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TECHNICAL PAPERS

On the Optimal Damping of a Vibrating Shape Memory Alloy Rod

[+] Author and Article Information
Eduard R. Oberaigner, Franz D. Fischer

Institute of Mechanics, Montanuniversität Leoben, Leoben, Austria

Kikuaki Tanaka

Department of Aerospace Engineering, Tokyo Metropolitan Institute of Technology, Hino/Tokyo, Japan

J. Eng. Mater. Technol 124(2), 97-102 (Mar 26, 2002) (6 pages) doi:10.1115/1.1310306 History: Received December 03, 1999; Revised March 17, 2000; Online March 26, 2002
Copyright © 2002 by ASME
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References

Figures

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Elastic rod under initial stress Σ0
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Stress-temperature plane
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Elastic and inelastic domain on the damped rod. Schematically.
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Schematic stress-strain curve
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E/Ei=Emech(t)/Emech(0) in dependence of the reduced time t/tr. Circles: T(x=0,t)=237 K. Squares: Topt(t=0)=241 K. Triangles: Topt(t=0)=237 K.
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Topt(t) for two starting values and a constant temperature at the fixed end of the rod. Circles: T(x=0,t)=237 K. Squares: Topt(t=0)=241 K. Triangles: Topt(t=0)=237 K.
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Domains along the rod for different time steps. Elastic domains are white, inelastic domains are gray.

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