| 23Co13Ni11Cr3Mo超高强钢的高温变形行为 |
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| 引用本文： | 黄始全,易幼平,李蓬川. 23Co13Ni11Cr3Mo超高强钢的高温变形行为[J]. 材料研究学报, 2011, 0(3): 283-288 |
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| 作者姓名： | 黄始全 易幼平 李蓬川 |
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| 作者单位： | 中南大学机电工程学院;中国第二重型机械集团公司; |
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| 基金项目： | 国家九七三计划资助项目2011CB706802; 国家重大专项资助项目2009ZX04005-011~~ |
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| 摘 要： | 在Glreeble 1500热模拟机上进行大变形等温压缩实验,研究了23Co13Ni11Cr3Mo钢的高温变形行为.结果表明:流变应力随着变形温度的降低和应变速率的升高而增大,在高温、低应变速率下动态再结晶软化效应显著,在温度为1000℃、应变速率为0.001 s-1时流变应力下降29.6％.23Co13Ni11Cr3...
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| 关 键 词： | 金属材料 超高强钢 23Co13Ni11Cr3Mo 动态再结晶 晶粒尺寸 |
High Temperature Deformation Behavior of 23Co13Ni11Cr3Mo Ultrahigh Strength Steel |
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| HUANG Shiquan YI Youping LI Pengchuan .School of Mechanical , Electrical Engineering,Central South University,Changsha .China National Erzhong Group Co.,Deyang. High Temperature Deformation Behavior of 23Co13Ni11Cr3Mo Ultrahigh Strength Steel[J]. Chinese Journal of Materials Research, 2011, 0(3): 283-288 |
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| Authors: | HUANG Shiquan YI Youping LI Pengchuan .School of Mechanical Electrical Engineering Central South University Changsha .China National Erzhong Group Co. Deyang |
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| Affiliation: | HUANG Shiquan~1 YI Youping~(1**) LI Pengchuan~2 1.School of Mechanical and Electrical Engineering,Central South University,Changsha 410083 2.China National Erzhong Group Co.,Deyang 618000 |
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| Abstract: | High strain isothermal compression tests were carried out in Gleeble 1500 to study high temperature deformation behavior of 23Co13Ni11Cr3Mo ultrahigh strength steel.The results show that flow stress decreases with temperature increasing,while increases with strain rate increasing.DRX softening played an important role at high temperature and low strain rate.Flow stress decreased about 29.6%from peak stress at 1000℃and 0.001 s-1.The 23Co13Ni11Cr3Mo ultrahigh strength steel is suit to forge at 1000-1100℃and strain rate 0.01-1 s-1.At these deformation conditions,sufficiect DRX occurred,grain size was small and changed little with temperature or strain rate increasing.Moreover, based on the experiment results,peak stress and steady grain size model were established.The predicted values of this model agreed well with the experiment values. |
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| Keywords: | metallic ultrahigh strength steel 23Co13Ni11Cr3Mo dynamic recrystallization grain size |
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