| DISLOCATION BEHAVIOR IN THE SUPERPLASTIC DEFORMATION OF ALLOY Al-Li 2091 |
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| 引用本文： | Zeng Meiguang,Wu Qiuyun,Zhang Baojin,Zhang Caibei,Cui Jianzhong(P.O.Box 104,Northeastern University,Shenyang 110006). DISLOCATION BEHAVIOR IN THE SUPERPLASTIC DEFORMATION OF ALLOY Al-Li 2091[J]. 中国有色金属学会会刊, 1995, 0(4) |
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| 作者姓名： | Zeng Meiguang Wu Qiuyun Zhang Baojin Zhang Caibei Cui Jianzhong(P.O.Box 104 Northeastern University Shenyang 110006) |
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| 作者单位： | P.O.Box 104，Northeastern University，Shenyang 110006 |
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| 摘 要： | ＤＩＳＬＯＣＡＴＩＯＮＢＥＨＡＶＩＯＲＩＮＴＨＥＳＵＰＥＲＰＬＡＳＴＩＣＤＥＦＯＲＭＡＴＩＯＮＯＦＡＬＬＯＹＡｌ－Ｌｉ２０９１ＺｅｎｇＭｅｉｇｕａｎｇ；ＷｕＱｉｕｙｕｎ；ＺｈａｎｇＢａｏｊｉｎ；ＺｈａｎｇＣａｉｂｅｉ；ＣｕｉＪｉａｎｚｈｏｎｇ（Ｐ．Ｏ...
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DISLOCATION BEHAVIOR IN THE SUPERPLASTIC DEFORMATION OF ALLOY Al-Li 2091 |
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| Zeng Meiguang,Wu Qiuyun,Zhang Baojin,Zhang Caibei,Cui Jianzhong. DISLOCATION BEHAVIOR IN THE SUPERPLASTIC DEFORMATION OF ALLOY Al-Li 2091[J]. Transactions of Nonferrous Metals Society of China, 1995, 0(4) |
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| Authors: | Zeng Meiguang Wu Qiuyun Zhang Baojin Zhang Caibei Cui Jianzhong |
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| Abstract: | The dislocation behavior in the superplastic deformation of alloy Al-Li 2091 has been studied.Both TEM observation and X-ray diffraction analysis revealed that:in the stuidied range of strain,the amount of dislocation in the grain interior decreases with the increase of strain.There also exist such dislocation configurations as network,subgrain boundaries,dislocation poles,helical dislocation,dislocation ring and grain boundary dislocations.In the softening stage of superplastic deformation,with the increase of strain,the velocity of dislocation motion increases and the activation energy of dislocations decreases. |
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| Keywords: | Al-Li alloy superplastic deformation dislocation behavior |
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