| Wrought processing of γ—TiAl alloys |
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| 引用本文： | M.Oehring F.Appel 等.Wrought processing of γ—TiAl alloys[J].中国有色金属学会会刊,2002,12(4):569-576. |
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| 作者姓名： | M.Oehring F.Appel |
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| 作者单位： | Institute for Materials Research，GKSS Research Centre Geesthacht，D-21502 Geesthacht，Germany |
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| 摘 要： | 1 ＩＮＴＲＯＤＵＣＴＩＯＮＩｎｔｅｒｍｅｔａｌｌｉｃｔｉｔａｎｉｕｍａｌｕｍｉｎｉｄｅａｌｌｏｙｓａｒｅａｎｅ ｍｅｒｇｉｎｇｃｌａｓｓｏｆｍａｔｅｒｉａｌｓｔｈａｔｅｘｈｉｂｉｔａｔｔｒａｃｔｉｖｅｔｈｅｒ ｍｏｐｈｙｓｉｃａｌｐｒｏｐｅｒｔｉｅｓａｎｄ
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| 关 键 词： | γ－TiAl合金 热加工 显微结构 锻造工艺 |
Wrought processing of γ-TiAl alloys |
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| M.Oehring,F.Appel,U.Lorenz.Wrought processing of γ-TiAl alloys[J].Transactions of Nonferrous Metals Society of China,2002,12(4):569-576. |
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| Authors: | MOehring FAppel ULorenz |
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| Abstract: | The hot working behaviour of intermetallic titanium aluminide alloys was described. The microstructural evolution during hot working was systematically studied on a series of binary and technical alloys with aluminium contents ranging between 45% and 54%(mole fraction). Process regimes in terms of temperature and strain rate were identified which allow large strain hot working to be carried out, either by forging or extrusion, with the production of sound forgings. The major areas addressed in the paper are ingot structure and homogenization, factors determining hot working and recrystallization, ingot conversion, and secondary processing. |
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| Keywords: | titanium aluminides hot working dynamic recrystallization grain refinement microstructure |
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