Dislocation shielding and crack tip deco
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J. Song; W.A. Curtin; T.K. Bhandakkar; H.J. Gao
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Article
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2010
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Elsevier Science
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English
β 908 KB
Anti-shielding of a crack tip by a dislocation is examined at the atomistic level for a simple geometry to test classical singular-crack and recent cohesive-crack models of crack/dislocation interactions. The atomistic model shows that, as an anti-shielding dislocation approaches the crack tip, it c