SHOCK-WAVE DECAY AND SPALL STRENGTH IN LASER-MATTER INTERACTION

被引：36

作者：

ELIEZER, S

GAZIT, Y

GILATH, I

机构：

[1] Plasma Physics Department, Soreq Nuclear Research Center

来源：

JOURNAL OF APPLIED PHYSICS | 1990年 / 68卷 / 01期

关键词：

D O I：

10.1063/1.347142

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A new experimental method was developed in order to estimate the decay of the laser-generated shock waves and the dynamic spall pressure. Experiments were performed on aluminum, copper, and unidirectional carbon fiber epoxy composites with impact strain rates of the order of 107 s- 1. The following values for dynamic spall pressure and pressure gradient were obtained (to an accuracy of a factor of two): aluminum [25 kb (kb=kilobars), 60 kb/mm]; copper (20 kb, 180 kb/mm); carbon fiber epoxy composite (0.3 kb, 15 kb/mm) perpendicular to the fiber direction; and (7 kb, 100 kb/mm) when the impact is parallel to the fiber direction.

引用

页码：356 / 358

页数：3

共 12 条

[1]

AHLSTROM HG, 1982, UCRL53107 LAWR LIV N, V2, P242

[2]

CAZENEUVE C, 1985, J PHYS-PARIS, V46, P5

[3] AN INVESTIGATION OF THE MECHANICAL-PROPERTIES OF IMPROVED CARBON-FIBER COMPOSITE-MATERIALS [J].