Grain Growth in Materials with Mobile Second-Phase Particles

Abstract:

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Grain growth controlled by particles able to move together with grain boundaries is investigated by means of numerical simulation. The particles either located on grain boundaries or randomly distributed over the material volume are shown to retard the growth process. In the first case the growth kinetics is described by a power law Dn −D0 n = kt with the exponent n≤ 3. Growth kinetics under the influence of randomly distributed mobile particles can be approximated by the same law with the exponent n increasing with an increase in the particle volume fraction.

Info:

Periodical:

Materials Science Forum (Volumes 558-559)

Edited by:

S.-J.L. Kang, M.Y. Huh, N.M. Hwang, H. Homma, K. Ushioda and Y. Ikuhara

Pages:

1021-1028

DOI:

10.4028/www.scientific.net/MSF.558-559.1021

Citation:

V. Y. Novikov "Grain Growth in Materials with Mobile Second-Phase Particles", Materials Science Forum, Vols. 558-559, pp. 1021-1028, 2007

Online since:

October 2007

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Price:

$35.00

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