超塑性合金的差温拉深与立体胀形  

Deep Drawing and Three-dimensional Expand Shape of Super-plastic Alloy

作　　者：张国泽[1] 叶旭明[1] 

机构地区：[1]沈阳大学机械工程学院,辽宁沈阳110044

出　　处：《热加工工艺》2004年第6期43-44,46,共3页Hot Working Technology

摘　　要：在保持坯料的法兰带为高温而凸模被冷却的条件下,对Zn-22%Al超塑性合金板进行深拉延,可以获得极限拉延比达到6.67的超常拉延性能及制品。用胀形的方法制造了形状复杂的工艺品。Deep drawing experiment of the Zn-22% Al super plastic alloy sheet was made by a specific method that the hiqh temperature of the flange zone of a blank was kept and the wall of die was cooled,the remarkable draw ability up to limit of drawing rate 6.67 was obtained.The complex handicraft products have been made with this method.

关 键 词：超塑性合金 深拉延 立体胀形 

分 类 号：TG356[金属学及工艺—金属压力加工]