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应用科学学报 ›› 2006, Vol. 24 ›› Issue (2): 213-217.

• 论文 • 上一篇    下一篇

聚酰亚胺改性研究中的力学性能测试

董萼良1, 康新2, 林保平3, 何小元1, 汪凤泉1   

  1. 1. 东南大学工程力学系, 江苏南京 210096;
    2. 南京理工大学力学与工程科学系, 江苏南京 210094;
    3. 东南大学化学化工系, 江苏南京 210096
  • 收稿日期:2004-11-06 修回日期:2005-06-20 出版日期:2006-03-31 发布日期:2006-03-31
  • 作者简介:董萼良,副教授,博士生,研究方向:光测实验力学技术及MEMS材料与结构的动静态力学性能测试技术,E-mail:eldong@seu.edu.cn;汪凤泉,教授,博导,研究方向:振动工程及测试技术.
  • 基金资助:
    国家自然科学基金资助项目(10072017)

Mechanical Property Test of Polyimide/SiO2 Film in Polyimide Regeneration Studies

DONG E-liang1, KANG Xin2, LIN Bao-ping3, HE Xiao-yuan1, WANG Feng-quan1   

  1. 1. Department of Engineering Mechanics, Southeast University, Nanjing 210096, China;
    2. Department of Mechanics and Engineering Science, Nanjing University of Science and Technology, Nanjing 210094, China;
    3. Department of Chemical Engineering, Southeast University, Nanjing 210096, China
  • Received:2004-11-06 Revised:2005-06-20 Online:2006-03-31 Published:2006-03-31

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154

被引次数

1

摘要： 讨论了动态力学热分析测试方法,并提出利用数字散斑相关方法测量聚酰亚胺、SiO2合成薄膜的力学性能.为了解决数字散斑相关法不能直接测量较大变形的缺陷,还提出了多级相关算法,并利用亚像素搜索和双线性插值作数据处理.同时又给出了用两种测试方法测量的杨氏模量,并作了比较分析.

关键词: 薄膜, 数字散斑相关法, 力学性能, 聚酰亚胺、SiO2, 动态力学热分析

Abstract: The test method of dynamic mechanical thermal analysis (DMTA) is discussed.Measurement of mechanical properties of the polyimide/SiO2 film using the digital speckle correlation method (DSCM) is proposed.Sub-pixel search and bilinear interpolation are used in digital image processing.As DSCM cannot be used directly in measuring large deformation, an improved multilevel DSCM is proposed.Results of Young's modulus obtained with the two methods are compared.

Key words: film, mechanical property, polyimide/SiO2, dynamic mechanical thermal analysis (DMTA), digital speckle correlation method (DSCM)

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