激光加载下材料微层裂破碎过程的超高速摄影

赵新才; 李英华; 冉茂杰; 李剑; 刘宁文; 张林; 叶雁; 彭其先

doi:10.3788/OPE.20172513.0007

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激光加载下材料微层裂破碎过程的超高速摄影

现代应用光学 | 更新时间：2020-08-13

- 激光加载下材料微层裂破碎过程的超高速摄影
- Analyzing microfiltration process of material under laser loading by ultrahigh-speed framing photography
- 光学精密工程 2017年25卷第10s期页码：7-11
- 作者机构：
  
  中国工程物理研究院流体物理研究所,四川绵阳,621900
- 作者简介：
- 基金信息：
  
  中国工程物理研究院发展基金资助项目（No.2014B0401080）()
- DOI：10.3788/OPE.20172513.0007
  中图分类号： O381;TN29
- 收稿日期：2017-05-09，
  
  修回日期：2017-06-12，
  
  纸质出版日期：2017-11-25
- 稿件说明：
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赵新才, 李英华, 冉茂杰等. 激光加载下材料微层裂破碎过程的超高速摄影[J]. 光学精密工程, 2017,25(10s): 7-11

ZHAO Xin-cai, LI Ying-hua, RAN Mao-jie etc. Analyzing microfiltration process of material under laser loading by ultrahigh-speed framing photography[J]. Editorial Office of Optics and Precision Engineering, 2017,25(10s): 7-11
赵新才, 李英华, 冉茂杰等. 激光加载下材料微层裂破碎过程的超高速摄影[J]. 光学精密工程, 2017,25(10s): 7-11 DOI： 10.3788/OPE.20172513.0007.

ZHAO Xin-cai, LI Ying-hua, RAN Mao-jie etc. Analyzing microfiltration process of material under laser loading by ultrahigh-speed framing photography[J]. Editorial Office of Optics and Precision Engineering, 2017,25(10s): 7-11 DOI： 10.3788/OPE.20172513.0007.

摘要

材料在强冲击波加载下发生的微层裂破碎是冲击波物理研究的一个热点问题，在国防领域有着重要的应用。本文以高纯铝、高纯锡以及含氦泡铝等材料为研究对象，采用超高速光电分幅相机搭建了实验平台，建立了精密诊断实验技术，针对高能激光加载下材料的微层裂破碎过程进行了研究，获得了10

~10

/s超高应变率下材料的破碎过程的实验图像，并对实验现象进行了分析讨论。实验表明，本文开发的测量技术可应用于材料的破碎特性研究，为进一步开展材料微层裂破碎规律研究提供了有效实验数据。

Abstract

As a research focus

the micro-capsule fracture of the material under strong shock wave loading plays an important role in the field of defense. Herein

selecting high purity aluminum

high purity tin and helium bubble aluminum as the research object

an experimental platform was built by using self developed ultra high-speed photoelectric framing camera and a sophisticated diagnostic test technique of high speed photograph was established. The micro-filtration process of the material under high energy laser loading was studied

and a clear image of the broken process in 10

~10

/s was captured for analyzing the experimental phenomena. The results show that the measurement technique established in this paper can be employed to study crushing characteristics of the material

which provides effective experimental data for the further study of micro fracture of the material.

关键词

Keywords

references

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