Monte Carlo Simulation of Cube-Texture Evolution during Grain Growth of High-Purity Nickel

Andrew Godfrey; Yong Bin Zhang; F. Lin; Mark A. Miodownik; Qing Liu

doi:10.4028/www.scientific.net/MSF.475-479.3149

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HomeMaterials Science ForumMaterials Science Forum Vols. 475-479Monte Carlo Simulation of Cube-Texture Evolution...

Monte Carlo Simulation of Cube-Texture Evolution during Grain Growth of High-Purity Nickel

Abstract:

A Monte Carlo Potts model has been used to investigate cube-texture strengthening during grain growth in rolled high-purity Ni-tapes. The initial conditions for the simulations have been taken from electron back-scatter pattern (EBSP) orientation maps of already fully recrystallized samples. Experimentally, grain growth leads to an increase in the cube volume fraction to >95% , accompanied by an approximately ten-fold increase in the grain size. High cube volume fractions can be predicted under a number of conditions, though a small surface energy advantage of just 2% for cube-oriented grains is required to match the texture strengthening to the grain size change. An additional issue of interest is the influence on the grain growth of the large area-fraction of twin boundaries in the fully recrystallized condition. The presence of boundaries with low energy has a strong influence on the simulated microstructural evolution.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

3149-3152

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.3149

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Online since:

January 2005

Authors:

Andrew Godfrey, Yong Bin Zhang, F. Lin, Mark A. Miodownik, Qing Liu

Keywords:

Cube Texture, Grain Growth, Monte-Carlo, Nickel Ni, Simulation

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