| 2026铝合金热变形行为的研究 |
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| 引用本文： | 朱剑军,黄蓉,唐文杰,李剑.2026铝合金热变形行为的研究[J].湖南有色金属,2011,27(2):31-34,76. |
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| 作者姓名： | 朱剑军 黄蓉 唐文杰 李剑 |
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| 作者单位： | 湖南稀土金属材料研究院,湖南,长沙,410126 |
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| 摘 要： | 在Cleeble-1500热/力模拟机上对2026合金进行了热压缩试验,研究了其在温度300～450℃和应变速率0.01～10 s-1条件下的热变形行为.结果表明:热变形过程中的流变应力可以很好用双曲正弦本构关系来描述,通过优化α值,可以更精确地得到该合金的表观激活能为230.51kJ/mo1.根据材料动态模型,计算并...
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| 关 键 词： | 2026合金 流变应力 本构关系 加工图 |
Study on 2026 Aluminum Alloy Hot Deformation Behavior |
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| ZHU Jian-jun,HUANG Rong,TANG Wen-jie,LI Jian.Study on 2026 Aluminum Alloy Hot Deformation Behavior[J].Hunan Nonferrous Metals,2011,27(2):31-34,76. |
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| Authors: | ZHU Jian-jun HUANG Rong TANG Wen-jie LI Jian |
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| Affiliation: | (Hunan Research Institute of Rare Earth Materials,Changsha 410126,China) |
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| Abstract: | Gleeble-1500 thermal/mechanical simulator 2026 alloy on the hot compression tests were studied in the temperature 300～450 ℃ and strain rate of 0.01～10 s-1 under the conditions of hot deformation behavior.The results show that：during the hot deformation,the flow stress can be well described by the hyperbolic sine constitutive,by optimizing the value of α,it can be obtained more accurately the apparent activation energy of the alloy which is 230.51 kJ/mol.According to the dynamic materials model,it calculated and analyzed the processing of alloy 2026 figure with the use of hot deformation processing maps,it identified areas of flow instability,and the alloy in the thermal processing temperature 450 ℃,strain rate of 0.01 s-1 had the optimal processing ability. |
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| Keywords: | 2026 alloy flow stress constitutive processing maps |
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