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Proceedings Paper

Characterization of rapid-solidified shape memory TiNiCu alloy as an actuator/sensor material element
Author(s): Shizuka Tamoto; Takeshi Yamahira; Yasubumi Furuya; Takehiko Segawa
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Paper Abstract

Ti50Ni50-xCux fine fibers were successfully developed by the arc-melted rapid-solidification method.It has been very difficult to do the conventional melt-work processing from the bulk material of this alloy to very fine fiber because of the brittleness from metallic compounds especially in the range of Cu⩾8 at%. The fibers showed good shape memroy effect. As Cu content increased, the temperature hysteresis of recovery strain-temperature curves as well as DSC curves became smaller and the tensile strength showed more than 1000MPa in Ti50Ni40Cu10 at% fiber. Therefore, the developed rapid-solidified, thermoelastic fiber fiber actuator/sensor materials have high potentiality of applications for micro-machines and the fillers of smart composites.

Paper Details

Date Published: 11 March 2003
PDF: 8 pages
Proc. SPIE 4946, Transducing Materials and Devices, (11 March 2003); doi: 10.1117/12.468289
Show Author Affiliations
Shizuka Tamoto, National Institute of Advanced Industrial Science and Technology (Japan)
Takeshi Yamahira, Hirosaki Univ. (Japan)
Yasubumi Furuya, Hirosaki Univ. (Japan)
Takehiko Segawa, National Institute of Advanced Industrial Science and Technology (Japan)

Published in SPIE Proceedings Vol. 4946:
Transducing Materials and Devices
Yoseph Bar-Cohen, Editor(s)

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