Damping Characteristics of Biomedical Porous NiTi Shape Memory Alloy

Abstract:

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One internal friction peak associated with the B2↔B19’ transformation appears on the cooling curve of porous NiTi shape memory alloy and the dense NiTi alloy shows the maximum peak. The tan δ value increased with the increasing of strain amplitude and the decreasing of frequency. Tan δ value of porous alloy mainly comes from the energy absorbing of the matrix at the small strain amplitude, however, if the strain amplitude is large, the tan δ value comes from the energy consumption that overcomes the friction between folds and the plastic contribution.

Info:

Periodical:

Advanced Materials Research (Volumes 97-101)

Edited by:

Zhengyi Jiang and Chunliang Zhang

Pages:

1083-1086

DOI:

10.4028/www.scientific.net/AMR.97-101.1083

Citation:

H. C. Jiang et al., "Damping Characteristics of Biomedical Porous NiTi Shape Memory Alloy", Advanced Materials Research, Vols. 97-101, pp. 1083-1086, 2010

Online since:

March 2010

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Price:

$35.00

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