爆炸加载条件下工业纯铁的冶金效应

材料科学与工艺, 2001, 9(4): 371-374. doi: 10.3969/j.issn.1005-0299.2001.04.009

爆炸加载条件下工业纯铁的冶金效应

杨卓越 ^1, , 王富耻 ^2, , 李树奎 ^3, , 王鲁 ^4,

1.北京理工大学机械工程与自动化学院,

2.北京理工大学机械工程与自动化学院,

3.北京理工大学机械工程与自动化学院,

4.北京理工大学机械工程与自动化学院,

关键词：爆炸加载 , 动态回复 , 动态再结晶 , 塑性变形

Metallurgical effect occurred in pure iron subjected to explosive loading

针对内部爆炸加载的工业纯铁圆管和爆炸成形弹丸非常高的宏观塑性变形,对相应的微观组织进行了观察.结果表明:塑性变形时纯铁内发生动态回复和动态再结晶,这与冲击波引起的绝热温升和塑性变形功产生的绝热温升有关;动态回复和动态再结晶的软化作用使纯铁具有较高的塑性变形能力.

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