Recrystallisation Driving and Pinning Forces during Hot Rolling of a Low Nb-Microalloyed Steel

Abstract:

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The values of recrystallisation driving (FR) and pinning forces (FP) during the hot rolling of a low Nb-microalloyed steel were calculated using several expressions found in the literature. A comparative study of the hypothesis into the interaction between precipitates and migrating grain boundaries was carried out, and the methods for estimating volume fractions of precipitates and dislocation density were assessed. Though the criterion selected greatly influences the values obtained for both forces, FP grows faster than FR as the rolling temperature drops.

Info:

Periodical:

Materials Science Forum (Volumes 500-501)

Edited by:

J.M. Rodriguez-Ibabe, I. Gutiérrez, B. López and A. Iza-Mendia

Pages:

147-154

DOI:

10.4028/www.scientific.net/MSF.500-501.147

Citation:

M. Gómez and S.F. Medina, "Recrystallisation Driving and Pinning Forces during Hot Rolling of a Low Nb-Microalloyed Steel ", Materials Science Forum, Vols. 500-501, pp. 147-154, 2005

Online since:

November 2005

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$35.00

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