首页|Influence of material parameters on plasticity induced crack closure
Influence of material parameters on plasticity induced crack closure
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Plasticity Induced Crack Closure (PICC) is an important fatigue phenomenon affecting crack growth under cyclic loading, which makes important to consider it in the design of components. In this paper a parametric study that correlates elastic-plastic material parameters with plasticity induced crack closure (PICC) is presented. Yield stress and hardening coefficient were selected as the material parameters of interest and a sensitivity analysis was developed. The influence of the different parameters on PICC is explained based on the analysis of crack tip micromechanisms for plastic deformation.
plasticity induced crack closurefinite element methodmaterial constants
DM Rodrigues、FV Antunes、R Branco
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CEMUC, Rua Luis Reis Santos, Department of Mechanical Engineering, Polo II, University of Coimbra, Portugal
Department of Mechanical Engineering, Instituto Superior de Engenharia de Coimbra Rua Pedro Nunes, Quinta da Nora, 3030 Coimbra, Portugal
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