在TEM下观察了α-钛/钢爆炸复合界面的结合层内,在α-Ti一侧所产生的绝热剪切带(ASB)的微观组织与结构.结合ASB形变热力学状态分析,首次利用高应变速率下由于绝热温升使金属发生动态再结晶,从而导致晶粒组织得以细化.这种细晶组织促进了了超塑形变的发生,很好地解释了在爆炸复合(~106/s)的条件下,ASB内产生的大剪切应变.
Microstructural analysis of the adiabatic shear band (ASB) occured on α-Ti side in α-Ti / mild steel explosive cladding interface were carried out by means of SEM, TEM techniques. Very small equiaxed grains (< 0.1μm) with a low dislocation density were ob
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[10] | StandstormR,LangneborgR.ActaMetall,1975 |
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