Paper Title:
Ultrasonic Attenuation Properties of Glassy Alloys in Views of Complex Viscoelasticity
  Abstract

Using ultrasonics, acoustic characteristics of Pd40Cu30P20, Zr55Cu30Al10Ni5, Zr65Pd12.5Ni10Al7.5 Cu5, Cu55Zr30Ti10Pd5, Cu45Zr20Hf25Ag10 and Ti41.5Cu42.5Ni7.5Hf5Zr2.5Sn1 glassy alloys were examined in terms of complex elasticity. The order of bulk modulus (K), Lamè parameter (λ ), Young (E ) and shear (G ) moduli of the glassy alloys is monopoltical character of glassy alloys, except for polymers and rubbers. For metals and alloys, ceramics, polymers and glassy alloys, Poison’s ratio correlates well to ratio G /K. Complex elasticity indicates that viscoelasticity of the glassy alloys is predominated by volumetric motion.

  Info
Periodical
Materials Science Forum (Volumes 561-565)
Main Theme
Edited by
Young Won Chang, Nack J. Kim and Chong Soo Lee
Pages
1287-1290
DOI
10.4028/www.scientific.net/MSF.561-565.1287
Citation
M. Fukuhara, W. Zhang, D. V. Louzguine-Luzgin, A. Inoue, "Ultrasonic Attenuation Properties of Glassy Alloys in Views of Complex Viscoelasticity", Materials Science Forum, Vols. 561-565, pp. 1287-1290, 2007
Online since
October 2007
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