Theoretical analysis on needle-punched carbon/carbon composites

© 2019, Springer Nature B.V. Needle-punched carbon/carbon composites (NP-C/Cs) are advanced materials widely used in aerospace applications. The needle-punching technique improves the integrality of carbon-fibre plies, however, it also introduces many defects, affecting the mechanical behavior of NP...

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Bibliographic Details
Main Authors: Meng Han, Vadim Silberschmidt
Format: Default Article
Published: 2019
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Online Access:https://hdl.handle.net/2134/38102
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Summary:© 2019, Springer Nature B.V. Needle-punched carbon/carbon composites (NP-C/Cs) are advanced materials widely used in aerospace applications. The needle-punching technique improves the integrality of carbon-fibre plies, however, it also introduces many defects, affecting the mechanical behavior of NP-C/Cs. A theoretical model of irregular beams is suggested to investigate the mechanical behavior of unidirectional needle-punched carbon/carbon composites. Stress distributions in punched and squeezed fibres and an effect of the needle-punching technology are assessed.