Ultrasonic Attenuation Properties of Glassy Alloys in Views of Complex Viscoelasticity

Mikio Fukuhara; Wei Zhang; Dmitri V. Louzguine-Luzgin; Akihisa Inoue

doi:10.4028/www.scientific.net/MSF.561-565.1287

Paper Titles

Viscous Flow Behaviors of Supercooled Liquids of Pre-Annealed Zr₅₅Cu₃₀Al₁₀Ni₅ Bulk Metallic Glasses
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Cluster-Based Bulk Metallic Glass Formation in Co (-Fe)-Si-B-Nb Alloy Systems
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Environment-Assisted Cracking of Zr-Based Bulk Metallic Glass
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Density and Enthalpy Relaxation Behavior in a Bulk Pd₄₀Ni₄₀P₂₀ Metallic Glass
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Ultrasonic Attenuation Properties of Glassy Alloys in Views of Complex Viscoelasticity
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Fabrication of Ni_52.5Nb₁₀Zr₁₅Ti₁₅Pt_7.5 Bulk Metallic Glassy Matrix Composite Containing Dispersed ZrO₂ Particulates by Spark Plasma Sintering
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Plastic Deformation of Electrodeposited Nanocrystalline Ni-W Alloys at High Temperatures
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Low Cycle Fatigue of Electrodeposited Pure Nanocrystalline Metals
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Comparison of Mechanical Properties between As-Quenched and Annealed Metallic Glass Pd₄₄Cu₃₁Ni₈P₁₇
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HomeMaterials Science ForumMaterials Science Forum Vols. 561-565Ultrasonic Attenuation Properties of Glassy Alloys...

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.

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Materials Science Forum (Volumes 561-565)

Pages:

1287-1290

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.561-565.1287

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Online since:

October 2007

Authors:

Mikio Fukuhara, Wei Zhang, Dmitri V. Louzguine-Luzgin, Akihisa Inoue

Keywords:

Complex Viscoelasticity, Glassy Alloys, Poisson's Ratio, Ultrasonic Attenuation

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