黏接界面试件拉伸变形破坏过程的数字散斑相关方法分析

姜爱民; 李高春; 郭宇; 邱欣; 王玉峰

黏接界面试件拉伸变形破坏过程的数字散斑相关方法分析

1. 海军航空工程学院飞行器工程系, 山东烟台 264001;
2. 中国航天科工集团公司六院四十一所, 呼和浩特 010010

详细信息

作者简介:
姜爱民（1970- ），女，山东荣成人，副教授，博士生，主要从事黏接界面力学性能研究.

中图分类号: V512
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出版历程
- 收稿日期: 2013-10-24
- 刊出日期: 2014-05-28

Investigation on adhesive interface specimen deformation and failure process under tension using digital speckle correlation method

1. Department of Aircraft Engineering, Naval Aeronautical and Astronautical University, Yantai Shangdong 264001, China;
2. The 41st Institute of the 6th Academy, China Aerospace Science and Industry Corporation, Hohhot 010010, China

摘要

摘要: 对黏接界面试件拉伸变形破坏过程进行了观察，通过编制数字散斑相关方法（DSCM）处理图像，提取得到试件表面随着载荷变化而变化的位移场和应变场及其演化过程.结果表明：带预制脱黏黏接界面试件在拉伸过程中，由于预制脱黏尖端附近产生应变集中将产生起裂.DSCM能较好地应用于黏接界面试件表面的变形和破坏分析中，定量测量了界面变形场，并与试验结果相吻合.
- 黏接界面 /
- 数字散斑相关方法 /
- 变形破坏 /
- 变形场 /
- 固体火箭发动机
Abstract: The deformation and failure process of adhesive interface specimen under tension was observed. By digital speckle correlation method (DSCM) to deal with images, displacement and strain field of speciman surface varying with load and their evolution process were achieved. The results show that during the tensile process the adhesive interface specimen with stress-release flap could be vulnerable crack at the tip of stress-release flap because of strain concentration. DSCM is an effective experimental method for studying characteristic of deformation and failure of adhesive interface specimen. The quantificational measurement results of adhesive interface deformation field are consistent with the data obtained from the experiment.
- adhesive interface /
- digital speckle correlation method /
- deformation and failure /
- deformation field /
- solid rocket motor

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参考文献(19)

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