Development of NiAl(B2)-base shape memory alloys

Ryosuke Kainuma, N. Ono, K. Ishida

研究成果: Conference article査読

21 被引用数 (Scopus)

抄録

The basic concept underlying the alloy design and microstructural control method utilised in developing a new type of β (B2) + γ (A1) two-phase ductile shape memory alloy in the Ni-Al base systems is briefly reviewed. The characteristic features of the shape memory effect (SME) in the Ni-Al-Fe and Ni-Al-Fe-Mn alloys are reported with particular reference to the transformation and deformation temperatures, the volume fractions of the γ phase, the morphology of the β + γ structure and the effect of cycling. Training by cycling treatment has a significant effect on the degree of shape recovery and pseudo-elasticity in the β + γ two-phase alloys. These duplex β + γ alloys also exhibit a combination of relatively high damping capacity and high yield strength. It is emphasized that these alloys could be expected to fill the need for a new group of shape memory alloys which operate at elevated temperatures over 100°C.

本文言語English
ページ(範囲)467-478
ページ数12
ジャーナルMaterials Research Society Symposium - Proceedings
360
出版ステータスPublished - 1995 1月 1
イベントProceedings of the 1994 MRS Fall Meeting - Boston, MA, USA
継続期間: 1994 11月 281994 11月 30

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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