一、前言用于冲压成型的08 Al薄板性能的优劣通过冲压性能考核。因而,如何提高其冲压成型性一直是人们十分重视的课题,并对影响冲压性能的冶金因素进行了大量研究。实践证明,由于冲压成型时变形过程的复杂性,仅仅采用常规的力学性能参数如:屈服强度,抗张强度,延伸率,断面收缩率以及 I. INTRODUCTION The pros and cons of 08 Al sheets for stamping are evaluated by stamping performance. Therefore, how to improve the stamping formability has always been a topic of great concern to people and a great deal of research has been done on the metallurgical factors that affect the stamping performance. Practice has proved that due to the complexity of the deformation process during stamping, only conventional mechanical properties such as: yield strength, tensile strength, elongation, reduction of area and