| Phase Transformation and Deformation Mechanism of Ti_3Al-base Alloy |
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| 作者姓名： | 王顺才 李春志 高扬 曹春晓 颜鸣皋 |
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| 作者单位： | Institute of Aeronautical Materials Beijing，100095，China.To whom correspondence should be addressed.，Institute of Aeronautical Materials，Beijing，100095，China.，Institute of Aeronautical Materials，Beijing，100095，China.，Institute of Aeronautical Materials，Beijing，100095，China.，Institute of Aeronautical Materials，Beijing，100095，China. |
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| 摘 要： | The phase transformation and deformationmechanism of the alloy based on composition Ti_3Alwith addition of Nb,V,Mo have been studied by useof transmission electron microscopy (TEM).It hasbeen shown that the orientation relationship ofα_2 phase transformed from β phase is:(0001)α_2//(l10)β,1210]α_2//111]β.The present dislocationslip systems in α_2 phase are (1100)0001] and(1100)<1120>.There also exist α_2 twins whichhave new twin relationship and the twin plane is(2021).
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| 收稿时间： | 1991-01-28 |
Phase Transformation and Deformation Mechanism of Ti_3Al-base Alloy |
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| By WANG Shuncai LI Chunzhi GAO Yang CAO Chunxiao YAN Minggao Institute of Aeronautical Materials,Beijing,China.To whom correspondence should be addressed..Phase Transformation and Deformation Mechanism of Ti_3Al-base Alloy[J].Journal of Materials Science & Technology,1991,7(1):9-14. |
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| Authors: | By WANG Shuncai LI Chunzhi GAO Yang CAO Chunxiao YAN Minggao Institute of Aeronautical Materials Beijing ChinaTo whom correspondence should be addressed |
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| Abstract: | The phase transformation and deformation mechanism of the alloy based on composition Ti_3Al with addition of Nb,V,Mo have been studied by use of transmission electron microscopy (TEM).It has been shown that the orientation relationship of α_2 phase transformed from β phase is:(0001)α_2// (l10)β,1210]α_2//111]β.The present dislocation slip systems in α_2 phase are (1100)0001] and (1100)<1120>.There also exist α_2 twins which have new twin relationship and the twin plane is (2021). |
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| Keywords: | Ti_3Al-base alloy phase transformation deformation mechanism |
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