Ductile fracture model for structural steel under cyclic large strain loading
Abstract
This paper aims to predict ductile fracture of mild steel under cyclic large strain loading (CLSL) using only tensile coupon test results. A micromechanics-based fracture model which adopts void growth model and Miner's rule in incremental form is proposed, where fracture is assumed to occur when a damage index reaches unit. Damage is postulated not to accumulate when stress triaxiality is less than a threshold. To calibrate the fracture model,...
Paper Details
Title
Ductile fracture model for structural steel under cyclic large strain loading
Published Date
Mar 1, 2015
Volume
106
Pages
110 - 121
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