The Furukawa Electric Co., Ltd.

Furukawa Techno Material Co., Ltd.

Tohoku University

Tokyo Institute of Technology

Fumiyoshi Yamashita

Sumio Kise

Misato Fujii

Keisuke Saito

Ryosuke Kainuma

Toshihiro Omori

Hideki Hosoda

Koji Ishikawa

Masaki Tahara

Tomonari Inamura

Kenji Uruma

Yuri Shinohara

Ryota Morishige

Nobuyasu Matsumoto

A Ni—Ti-based alloy material includes a matrix phase consisting essentially of a Ni—Ti-based alloy and having a B2 type crystal structure. A nonmetallic inclusion is present in the matrix phase, in which 99% by mass or more of the nonmetallic inclusion is a TiC-based inclusion having a NaCl type crystal structure, the TiC-based inclusion has a lattice misfit (δ) in a range of 0.4238 or more and 0.4259 or less. The lattice misfit (δ) is represented by Expression δ=(a1−a2)/a2, where a1 is a lattice constant (Å) of the TiC-based inclusion and a2 is a lattice constant (Å) of the matrix phase.

Ni—Ti-based alloy material, method for producing Ni—Ti-based alloy material, and wire or tube including Ni—Ti-based alloy material

A copper-based alloy material including a multiphase structure containing a matrix of a β phase and a precipitation phase of a B2-type crystal structure dispersed in the matrix, where the copper-based alloy material includes a composition containing 8.6 to 12.6% by mass of Al, 2.9 to 8.9% by mass of Mn, 3.2 to 10.0% by mass of Ni, and Cu.

Copper-based alloy material, production method therefor, and members or parts made of copper-based alloy material

A Ti&#x2014;Ni-based alloy, which has a torsion angle for Interface I that is a junction plane between habit plane variants of a martensitic phase, of less than 1.00&#xb0;; a wire, an electrically conductive actuator, and a temperature sensor, each of which uses that alloy; and a method of producing the Ti&#x2014;Ni-based alloy.

Ti&#x2014;Ni-based alloy; wire, electrically conductive actuator, and temperature sensor, each using this alloy; and method of producing a Ti&#x2014;Ni-based alloy

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Hiratsuka, Japan

Fumiyoshi Yamashita