Abstract
Deformation twins have been oberved in nanocrystalline (nc) Al processed by cryogenic ball-milling and in nc Cu processed by high-pressure torsion at room temperature and very low strain rates. They were found formed by partial dislocations emitted from grain boundaries. This paper first reviews experimental evidences and molecular simulation results on deformation twinning and partial dislocation emissions from grain boundaries, and then discusses recent analytical models on the nucleation and growth of deformation twins. These models are compared with experimental results to establish their validity and limitations.
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Zhu, Y.T. (2006). Deformation Twinning in Nanocrystalline fcc Copper and Aluminum. In: Zhu, Y.T., Varyukhin, V. (eds) Nanostructured Materials by High-Pressure Severe Plastic Deformation. NATO Science Series, vol 212. Springer, Dordrecht. https://doi.org/10.1007/1-4020-3923-9_1
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DOI: https://doi.org/10.1007/1-4020-3923-9_1
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-3921-8
Online ISBN: 978-1-4020-3923-2
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