选择压力峰值10—20GPa、脉冲宽度0.04—1.6μs等一系列脉冲载荷,利用轻气炮等模拟爆炸硬化过程,探索高锰钢爆炸硬化的微观机制,根据实验结果判断,激波作用后高锰钢中产生的大量孪晶是引起高锰钢爆炸硬化的主要原因。
The explosive hardening of high Mn steel was simulated by using lightgas gun under selected ranges of impact load from 10 to 20 GPa and pulse durationfrom 0.04 to 1.6 μs. The experimental results show that a lot of twins formed inthe shocked high Mn steel may be the principal cause of the explosive hardening.
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