Kinetics Parameters of Atomic Migration and Diffuse Scattering of Radiations within the F.C.C.-Ni–Al Alloys

Abstract:

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Relaxation of diffuse-scattering intensities of various kinds of waves is a phenomenon of an especial interest since its study enables one to obtain the most detailed information on both the equilibrium short-range order (SRO) and the non-equilibrium SRO, and therefore, it is the most convenient instrument for investigating SRO kinetics. The SRO kinetics is studied by the use of available data of measurements of residual electrical resistivity for substitutional f.c.c.-Ni–Al solid solutions during their isothermal annealing. Within the framework of the first-order and (more realistic) second-order kinetics models, the maximum characteristic relaxation times and equilibrium magnitudes of the residual electrical resistivity for these solid solutions at different annealing (1273–1626 K) and quenching temperatures (≥ 1723 K) are evaluated, and the hypothetical values of similar quantities appropriate for the diffuse scattering of radiations are estimated too.

Info:

Periodical:

Defect and Diffusion Forum (Volumes 273-276)

Edited by:

Andreas Öchsner and Graeme E. Murch

Pages:

520-524

DOI:

10.4028/www.scientific.net/DDF.273-276.520

Citation:

D.S. Leonov et al., "Kinetics Parameters of Atomic Migration and Diffuse Scattering of Radiations within the F.C.C.-Ni–Al Alloys ", Defect and Diffusion Forum, Vols. 273-276, pp. 520-524, 2008

Online since:

February 2008

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$35.00

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