strain rates of 0.001, 0.01, 0.1, and 1 s(-1). The Arrhenius-type constitutive equation and Zener-Hollomon parameter are determined to describe the deformation behavior of 20Cr2Ni4A steel. The kinetic and kinematic models of dynamic recrystallization are deduced to describe the dynamic recrystallization behavior of 20Cr2Ni4A steel, the dynamic recrystallization grain size model of 20Cr2Ni4A steel is also constructed.
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页数：9
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