Development of foil metallurgy technique for production of TiAl
作者:
JakobA.,
SpeidelM. O.,
期刊:
Materials Science and Technology
(Taylor Available online 1994)
卷期:
Volume 10,
issue 10
页码: 845-847
ISSN:0267-0836
年代: 1994
DOI:10.1179/mst.1994.10.10.845
出版商: Taylor&Francis
数据来源: Taylor
摘要:
AbstractAn elemental foil metallurgy process, based on pure titanium and aluminium foils, has been developed to produce TiAl based intermetal1ic compounds. The processing comprises five steps: coiling of pure titanium and aluminium foils, encapsulating, reaction annealing, precompacting, and hot isostatic pressing. Samples processed by this method have low oxygen contents (0·04–0·07 wt-%); a duplex layer microstructure is obtained. Foil metallurgy is shown to be an attractive processing technique to produce near net shape formed components fabricated from high quality titanium aluminides by conventional closed die forging of encapsulated Ti/Al coils before hot isostatic pressing, i.e. before the formation of the brittle TiAl.MST/2045
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