Dynamic Recrystallization Behavior in Mn-Cr Gear Steel

钢铁研究学报(英文版), 2006, 13(2): 49-53.

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1.Department of Mechanical Engineering, Liaoning University of Petroleum and Chemical Technology, Fushun 113001, Liaoning, China;State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, Liaoning, China

2.State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, Liaoning, China

3.State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, Liaoning, China

4.State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, Liaoning, China

基金项目: 科技部科研项目(G2000067208-4)

Dynamic Recrystallization Behavior in Mn-Cr Gear Steel

Keywords： gear steel

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 tively by regression analysis.

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Dynamic Recrystallization Behavior in Mn-Cr Gear Steel

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