Correlation between physical properties, microstructure and thermo-mechanical behavior of PPS-based composites processed by stamping

This work focuses on the influence of stamping process on physical (glass transition temperature, and degree of crystallinity) and mechanical properties (Young’s modulus, tensile and compressive strengths, and in-plane and interlaminar shear strengths) of polyphenylenesulfide-based carbon fiber fabr...

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Bibliographic Details
Published in:Journal of reinforced plastics and composites 2014-09, Vol.33 (17), p.1656-1668
Main Authors: Blond, D, Vieille, B, Gomina, M, Taleb, L
Format: Article
Language:English
Subjects:
Aging
Correlation
Degree of crystallinity
Engineering Sciences
Glass transition temperature
Laminates
Mechanical properties
Mechanics
Mechanics of materials
Microstructure
Stamping
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Summary:This work focuses on the influence of stamping process on physical (glass transition temperature, and degree of crystallinity) and mechanical properties (Young’s modulus, tensile and compressive strengths, and in-plane and interlaminar shear strengths) of polyphenylenesulfide-based carbon fiber fabric laminates under severe environmental conditions (120℃ and hygrothermal ageing). The results show that stamping as well as hygrothermal ageing increase the glass transition temperature and the degree of crystallinity. Mechanical investigations coupled with fractography studies highlight significant improvements in both interlaminar and compressive properties. Finally, stamping can be considered as a second thermo-compression of consolidated laminates, and the resulting changes in the microstructure can be correlated with higher mechanical properties of polyphenylenesulfide-based laminates under severe conditions.
ISSN:0731-6844
1530-7964
DOI:10.1177/0731684414541846