Wrought processing of γ-TiAl alloys

被引：0
|
作者：
Oehring, M. [1 ]
Appel, F. [1 ]
Lorenz, U. [1 ]
机构：
[1] Inst. for Mat. Res., GKSS Res. Cent. Geesthacht, D-21502 Geesthacht, Germany
来源：
Transactions of Nonferrous Metals Society of China (English Edition) | 2002年 / 12卷 / 04期
关键词：
Dynamics - Forging - Hot working - Intermetallics - Metal extrusion - Recrystallization (metallurgy);
D O I：
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中图分类号：
学科分类号：
摘要：
The hot working behaviour of intermetallic titanium aluminide alloys was described. The microstructural evolution during hot working was studied on a series of binary and technical alloys with aluminium contents ranging from 45% to 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 this paper are ingot structure and homogenization factors determining hot working and recrystallization, ingot conversion, and secondary processing.
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页码：569 / 576
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