几种不同硬度和热导率的钢中的绝热剪切带特征

1.北京理工大学,北京,100081

2.北京理工大学,北京,100081

3.北京理工大学,北京,100081

4.北京理工大学,北京,100081

5.北京理工大学,北京,100081

基金项目: 国家重点基础研究发展计划(973计划)(TTJ01)

Characteristics of Adiabatic Shear Bands in Several Steels with Different Hardness and Thermal Conductivity

研究了几种不同硬度和热导率的钢铁材料在约束爆破条件下的绝热剪切带特征.研究结果表明:钢的高硬度和低热导率有利于形成相变带;反之,则倾向于形成形变带;对于具有高硬度和高热导率的钢,由于高温相变带区域的热量迅速传递到周围的基体组织而使其温度升高、硬度降低,形成的相变带会向形变带转化.

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