| TiAl合金不同钛铝比层片组织的稳定性 |
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| 引用本文： | 张继,张志宏.TiAl合金不同钛铝比层片组织的稳定性[J].航空材料学报,1996,16(1):1-6. |
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| 作者姓名： | 张继 张志宏 |
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| 作者单位： | 冶金部钢铁研究总院，东北大学理学院 |
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| 摘 要： | 对钛铝比为１．１７４、１．１０５和１．０４１的（ＴｉＡｌ）－２．５Ｖ－１Ｃｒ（ａｔ％）合金层片组织在１３２３Ｋ热暴露中的组织变化进行了观察和分析。发现钛铝比对ＴｉＡｌ合金层片组织的稳定性和失稳分解机理有重要影响，钦铝比适当大于１：１（如１．１０５）的合金可以得到稳定性更好的层片组织。
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| 关 键 词： | TiAl合金层片组织，钛铝比，稳定性 |
THE STABILITY OF TiAl ALLOY LAMELLAR STRUCTURE WITH DIFFERENT Ti/Al RATIO |
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| Zhang Ji, Zhang Jianwei,Zou Dunxu,Zhong Zengyong.THE STABILITY OF TiAl ALLOY LAMELLAR STRUCTURE WITH DIFFERENT Ti/Al RATIO[J].Journal of Aeronautical Materials,1996,16(1):1-6. |
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| Authors: | Zhang Ji Zhang Jianwei Zou Dunxu Zhong Zengyong |
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| Abstract: | The stability of TiAl alloy lamellar structure in thermo-exposure has attracted extensive attention recently. This paper conducted the observations and analyses on the transformation of the lameller structures in 1323K thermo-exposure. It's revealed that the Ti/Al ratio has significant effects on the stability and decomposition mechanisms of the lamellar structures.The lamellar structure with Ti/Al ratio properly higher than 1:1 can have much better stability. |
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| Keywords: | TiAl alloy lamellar structure Ti/Al ratio stability |
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