| 数字散斑相关方法测量聚酰亚胺无机纳米杂化材料的热膨胀系数 |
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| 引用本文： | 毕博,高志敖,张以河,刘战伟,谢惠民. 数字散斑相关方法测量聚酰亚胺无机纳米杂化材料的热膨胀系数[J]. 高分子材料科学与工程, 2006, 22(1): 119-122 |
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| 作者姓名： | 毕博 高志敖 张以河 刘战伟 谢惠民 |
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| 作者单位： | 1. 清华大学航天航空学院,北京,100084
2. 中国科学院理化技术所,北京,100101 |
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| 基金项目： | 教育部优秀青年教师资助计划;教育部重点项目;国家重点基础研究发展计划(973计划);广东省博士启动基金 |
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| 摘 要： | 利用数字散斑相关方法计算在不同温度下聚酰亚胺无机纳米杂化膜的变形量,并以此计算出聚酰亚胺无机纳米杂化膜的热膨胀系数。实验中同时测量了掺杂有不同浓度粘土、云母和二氧化硅类无机物的聚酰亚胺薄膜的热膨胀系数,并对实验结果进行了分析。
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| 关 键 词： | 数字散斑相关 热膨胀系数 聚酰亚胺无机纳米杂化 |
| 文章编号： | 1000-7555（2006）01-0119-04 |
| 收稿时间： | 2004-11-23 |
| 修稿时间： | 2005-01-25 |
A STUDY ON CTE OF NANO-INORGANIC HYBRIDED POLYIMIDE USING DSCM |
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| BI Bo,GAO Zhi-auo,ZHANG Yi-he,LIU Zhan-wei,XIE Hui-min. A STUDY ON CTE OF NANO-INORGANIC HYBRIDED POLYIMIDE USING DSCM[J]. Polymer Materials Science & Engineering, 2006, 22(1): 119-122 |
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| Authors: | BI Bo GAO Zhi-auo ZHANG Yi-he LIU Zhan-wei XIE Hui-min |
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| Affiliation: | 1. School of Aerospace, Tsinghua University, Beijing 100084, China; 2. Technical Institute of Physics and Chemistry of CAS, Beijing 100101, China |
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| Abstract: | Polyimide(PI) has been considered to be suitable matrix polymers for advanced technological applications in the microelectronics,aerospace,machine industries,due to it possess excellent chemical,physical,thermal and mechanical properties.And,nano-inorganic hybrided polyimide,acquired by introducing nanometer material into the PI matrix,has more excellent behavior due to some properties of nano-inorganic granule such as low water-absorbing and low coefficient of thermal expansion(CTE).In this paper,thermal deformation of nano-inorganic hybrided polyimide at varied temperature was measured using the digital speckle correlation method(DSCM). And then,the CTE was calculated.In the experiment,the behavior of the PI films mixed with the different density of clay,mica and Silica was studied and the experimental result was analyzed. |
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| Keywords: | DSCM CTE nano-inorganic hybrided polyimide |
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