Experimental and computational studies of low cycle fatigue crack nucleation in a polycrystal |
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| Authors: | F.P.E. Dunne A.J. Wilkinson R. Allen |
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| Affiliation: | 1. Department of Engineering Science, Oxford University, Parks Road, Oxford OX1 3PJ, England, United Kingdom;2. Department of Materials, Oxford University, Parks Road, Oxford OX1 3PJ, England, United Kingdom |
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| Abstract: | Low cycle fatigue tests were carried out on a model ‘two-dimensional’ polycrystalline nickel-base alloy; that is, a directionally solidified material with near prismatic grains. Grain morphology and orientation were determined using electron back scatter diffraction (EBSD), and polycrystal plasticity analyses carried out for the characterised microstructure with, in principle, identical conditions to the experiment tests. |
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| Keywords: | Low cycle fatigue Crystal plasticity Crack nucleation EBSD |
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