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用高速阴影技术研究K9玻璃中的失效波=Investigations of Failure Waves in K9 Glass Using Shadowgraph
赵剑衡; 谭显祥; 孙承纬; 赵锋; 文尚刚; 张希林; 段祝平
Source Publication爆炸与冲击
2001
Volume21Issue:2Pages:150-156
ISSN1001-1455
Abstract用高速阴影摄影技术研究了爆轰加载下K9 玻璃样品中波的传播和压缩区内损伤破坏的物理图象 和规律。实验中观测到冲击波阵面后有一个移动速度为2. 1~2. 2 mm/μs 的黑色阴影区边界,即失效波(Failure wave) ;实验发现只有当冲击载荷接近材料的HEL 时,在冲击波和失效波之间的区域才有少量的微裂纹成 核和长大,而在冲击载荷较低时却没有观察到;同时实验中观测到失效波萌生于被撞击面,并在两块玻璃的交 界面上观测到失效波的再生。这些结果表明失效波的产生基本与冲击相变无关,主要与玻璃样品表面的初始 损伤有关,换言之,失效波是玻璃样品表面微裂纹在冲击波作用下失稳扩展造成的。
Subject Area力学
Indexed By其他
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/17650
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
赵剑衡,谭显祥,孙承纬,等. 用高速阴影技术研究K9玻璃中的失效波=Investigations of Failure Waves in K9 Glass Using Shadowgraph[J]. 爆炸与冲击,2001,21,2,:150-156.
APA 赵剑衡.,谭显祥.,孙承纬.,赵锋.,文尚刚.,...&段祝平.(2001).用高速阴影技术研究K9玻璃中的失效波=Investigations of Failure Waves in K9 Glass Using Shadowgraph.爆炸与冲击,21(2),150-156.
MLA 赵剑衡,et al."用高速阴影技术研究K9玻璃中的失效波=Investigations of Failure Waves in K9 Glass Using Shadowgraph".爆炸与冲击 21.2(2001):150-156.
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