玻璃中失效波传播的实验研究

张延耿; 段卓平; 张连生; 欧卓成; 黄风雷

doi:10.11858/gywlxb.2010.05.003

玻璃中失效波传播的实验研究

doi: 10.11858/gywlxb.2010.05.003

北京理工大学爆炸科学与技术国家重点实验室，北京 100081

详细信息

通讯作者:
段卓平

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出版历程
- 收稿日期: 2009-09-10
- 修回日期: 2009-12-09
- 发布日期: 2010-10-15

Experimental Research on Propergation of Failure Wave in Glass

State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China

More Information

Corresponding author: DUAN Zhuo-Ping

摘要

摘要: 通过轻气炮加载平面撞击实验，采用激光速度干涉仪（VISAR）测量了相同冲击载荷作用下不同厚度Soda-Lime玻璃试件背面的粒子速度，得到了Soda-Lime玻璃中失效波的传播轨迹和传播速度。结果表明：碰撞面上产生的失效波存在一定的初始时间延迟，且延迟时间随载荷增加而减小。研究结果对于深入认识失效波的产生机理及其在各类脆性材料中的传播规律具有重要作用。
- 失效波轨迹 /
- 延迟 /
- 激光速度干涉仪 /
- 浮法玻璃
Abstract: Planar impact experiments of soda-lime glass were conducted on a 57 mm diameter one-stage gas gun, in which the free surface particle velocity histories for several different thicknesses of soda-lime glass under the same impact loading were measured by using VISAR (Velocity Interferometer System for Any Reflector). Both the failure wave velocity and the failure wave trajectory were obtained. The experimental results showed that there is a time delay for the failure wave to form on the impact surface of the soda-lime glass, which decreases with the magnitude of the impact load. The present study plays an important role in further understanding of the formation mechanism and propagation law of failure wave in brittle materials.
- failure wave trajectory /
- time delay /
- VISAR /
- soda-lime glass

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参考文献(21)

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