On the process zone of a quasi-static growing tensile crack with power-law elastic-plastic damage

摘要

Parametric studies are made on the growing crack tip fields under quasi-static tensile loading with damage coupled power-law elastic-plastic constitutive equations. A two-sector demarcation scheme is used. The asymptotic orders and angular distributions of the stress and damage fields are obtained. The shapes of the process zone are also determined. The law of crack growth is formulated as well.