The Influence of Pre-Annealing on Recrystallization in Heavily Cold-Rolled Nickel


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Polycrystalline nickel (99.999% purity) cold-rolled to a reduction of 96% has been given a two-step annealing treatment consisting of a pre-annealing at 180 °C or 220 °C for 2 hours, followed by a final annealing at 300 °C for 10 minutes. The changes in microstructure and texture during annealing have been followed using electron backscatter diffraction orientation measurements taken on the longitudinal section of the samples. The results suggest that pre-annealing at low temperature can enhance the formation recrystallized grains of cube orientation. Based on an analysis of the experimental data, possible reasons for the enhancement as a result of pre-annealing in the formation of cube orientation grains are discussed.



Key Engineering Materials (Volumes 353-358)

Edited by:

Yu Zhou, Shan-Tung Tu and Xishan Xie




Z. Cheng et al., "The Influence of Pre-Annealing on Recrystallization in Heavily Cold-Rolled Nickel ", Key Engineering Materials, Vols. 353-358, pp. 703-706, 2007

Online since:

September 2007




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[6] A. Godfrey, W.Q. Cao, N. Hansen and Q. Liu: Metall. Mater. Trans. Vol 36A (2005), p.2371 Fig. 4 OIM maps of the samples after 10 minutes annealing at 300°C: (a) 180°C pre-annealed; (b) 220°C pre-annealed.

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