Godfrey, A.

Mishin, O. V.

Zhang, Y. B.

IOP Conference Series : Materials Science and Engineering

The recrystallization behavior of Ni processed by accumulative roll bonding to a total accumulated von Mises strain of 4.8 has been examined, and analyzed with respect to heterogeneity in the deformation microstructure. The regions near the bonding interface are found to be more refined and contain particle deformation zones around fragments of the steel wire brush used to prepare the surface for bonding. Sample-scale gradients are also observed, manifested as differences between the subsurface, intermediate and central layers, where the distributions of texture components are different. These heterogeneities affect the progress of recrystallization. While the subsurface and near-interface regions typically contain lower frequencies of cube-oriented grains than anywhere else in the sample, a strong cube texture forms in the sample during recrystallization, attributed to both a high nucleation rate and fast growth rate of cube-oriented grains. The observations highlight the sensitivity of recrystallization to heterogeneity in the deformation microstructure and demonstrate the importance of characterizing this heterogeneity over several length scales

Online Research Database In Technology

Recrystallization texture in nickel heavily deformed by accumulative roll bonding

O V Mishin

Y B Zhang

A Godfrey

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IOP Conference Series Materials Science and Engineering

http://orbit.dtu.dk/ws/files/138369474/Mishin_2017_IOP_Conf._Ser._3A_Mater._Sci._Eng._219_012034.pdf

Recrystallization texture in nickel heavily deformed by accumulative roll bonding

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Online Research Database In Technology

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