Ultrasonic properties of glassy alloys in terms of complex wave elasticity

Mikio Fukuhara; Wei Zhang; Akihisa Inoue

doi:10.1002/pssa.200723103

Ultrasonic properties of glassy alloys in terms of complex wave elasticity

Mikio Fukuhara, Wei Zhang, Akihisa Inoue

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Using ultrasonics, acoustic characteristics of Pd ₄₀Cu ₃₀P ₂₀, Zr ₅₅Cu ₃₀Al ₁₀N _i5, Zr ₆₅Pd _12.5Ni ₁₀Al _7.5Cu ₅, Cu ₅₅Zr ₃₀Ti ₁₀Pd ₅, Cu ₄₅Zr ₂₀Hf ₂₅Ag ₁₀ and Ti _41.5Cu _42.5Ni _7.5Hf ₅Zr _2.5Sn ₁ glassy alloys were examined in terms of complex elasticity. The order of bulk modulus (K), Lamé parameter (λ), Young (E) and shear (G) moduli of the glassy alloys shows the monopolistical character of the glassy alloys, except for polymers and rubbers. Poison's ratio correlates well to the anisotropy factor and the ratio G/K, accompanied by dilational and shear attenuation coefficients, showing characteristic one-dimensional elastic deformability of the glassy alloys. The complex elasticity shows that the viscoelasticity of the glassy alloys is predominated by volumetric motion, associated with the complex waves.

Original language	English
Pages (from-to)	3116-3120
Number of pages	5
Journal	Physica Status Solidi (A) Applications and Materials Science
Volume	204
Issue number	9
DOIs	https://doi.org/10.1002/pssa.200723103
Publication status	Published - 2007 Sept
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Electrical and Electronic Engineering
Materials Chemistry

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10.1002/pssa.200723103

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title = "Ultrasonic properties of glassy alloys in terms of complex wave elasticity",

abstract = "Using ultrasonics, acoustic characteristics of Pd 40Cu 30P 20, Zr 55Cu 30Al 10N i5, Zr 65Pd 12.5Ni 10Al 7.5Cu 5, Cu 55Zr 30Ti 10Pd 5, Cu 45Zr 20Hf 25Ag 10 and Ti 41.5Cu 42.5Ni 7.5Hf 5Zr 2.5Sn 1 glassy alloys were examined in terms of complex elasticity. The order of bulk modulus (K), Lam{\'e} parameter (λ), Young (E) and shear (G) moduli of the glassy alloys shows the monopolistical character of the glassy alloys, except for polymers and rubbers. Poison's ratio correlates well to the anisotropy factor and the ratio G/K, accompanied by dilational and shear attenuation coefficients, showing characteristic one-dimensional elastic deformability of the glassy alloys. The complex elasticity shows that the viscoelasticity of the glassy alloys is predominated by volumetric motion, associated with the complex waves.",

author = "Mikio Fukuhara and Wei Zhang and Akihisa Inoue",

year = "2007",

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doi = "10.1002/pssa.200723103",

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AU - Fukuhara, Mikio

AU - Zhang, Wei

AU - Inoue, Akihisa

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N2 - Using ultrasonics, acoustic characteristics of Pd 40Cu 30P 20, Zr 55Cu 30Al 10N i5, Zr 65Pd 12.5Ni 10Al 7.5Cu 5, Cu 55Zr 30Ti 10Pd 5, Cu 45Zr 20Hf 25Ag 10 and Ti 41.5Cu 42.5Ni 7.5Hf 5Zr 2.5Sn 1 glassy alloys were examined in terms of complex elasticity. The order of bulk modulus (K), Lamé parameter (λ), Young (E) and shear (G) moduli of the glassy alloys shows the monopolistical character of the glassy alloys, except for polymers and rubbers. Poison's ratio correlates well to the anisotropy factor and the ratio G/K, accompanied by dilational and shear attenuation coefficients, showing characteristic one-dimensional elastic deformability of the glassy alloys. The complex elasticity shows that the viscoelasticity of the glassy alloys is predominated by volumetric motion, associated with the complex waves.

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Ultrasonic properties of glassy alloys in terms of complex wave elasticity

Abstract

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