Application to Seismic Dampers in High-Strain-Rate Superplastic Zn-Al Alloy

Abstract:

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High strain rate superplasticity has been realised at room temperature for the first time with a ultra fine grained Zn-22wt%Al alloy. Zn-Al alloys have some advantages over low-yieldpoint steels in their low work-hardening rate and high ductility. In addition, Zn-Al alloys are environment-conscious because of no harmful metal like Pb. However, when Zn-Al alloys are subjected to plastic deformation, the strain is localised and local fracture can take place because of their low work-hardening property. In this study, a seismic damper was designed with a Ultra fine grained Zn-Al alloy. As a result, an ecological and high performance seismic damper, the so-called “maintenance-free seismic damper”, has been successfully developed.

Info:

Periodical:

Materials Science Forum (Volumes 475-479)

Main Theme:

Edited by:

Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie

Pages:

3055-3060

DOI:

10.4028/www.scientific.net/MSF.475-479.3055

Citation:

A. Kushibe et al., "Application to Seismic Dampers in High-Strain-Rate Superplastic Zn-Al Alloy", Materials Science Forum, Vols. 475-479, pp. 3055-3060, 2005

Online since:

January 2005

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Price:

$35.00

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