The Criterion of Variable COD and CTOA for Numerical Simulation with Aluminum Alloy 2524
The performance research of Friction Stir Weld’s Joints of Aluminum Alloy under different welding parameters is very necessary and valuable in the engineering. Two points is proposed in this paper. One is the new fracture criterion using the function curve of the value of critical crack opening displacement (|CODc|) as a fracture parameter, the other is using critical crack opening angle (CTOA) as a fracture parameter.
L. J. Shi et al., "The Criterion of Variable COD and CTOA for Numerical Simulation with Aluminum Alloy 2524", Advanced Materials Research, Vols. 261-263, pp. 707-711, 2011