Dynamic Recrystallization Behavior in Mn-Cr Gear Steel

被引：0
|
作者：
Bing-xin Wang
Xu-dong Xu
Xiang-hua Liu
Guo-dong Wang
机构：
[1] Liaoning University of Petroleum and Chemical Technology,Department of Mechanical Engineering
[2] Northeastern University,State Key Laboratory of Rolling and Automation
来源：
Journal of Iron and Steel Research International | 2006年 / 13卷
关键词：
gear steel; deformation condition; dynamic recrystallization;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Using a Gleeble 1500 hot simulator, the dynamic recrystallization (DRX) behavior of Mn-Cr type gear steel was investigated. The experimental results show that the Mn-Cr gear steel exhibits a typical DRX behavior at higher deformation temperature, lower strain rate and smaller initial austenite grain size. The DRX takes place under the conditions that Zener-Hollomon parameter (Z) is less than a critical value Zc. The DXR grains are formed by the bulging mechanism. Activation energy and stress exponent were calculated to be 378. 6 kJ · mol−1 and 5. 8 respectively by regression analysis.
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页码：49 / 53
页数：4
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