| 铸态50Cr5MoV钢的动态再结晶行为分析 |
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| 引用本文： | 王耀琨,杜佳,陈阳,李钊库. 铸态50Cr5MoV钢的动态再结晶行为分析[J]. 大型铸锻件, 2017, 0(1) |
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| 作者姓名： | 王耀琨 杜佳 陈阳 李钊库 |
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| 作者单位： | 中冶陕压重工设备有限公司,陕西,711711 |
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| 摘 要： | 采用Gleeble-3800热模拟实验机对铸态50Cr5MoV钢进行热压缩实验,研究其在变形温度为900℃、950℃、1 000℃、1 050℃、1 100℃和应变速率为0.01 s-1、0.1 s-1、1 s-1条件下的动态再结晶行为。结果表明:铸态50Cr5MoV钢在热变形过程中发生了动态再结晶,且随着应变速率的降低以及变形温度的升高,动态再结晶越容易发生。
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| 关 键 词： | 铸态50Cr5MoV钢 动态再结晶 本构方程 临界应变模型 |
Analysis of Dynamic Recrystallization Behaviour of As-cast 50Cr5MoV Steel |
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| Wang Yaokun,Du Jia,Chen Yang,Li Zhaoku. Analysis of Dynamic Recrystallization Behaviour of As-cast 50Cr5MoV Steel[J]. Heavy Casting and Forging, 2017, 0(1) |
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| Authors: | Wang Yaokun Du Jia Chen Yang Li Zhaoku |
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| Abstract: | By using Gleeble-3800 thermomechanical simulator , the hot compression test for as-cast 50Cr5MoV steel has been carried out .Under conditions of the deformation temperature of 900℃, 950℃, 1 000℃, 1 050℃and 1 100℃and the strain rate of 0.01 s-1 , 0.1 s-1 , 1 s-1 , the dynamic recrystallization behaviour of steel has been studied.The results show that the dynamic recrystallization appears during the hot deformation process of as -cast 50Cr5MoV steel.And the dynamic recrystallization is more likely to appear along with the reducing of the strain rate and the increasing of the deformation temperature . |
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| Keywords: | as-cast 50Cr5MoV steel dynamic recrystallization constitutive equation critical strain model |
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