摘要
埋入材料中的应力计在动态载荷下的响应是动态测试领域中一个重要的课题。箔式锰铜应力计在动态载荷下的屈服强度能够通过分析其标定曲线得到 ,这一分析方法利用了ResenbergZ和Par tomY推导的锰铜电阻变化的基本关系式 ,适用于应力计在加载中处于塑性增强的阶段。本文通过平板撞击实验得到了箔式锰铜计在 1.5～ 9.0GPa范围下的动态屈服强度 ,与国外数据比较 ,结果较为吻合。
The response of stress gauges embedded in shock loaded materials is important in the field of dynamic measurement. Variation of yield strength with shock pressure of foil like manganin gauges can be determined by analyzing their dynamic calibration curve. The analysis was based on the assumption that the material behaves as an elastoplastic work hardened solid and on the general expression for the resistance change of manganin derived by Rosenberg Z and Partom Y. In the present paper was given the dynamic yield strength of the foil like manganin gauge for shock stress in the range of 1.5 ～ 9.0 GPa by planar shock wave experiments.
出处
《兵工学报》
EI
CAS
CSCD
北大核心
2003年第3期408-411,共4页
Acta Armamentarii
