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30Mn27Al4V无磁钢的热变形规律 被引量：2

Research on hot deformation behavior of 30Mn27Al4V non-magnetic steel
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摘要 采用MMS-300热/力模拟实验机,研究30Mn27Al4V无磁钢在变形温度900℃～1150℃、应变速率0.1s-1～10s-1条件下的热变形规律。结果表明,在热变形过程中,当变形温度为1000℃～1150℃、应变速率为0.1s-1～10s-1条件下,实验用钢均发生明显的动态再结晶。确定变形激活能为503.7kJ/mol以及Z参数,得到了30Mn27Al4V无磁钢的高温流变应力本构方程。根据实验数据回归,建立了该钢的高温塑性变形抗力数学模型。 The hot deformation behavior of 30Mn27Al4V non-magnetic steel at the strain rates of 0.1s-1~10s-1 and deformation temperatures of 900℃~1150℃ was studied by MMS-300 thermomechanical simulator.The results show that full dynamic recrystallization occurs at the strain rates of 0.1s-1~10s-1 and deformation temperatures of 1000℃~1150℃.The activation energy of the steel is 503.7kJ/mol for hot deformation.The Zener-Hollomon parameter was obtained.The constitutive equation and mathematic model of deformation resistance were also established.
作者 马彪 韩文龙 李涛 李长生
机构地区 东北大学轧制技术及连轧自动化国家重点实验室
出处 《塑性工程学报》 CAS CSCD 北大核心 2012年第2期66-69,共4页 Journal of Plasticity Engineering
基金 国家自然科学基金资助项目(51174057 50534020)
关键词 无磁钢 热变形 变形抗力模型 本构方程 non-magnetic steel hot deformation deformation resistance model constitutive equation
分类号 TG142.1 [金属学及工艺—金属材料]
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参考文献8

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共引文献5

同被引文献15

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塑性工程学报
2012年 第2期

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