| Mg-10Gd-3Y-0.6Zr-1Ag镁合金热压缩变形行为研究 |
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| 引用本文： | 张志强,李佳浩,黄镇,贾征,乐启炽,崔建忠.Mg-10Gd-3Y-0.6Zr-1Ag镁合金热压缩变形行为研究[J].材料科学与工艺,2014,22(6):1-5. |
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| 作者姓名： | 张志强 李佳浩 黄镇 贾征 乐启炽 崔建忠 |
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| 作者单位： | 东北大学 材料电磁过程研究教育部重点实验室,沈阳,110819 |
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| 基金项目： | 国家重点基础研究发展规划资助项目(2013CB632203)；辽宁省高等学校优秀人才支持计划资助项目(LJQ2012023)；辽宁省自然科学基金资助项目(201202072)；中央高校基本科研业务费专项资金资助项目(N120509002). |
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| 摘 要： | 为了考察Mg-10Gd-3Y-0.6Zr-1Ag镁合金在不同条件下的变形行为,采用Gleeble2000热模拟机对该合金进行研究,分析了该合金在变形温度350~500℃,应变速率0.001~1 s-1条件下流变应力的变化规律.研究结果表明:变形温度和应变速率对流变应力有显著的影响,流变应力随变形温度的升高和应变速率的降低而降低;在应变速率相同的情况下,合金在较高温度下变形时,流变应力随应变量的增加达到峰值后,基本呈稳态流变特征;采用双曲正弦模型计算出该合金的变形激活能和应力指数,建立了该合金相应的热变形本构关系.
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| 关 键 词： | 稀土镁合金 热压缩变形 变形激活能 本构关系 流变应力 |
| 收稿时间： | 2013/12/4 0:00:00 |
Hot compression deformation behavior of the Mg-10Gd-3Y-0.6Zr-1Ag magnesium alloy |
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| ZHANG Zhiqiang,LI Jiahao,HUANG Zhen,JIA Zheng,LE Qichi and CUI Jianzhong.Hot compression deformation behavior of the Mg-10Gd-3Y-0.6Zr-1Ag magnesium alloy[J].Materials Science and Technology,2014,22(6):1-5. |
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| Authors: | ZHANG Zhiqiang LI Jiahao HUANG Zhen JIA Zheng LE Qichi and CUI Jianzhong |
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| Affiliation: | The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, China;The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, China;The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, China;The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, China;The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, China;The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, China |
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| Abstract: | |
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| Keywords: | rare earth magnesium alloy hot compression deformation behavior deformation activation constitutive relationship flow stress |
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