| AZ91D半固态坯料的等温压缩变形研究 |
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| 引用本文： | 曹富荣,管仁国,邢振环. AZ91D半固态坯料的等温压缩变形研究[J]. 东北大学学报(自然科学版), 2011, 32(3): 392-395. DOI: - |
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| 作者姓名： | 曹富荣 管仁国 邢振环 |
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| 作者单位： | 东北大学,材料与冶金学院,辽宁,沈阳,110819;东北大学,材料与冶金学院,辽宁,沈阳,110819;东北大学,材料与冶金学院,辽宁,沈阳,110819 |
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| 基金项目： | 国家自然科学基金资助项目(50974038,51034002); 中央高校基本科研业务费专项资金资助项目(N090502003) |
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| 摘 要： | 采用自行设计的波浪型倾斜板装置制备了AZ91D半固态坯料.利用Gleeblel500热模拟实验机和光学显微镜对AZ91D半固态坯料等温压缩变形力学行为和组织演变进行了研究.结果表明:在变形温度相同的情况下,随应变速率的增加,真应力增大;随变形速率的降低,真应力减小;在应变速率相同的情况下,随变形温度的增加,真应力减小....
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| 关 键 词： | AZ91D 半固态 等温压缩变形 真应力 真应变 |
Isothermal Compression Deformation of AZ91D Semisolid Billets |
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| CAO Fu-rong,GUAN Ren-guo,XING Zhen-huan. Isothermal Compression Deformation of AZ91D Semisolid Billets[J]. Journal of Northeastern University(Natural Science), 2011, 32(3): 392-395. DOI: - |
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| Authors: | CAO Fu-rong GUAN Ren-guo XING Zhen-huan |
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| Affiliation: | CAO Fu-rong,GUAN Ren-guo,XING Zhen-huan(School of Materials & Metallurgy,Northeastern University,Shenyang 110819,China.) |
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| Abstract: | AZ91D semisolid billets were prepared by a self-designed wavelike sloping plate device.Mechanical behavior and microstructure evolution of isothermal compression deformation in AZ91D semisolid billets have been studied using a Gleeble1500 thermal simulation machine and optical microscopy.When deformation temperature was constant,true stress increased with increasing strain rate;when strain rate was constant,true stress decreased with increasing deformation temperature.The deformation mechanisms of AZ91D all... |
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| Keywords: | AZ91D alloy semisolid isothermal compression deformation true stress true strain |
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