Activation volume of diffusion in amorphous NixZr1-x alloys

H. J. Höfler; R. S. Averback; G. Rummel; H. Mehrer

doi:10.1080/09500839208219049

Activation volume of diffusion in amorphous Ni_xZr_1-x alloys

H. J. Höfler, R. S. Averback, G. Rummel, H. Mehrer

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Abstract

The tracer diffusivity of Co in amorphous Ni_xZr_1-x has been measured as a function of pressure for0·42≤x≤0·62. The primary conclusions that can be drawnfrom the results of these measurements is that the activation volume ΔV of diffusion in amorphous Ni_xZr_1-x alloys is about (8-20) x 10^-30 m³, and it is dependent upon alloy composition. The results are discussed in terms of a previously proposed interstitial-like diffusion mechanisms for Co in amorphous Ni-Zr.

Original language	English (US)
Pages (from-to)	301-306
Number of pages	6
Journal	Philosophical Magazine Letters
Volume	66
Issue number	6
DOIs	https://doi.org/10.1080/09500839208219049
State	Published - Dec 1992

ASJC Scopus subject areas

Condensed Matter Physics

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10.1080/09500839208219049

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Cite this

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title = "Activation volume of diffusion in amorphous NixZr1-x alloys",

abstract = "The tracer diffusivity of Co in amorphous NixZr1-x has been measured as a function of pressure for0·42≤x≤0·62. The primary conclusions that can be drawnfrom the results of these measurements is that the activation volume ΔV of diffusion in amorphous NixZr1-x alloys is about (8-20) x 10-30 m3, and it is dependent upon alloy composition. The results are discussed in terms of a previously proposed interstitial-like diffusion mechanisms for Co in amorphous Ni-Zr.",

author = "H{\"o}fler, {H. J.} and Averback, {R. S.} and G. Rummel and H. Mehrer",

note = "The work at the University of Illinois was supported by the US Department of Energy, Basic Energy Sciences, under Contract No. DEFG02-9 1E R45439.",

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AU - Höfler, H. J.

AU - Averback, R. S.

AU - Rummel, G.

AU - Mehrer, H.

N1 - The work at the University of Illinois was supported by the US Department of Energy, Basic Energy Sciences, under Contract No. DEFG02-9 1E R45439.

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N2 - The tracer diffusivity of Co in amorphous NixZr1-x has been measured as a function of pressure for0·42≤x≤0·62. The primary conclusions that can be drawnfrom the results of these measurements is that the activation volume ΔV of diffusion in amorphous NixZr1-x alloys is about (8-20) x 10-30 m3, and it is dependent upon alloy composition. The results are discussed in terms of a previously proposed interstitial-like diffusion mechanisms for Co in amorphous Ni-Zr.

AB - The tracer diffusivity of Co in amorphous NixZr1-x has been measured as a function of pressure for0·42≤x≤0·62. The primary conclusions that can be drawnfrom the results of these measurements is that the activation volume ΔV of diffusion in amorphous NixZr1-x alloys is about (8-20) x 10-30 m3, and it is dependent upon alloy composition. The results are discussed in terms of a previously proposed interstitial-like diffusion mechanisms for Co in amorphous Ni-Zr.

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