The principal superplastic deformation mechanism for the alloy is boundary sliding, assistant ones are deformations inside the grains and dislocations creep.
超塑性变形的微观机制是以晶界滑动为主，晶内变形以及位错蠕变起了协调作用。
2
The thermomechanical processing and superplastic deformation behavior of 01420 alloy have been investigated.
对01420合金的形变热处理工艺和超塑性进行了研究。
3
The results showed that grain boundary width and grain boundary form of the aluminum alloy would change during superplastic deformation.