Hygrothermal Ageing and Life Prediction of Carbon Fiber Composite Structural Members on an Aircraft

The mechanism of hygrothermal ageing of carbon fiber composite structural members was analyzed in terms of changes in appearance, infrared spectra, mechanical properties and internal structure under hygrothermal conditions. Based on ASTM F1980-07, predicted values for the storage life of the structu...

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Bibliographic Details
Published in:Journal of physics. Conference series 2023-04, Vol.2460 (1), p.12085
Main Authors: Zhang, HY, Kong, GQ, Wang, ZS, Wang, J, Li, JY, Chen, QX, Wei, HZ
Format: Article
Language:English
Subjects:
Carbon fibers
Fiber composites
Infrared analysis
Infrared spectra
Life prediction
Mechanical properties
Physics
Storage life
Structural members
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Summary:The mechanism of hygrothermal ageing of carbon fiber composite structural members was analyzed in terms of changes in appearance, infrared spectra, mechanical properties and internal structure under hygrothermal conditions. Based on ASTM F1980-07, predicted values for the storage life of the structural members were obtained. The results show that after hygrothermal ageing, the surface of the structural member remains smooth, with no exposed fibers, degradation or ageing, and that the internal structure and mechanical properties are stable. The life predictions calculated according to the standard are in good agreement with the design life of the actual members.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2460/1/012085