位错攀移越过弥散质点的过程是合金超塑变形的速控过程，超塑变形的主要机制是晶界滑移伴随晶内位错运动。

For the alloy, the dominant mechanism of superplastic deformation is that the boundary sliding process will be accompanied by intragranular dislocations.

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位错攀移越过弥散质点的过程是合金超塑变形的速控过程，超塑变形的主要机制是晶界滑移伴随晶内位错运动。

For the alloy, the dominant mechanism of superplastic deformation is that the boundary sliding process will be accompanied by intragranular dislocations.

youdao