真空逸气对复合材料尺寸稳定性的影响

袁野; 鲍赫; 李志来

doi:10.3788/OPE.20152309.2533

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真空逸气对复合材料尺寸稳定性的影响

微纳技术与精密机械 | 更新时间：2020-08-12

- 真空逸气对复合材料尺寸稳定性的影响
- Effect of vacuum outgassing on dimensional stability of composite materials
- 光学精密工程 2015年23卷第9期页码：2533-2539
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
- 作者简介：
- 基金信息：
  
  国家863高技术研究发展计划资助项目(No.2009AA7020107)()
- DOI：10.3788/OPE.20152309.2533
  中图分类号： V251.2;V257.1
- 收稿日期：2014-12-05，
  
  修回日期：2015-01-20，
  
  纸质出版日期：2015-09-25
- 稿件说明：
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袁野, 鲍赫, 李志来. 真空逸气对复合材料尺寸稳定性的影响[J]. 光学精密工程, 2015,23(9): 2533-2539

YUAN Ye, BAO He, LI Zhi-lai. Effect of vacuum outgassing on dimensional stability of composite materials[J]. Editorial Office of Optics and Precision Engineering, 2015,23(9): 2533-2539
袁野, 鲍赫, 李志来. 真空逸气对复合材料尺寸稳定性的影响[J]. 光学精密工程, 2015,23(9): 2533-2539 DOI： 10.3788/OPE.20152309.2533.

YUAN Ye, BAO He, LI Zhi-lai. Effect of vacuum outgassing on dimensional stability of composite materials[J]. Editorial Office of Optics and Precision Engineering, 2015,23(9): 2533-2539 DOI： 10.3788/OPE.20152309.2533.

摘要

为验证聚合物基体在真空环境产生的逸气效应对复合材料尺寸稳定性的影响

对环氧树脂和氰酸脂两种基体的碳纤维复合材料的真空逸气性能进行了试验研究。首先从理论上分析了膨胀系数与逸气系数之间的关系

获得了二者尺寸稳定性存在差异的理论依据。然后设计了能够精确测量尺寸和质量变化的试验组件

按照卫星环境试验条件对多组试验组件进行了3轮真空试验

精确测量了试验前后试验组件的尺寸和质量。试验结果表明:环氧树脂基体和氰酸脂基体的复合材料质损率(TML)分别为0.033%~0.06%和0.014%~0.029%;环氧树脂基体和氰酸脂基体的复合材料尺寸变化量分别为2~8 μm和1~3 μm。另外

环氧树脂基试件的质量变化约为氰酸脂基的2倍

说明两种材料在真空环境下的尺寸稳定性有差异。

Abstract

To verify the influence of outgassing effects of polymer matrix in a vacuum environment on the dimensional stability of composite materials

this paper researches the outgassing properties of carbon fiber composite materials on the epoxy and cyanate resin matrixes. Firstly

the relation between expansion coefficient and outgassing coefficient was analyzed theoretically. Then

the test assemblies were designed to accurately measure their changes in the size and the mass. Finally

vacuum tests were carried out three times for several groups of test assemblies according to the demands of satellite environmental test conditions. Experimental results on the sizes and mass of these test assemblies show that the mass loss rates (TML) of epoxy matrix and cyanate resin matrix composite materials are approximately 0.033%—0.06% and 0.014%—0.029% respectively. Moreover

the size changes of epoxy matrix and cyanate resin matrix composite materials are about 2—8 μm

and 1—3 μm respectively. The mass change of the former is 2 times that of the latter

which means the dimensional stability of two kind of composite materials has different in the vacuum environment.

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