无钴合金钢的冲击响应实验研究

桂毓林; 王彦平; 刘仓理; 孙承纬; 张克明

doi:10.11858/gywlxb.2005.02.005

无钴合金钢的冲击响应实验研究

doi: 10.11858/gywlxb.2005.02.005

中国工程物理研究院流体物理研究所冲击波物理与爆轰物理实验室，四川绵阳 621900

详细信息

通讯作者:
桂毓林

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出版历程
- 收稿日期: 2004-05-08
- 修回日期: 2004-12-22
- 发布日期: 2005-06-05

An Experimental Study on Shock Response of No-Co Steel

Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, CAEP, Mianyang 621900, China

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Corresponding author: GUI Yu-Lin

摘要

摘要: 利用一级轻气炮作为加载手段，研究了无钴合金钢在3~20 GPa压力区间的冲击响应特性。用激光干涉测速VISAR记录了双波结构的自由面速度剖面，并利用常压下的弹性纵波速度近似替代低压冲击下的弹性先驱波速度，确定了无钴合金钢的Hugoniot关系。根据自由面速度反映的层裂信息，给出了无钴合金钢的Hugoniot弹性极限、层裂强度以及层裂片厚度等动态力学参数。
- 冲击动力学 /
- 无钴合金钢 /
- Hugoniot /
- 层裂
Abstract: In this paper, the shock response of no-Co steel is studied, in the impact pressure range from 3 GPa to 20 GPa. The two-wave structural profile of the free surface velocities are recorded by a velocity interferometer system for any reflector (VISAR). Using the material longitudinal elastic wave speed at standard atmosphere instead of the elastic precursor wave speed at low shock pressure, we obtained the Hugoniot relationship between the plastic shock wave speed and the particle velocity for no-Co steel. From the information of the free surface velocity profiles, we also obtained the Hugoniot elastic limit, spall strength, spall thickness.
- shock dynamics /
- no-Co steel /
- Hugoniot /
- spall strength

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参考文献(12)

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