In-situ characterization of thermal degradation in graphite/polymeric composites

被引：0
|
作者：
Ohno, S [1 ]
Lin, KY [1 ]
Ohuchi, FS [1 ]
机构：
[1] Univ Washington, Dept Aeronaut & Astronaut, Seattle, WA 98195 USA
来源：
COLLECTION OF THE 41ST AIAA/ASME/ASCE/AHS/ASC STRUCTURES, STRUCTURAL DYNAMICS, AND MATERIALS CONFERENCE AND EXHIBIT, VOL 1 PTS 1-3 | 2000年
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D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Thermal degradation mechanisms of IM7/BMI5260 have been characterized using the x-ray photoelectron spectroscopy (XPS). A new technique based on differential charging concepts was developed to separately investigate the effect of aging on fiber and resin. In addition, an in-situ oxidation chamber was constructed to simulate the oxygen reaction to the composite in a controlled environment. The results show that degradation of the IM7/BMI5260 composites is caused by the formation of the carbonyl due to the short term oxidation and then followed by the formation of CO2 in the resin during the long term oxidation.
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页码：1456 / 1464
页数：5
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