A Dislocation Model for Fatigue Crack Initiation

DOI10.1115/1.3157599zbMath0449.73110OpenAlexW2025495981MaRDI QIDQ3896667

Keisuke Tanaka, Toshio Mura

Publication date: 1981

Published in: Journal of Applied Mechanics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1115/1.3157599

zbMATH Keywords

crack initiationslip bandcontinuously distributed dislocationspolycrystalline metalsagreement with Coffin-Manson type lawdislocations with different signsequation of Petch typelow strain fatiguemonotonic buildup of dislocation dipoles piled up at grain boundary

Mathematics Subject Classification ID

Linear elasticity with initial stresses (74B10) Fracture and damage (74R99) Brittle damage (74R05)

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An energy-based microstructure model to account for fatigue scatter in polycrystals ⋮ Machine learning of nonlocal micro-structural defect evolutions in crystalline materials ⋮ The role of grain boundaries on fatigue crack initiation -- an energy approach ⋮ The interaction between a penny-shaped crack and a spherical inhomogeneity in an infinite solid under uniaxial tension ⋮ Numerical modelling of fatigue crack initiation of martensitic steel ⋮ Effects of microstructure variability on intrinsic fatigue resistance of nickel-base superalloys - a computational micromechanics approach ⋮ Generalized Continuum Modelling of Crystal Plasticity

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