Real-time measurement of resin shrinkage during cure

被引:41
作者
Schoch, KF [1 ]
Panackal, PA [1 ]
Frank, PP [1 ]
机构
[1] Northrop Grumman Corp, Elect Syst Sector, Linthicum, MD 21090 USA
关键词
shrinkage; DMA; thermoset;
D O I
10.1016/j.tca.2003.12.027
中图分类号
O414.1 [热力学];
学科分类号
摘要
This paper describes a method for in situ determination of shrinkage during cure of thermosets using dynamic mechanical analysis (DMA) instrumentation. The measurement technique correlates shrinkage with gelation so that accumulated stress in the cured system can be assessed. Measurements at elevated temperature are possible. The technique can be adapted to anisotropic shrinkage in systems, such as fiber-reinforced composites, by selection of appropriate sample geometry. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:115 / 118
页数:4
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