基于两种不同成分、两种不同热处理状态的亚共析钢的帽型试样强迫剪切实验,在Hopkinson压杆的不同速度加载条件下,研究了材料动态响应的微结构特征,分析了铁素体含量对绝热剪切的影响规律.结果表明,随着铁素体含量的减少,剪切带宽度越窄,绝热剪切越敏感.
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