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Rare Metals

Erschienen in:

01.01.2016

Reaction behaviors occurring in Ti/Al foil metallurgy

verfasst von: Zheng-Zhang Shen, Jun-Pin Lin, Yong-Feng Liang, Lai-Qi Zhang, Guo-Jian Hao

Erschienen in: Rare Metals | Ausgabe 1/2016

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Abstract

Reaction behaviors occurring in Ti/Al foil metallurgy were systematically investigated. Particular emphasis was focused on the reaction between solid Al and Ti as well as subsequent reaction between TiAl₃ and Ti layer. In the solid reaction between Al and Ti, the presence of residual Al is mainly caused by inhomogeneous growth of TiAl₃ layer and micro-voids existing at the interface. However, through reaction between molten Al and Ti, TiAl₃/Ti multilayer can be achieved with complete consumption of Al. During subsequent high-temperature heat treatment, TiAl₃/Ti multilayer will eventually turn into Ti₃Al/TiAl multilayer accompanying with simultaneous formation and successive disappearance of intermediate phases, such as TiAl₂ and Ti₂Al₅. Moreover, it is found that the growth direction of TiAl layer changes as a function of annealing time between different couples in multi-intermetallics system.

Vorheriger Artikel Fatigue properties of a medium-strength γ-TiAl alloy with different surface conditions

Nächster Artikel Characterization of creep behavior of TiAl alloy with high Nb content at elevated temperatures

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Titel: Reaction behaviors occurring in Ti/Al foil metallurgy
verfasst von: Zheng-Zhang Shen
Jun-Pin Lin
Yong-Feng Liang
Lai-Qi Zhang
Guo-Jian Hao
Publikationsdatum: 01.01.2016
Verlag: Nonferrous Metals Society of China
Erschienen in: Rare Metals / Ausgabe 1/2016
Print ISSN: 1001-0521
Elektronische ISSN: 1867-7185
DOI: https://doi.org/10.1007/s12598-015-0645-8

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