The Furukawa Electric Co., Ltd.

Furukawa Techno Material Co., Ltd.

Tohoku University

Tokyo Institute of Technology

Misato Fujii

Keisuke Saito

Kiyohito Ishida

Sumio Kise

Ryosuke Kainuma

Toshihiro Omori

Koji Ishikawa

Toyonobu Tanaka

Fumiyoshi Yamashita

Hideki Hosoda

Satoshi Teshigawara

Kenji Nakamizo

Masaki Tahara

Tomonari Inamura

Yuri Shinohara

Shingo Kawata

Nobuyasu Matsumoto

Ryota Morishige

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

A Cu&#x2014;Al&#x2014;Mn-based alloy material () having a composition comprising: given contents of Al and Mn, and a given total content of at least one selected from Ni and the like; with the balance being Cu and unavoidable impurities, wherein the alloy material has a shape elongated in the working direction (RD), wherein a grain length ain the RD is R/2 or less to the width or diameter (R), a grain length bin a direction perpendicular to the RD is R/4 or less, and the amount of grains X () is 15% or less, and wherein a grain length a in the RD and a grain length b in the direction perpendicular to the RD satisfy: a&#x2265;b, and an angle formed by the normal line of the (111) plane and the RD is 15&#xb0; or larger, the amount of grains Y' () is 85% or more.

Cu-Al-Mn-based alloy material, method of producing the same, and rod material or sheet material using the same

A wrought material containing a Cu&#x2014;Al&#x2014;Mn-based alloy, in which an existence frequency of a coincidence grain boundary with a &#x3a3; value of 3 or less is 35% or more but 75% or less, and which has a recrystallized microstructure substantially formed from a &#x3b2; single phase; and the use thereof.

Wrought material comprising Cu&#x2014;Al&#x2014;Mn-based alloy excellent in stress corrosion resistance and use thereof

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Hiratsuka, Japan

Misato Fujii