Characterization of rapid-solidified shape memory TiNiCu alloy as an actuator/sensor material element

Shizuka Tamoto; Takeshi Yamahira; Yasubumi Furuya; Takehiko Segawa

doi:10.1117/12.468289

11 March 2003 Characterization of rapid-solidified shape memory TiNiCu alloy as an actuator/sensor material element

Shizuka Tamoto, Takeshi Yamahira, Yasubumi Furuya, Takehiko Segawa

Proceedings Volume 4946, Transducing Materials and Devices; (2003) https://doi.org/10.1117/12.468289
Event: Photonics Fabrication Europe, 2002, Bruges, Belgium

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.

Citation Download Citation

Shizuka Tamoto, Takeshi Yamahira, Yasubumi Furuya, and Takehiko Segawa "Characterization of rapid-solidified shape memory TiNiCu alloy as an actuator/sensor material element", Proc. SPIE 4946, Transducing Materials and Devices, (11 March 2003); https://doi.org/10.1117/12.468289

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