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Effect of Strain Rate on Tensile Properties of Carbon Fiber-Reinforced Epoxy Laminates with Different Stacking Sequences and Ply Orientations

In practical application situations, a carbon fiber-reinforced polymer (CFRP) is often subjected to complex dynamic loadings. The effect of the strain rate on mechanical properties is very important for the CFRP design and product development. In this work, static and dynamic tensile properties of C...

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Autores principales: Gao, Donglin, Bao, Zuguo, Han, Weijian, Wang, Xianpeng, Huang, Shiyao, Huang, Li, Chen, Qiuren, Zhao, Hailong, Xu, Yahong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10303172/
https://www.ncbi.nlm.nih.gov/pubmed/37376357
http://dx.doi.org/10.3390/polym15122711
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author Gao, Donglin
Bao, Zuguo
Han, Weijian
Wang, Xianpeng
Huang, Shiyao
Huang, Li
Chen, Qiuren
Zhao, Hailong
Xu, Yahong
author_facet Gao, Donglin
Bao, Zuguo
Han, Weijian
Wang, Xianpeng
Huang, Shiyao
Huang, Li
Chen, Qiuren
Zhao, Hailong
Xu, Yahong
author_sort Gao, Donglin
collection PubMed
description In practical application situations, a carbon fiber-reinforced polymer (CFRP) is often subjected to complex dynamic loadings. The effect of the strain rate on mechanical properties is very important for the CFRP design and product development. In this work, static and dynamic tensile properties of CFRP with different stacking sequences and ply orientations were investigated. The results showed that the tensile strengths of CFRP laminates were sensitive to the strain rate, while Young’s modulus was independent of the strain rate. Moreover, the strain rate effect was related to the stacking sequences and ply orientations. The experimental results showed that the strain rate effects of the cross-ply laminates and quasi-isotropic-ply laminates were lower than that of the unidirectional-ply laminates. Finally, the failure modes of CFRP laminates were investigated. Failure morphology demonstrated that the differences in strain rate effects among cross-ply laminates, quasi-isotropic-ply laminates, and unidirectional-ply laminates were caused by the mismatch between the fiber and the matrix when the strain rate increased.
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spelling pubmed-103031722023-06-29 Effect of Strain Rate on Tensile Properties of Carbon Fiber-Reinforced Epoxy Laminates with Different Stacking Sequences and Ply Orientations Gao, Donglin Bao, Zuguo Han, Weijian Wang, Xianpeng Huang, Shiyao Huang, Li Chen, Qiuren Zhao, Hailong Xu, Yahong Polymers (Basel) Article In practical application situations, a carbon fiber-reinforced polymer (CFRP) is often subjected to complex dynamic loadings. The effect of the strain rate on mechanical properties is very important for the CFRP design and product development. In this work, static and dynamic tensile properties of CFRP with different stacking sequences and ply orientations were investigated. The results showed that the tensile strengths of CFRP laminates were sensitive to the strain rate, while Young’s modulus was independent of the strain rate. Moreover, the strain rate effect was related to the stacking sequences and ply orientations. The experimental results showed that the strain rate effects of the cross-ply laminates and quasi-isotropic-ply laminates were lower than that of the unidirectional-ply laminates. Finally, the failure modes of CFRP laminates were investigated. Failure morphology demonstrated that the differences in strain rate effects among cross-ply laminates, quasi-isotropic-ply laminates, and unidirectional-ply laminates were caused by the mismatch between the fiber and the matrix when the strain rate increased. MDPI 2023-06-17 /pmc/articles/PMC10303172/ /pubmed/37376357 http://dx.doi.org/10.3390/polym15122711 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Gao, Donglin
Bao, Zuguo
Han, Weijian
Wang, Xianpeng
Huang, Shiyao
Huang, Li
Chen, Qiuren
Zhao, Hailong
Xu, Yahong
Effect of Strain Rate on Tensile Properties of Carbon Fiber-Reinforced Epoxy Laminates with Different Stacking Sequences and Ply Orientations
title Effect of Strain Rate on Tensile Properties of Carbon Fiber-Reinforced Epoxy Laminates with Different Stacking Sequences and Ply Orientations
title_full Effect of Strain Rate on Tensile Properties of Carbon Fiber-Reinforced Epoxy Laminates with Different Stacking Sequences and Ply Orientations
title_fullStr Effect of Strain Rate on Tensile Properties of Carbon Fiber-Reinforced Epoxy Laminates with Different Stacking Sequences and Ply Orientations
title_full_unstemmed Effect of Strain Rate on Tensile Properties of Carbon Fiber-Reinforced Epoxy Laminates with Different Stacking Sequences and Ply Orientations
title_short Effect of Strain Rate on Tensile Properties of Carbon Fiber-Reinforced Epoxy Laminates with Different Stacking Sequences and Ply Orientations
title_sort effect of strain rate on tensile properties of carbon fiber-reinforced epoxy laminates with different stacking sequences and ply orientations
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10303172/
https://www.ncbi.nlm.nih.gov/pubmed/37376357
http://dx.doi.org/10.3390/polym15122711
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