期刊
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
卷 37, 期 8, 页码 1363-1374出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0020-7462(02)00030-6
关键词
shape memory alloys; modeling; damping capacity; hysteresis; dynamics
类别
The paper studies the single degree of freedom vibration of a rigid mass suspended by a thin-walled shape memory alloy tube under torsional loading. The behavior is analyzed for the cases of quasiplasticity (low temperatures) and pseudoelasticity (high temperatures) on the basis of an improved version of the Muller-Achenbach model. To illustrate the strong hysteresis-induced damping capacity and the non-linear vibration characteristics, both, free and forced vibrations are considered in the first part of the paper. This is done on the basis of an isothermal version of the model, while the second part of the paper focuses on the effect of non-constant temperature caused by the rate-dependent release and absorption of latent heats. (C) 2002 Published by Elsevier Science Ltd.
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