Precipitation processes in near-equiatomic TiNi shape memory alloys

Minoru Nishida, C. M. Wayman, T. Honma

研究成果: Contribution to journalArticle査読

384 被引用数 (Scopus)

抄録

Metallographic studies have been made of precipitation processes in Ti-50 pct Ni and Ti-52 pct Ni (at. pct) shape memory alloys. The eutectoid and peritectoid reactions previously reported for near-equiatomic and Ni-rich TiNi alloys were not observed for either composition. In the Ti-52Ni alloy, diffusional transformations take place, similar to those in supersaturated alloys. The precipitation sequence can be written as β 0 → Ti 11 Ni 14 → Ti 2 Ni 3 → TiNi 3 . The solidus line of the TiNi phase in the Ti-52Ni alloy lies at 812 ± 22 °C. Morphological characteristics of the various precipitate phases are described in detail.

本文言語英語
ページ(範囲)1505-1515
ページ数11
ジャーナルMetallurgical Transactions A
17
9
DOI
出版ステータス出版済み - 9 1 1986
外部発表はい

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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