Abstract The influence factors, such as grid size, evaluating phase and evaluating position,in determination of forming limit curves (FLCs) were researched by dynamic strain determination method.

• 摘要 采用动态应变测量方法对成形极限曲线（FLC）检测中网格的大小，测量的时机(破裂前或破裂后测量)，测量的位置等因素进行了试验研究。