MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Development of Microstructure and Texture in Rapidly Solidified and Annealed Ni-Al Alloys
Toshiya SakataHiroyuki Y. YasudaYukichi Umakoshi
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2001 Volume 42 Issue 11 Pages 2382-2385

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Abstract

Development of microstructure and crystal orientation distribution in melt-spun and subsequently annealed Ni–36 at%Al and Ni–38 at%Al alloy ribbons was investigated. In Ni–36 at%Al ribbon, the martensitic transformation from β to β phase occurred during rapid cooling showing strong ⟨110⟩β fiber texture, while β phase with strong ⟨100⟩β texture was frozen in Ni–38 at%Al ribbon. During annealing at 1073 K, a peculiar fiber texture of strong ⟨100⟩β and ⟨110⟩γ texture was developed in Ni–36 at%Al ribbon. Formation of the texture was discussed focusing on the initial microstructure and the orientation relationship between phases during phase transformation.

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© 2001 The Japan Institute of Metals and Materials
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