Fibre prestressed composites: theoretical and numerical modelling of unidirectional and plain-weave fibre reinforcement forms
The objective of this study is to analyse the residual stresses induced in fibre prestressed composites. Both theoretical and numerical methods have been included in the analysis. Macro-mechanical approach of fibre reinforced composite has been developed to include the prestressing effect that suita...
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2017
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my.upm.eprints.618812019-11-06T12:00:48Z http://psasir.upm.edu.my/id/eprint/61881/ Fibre prestressed composites: theoretical and numerical modelling of unidirectional and plain-weave fibre reinforcement forms Mostafa, Nawras H. Zahari, Nur Ismarrubie Salit, Mohd Sapuan Hameed Sultan, Mohamed Thariq The objective of this study is to analyse the residual stresses induced in fibre prestressed composites. Both theoretical and numerical methods have been included in the analysis. Macro-mechanical approach of fibre reinforced composite has been developed to include the prestressing effect that suitable for analysing both unidirectional and plain-weave fabric composites. A new simplistic theoretical model was also derived to estimate residual stresses in composite constituents due to releasing the fibre pretension load. This model can be successfully used for composites reinforced by unidirectional fibres. Prestressed composites were modelled numerically in order to validate the theoretical results and estimate the full distribution of residual stresses within the composite constituent more precisely. Good agreement has been obtained between theoretical and numerical results. The results obtained in this study clearly showed that the level of induced residual stresses within the composite constituents depends not only on fibre pretention level, but also on the composite elastic properties. Elsevier 2017-01 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/61881/1/Fibre%20prestressed%20composites.pdf Mostafa, Nawras H. and Zahari, Nur Ismarrubie and Salit, Mohd Sapuan and Hameed Sultan, Mohamed Thariq (2017) Fibre prestressed composites: theoretical and numerical modelling of unidirectional and plain-weave fibre reinforcement forms. Composite Structures, 159. pp. 410-423. ISSN 0263-8223; ESSN: 1879-1085 https://www.sciencedirect.com/science/article/pii/S0263822316307048 10.1016/j.compstruct.2016.09.090 |
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The objective of this study is to analyse the residual stresses induced in fibre prestressed composites. Both theoretical and numerical methods have been included in the analysis. Macro-mechanical approach of fibre reinforced composite has been developed to include the prestressing effect that suitable for analysing both unidirectional and plain-weave fabric composites. A new simplistic theoretical model was also derived to estimate residual stresses in composite constituents due to releasing the fibre pretension load. This model can be successfully used for composites reinforced by unidirectional fibres. Prestressed composites were modelled numerically in order to validate the theoretical results and estimate the full distribution of residual stresses within the composite constituent more precisely. Good agreement has been obtained between theoretical and numerical results. The results obtained in this study clearly showed that the level of induced residual stresses within the composite constituents depends not only on fibre pretention level, but also on the composite elastic properties. |
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Article |
author |
Mostafa, Nawras H. Zahari, Nur Ismarrubie Salit, Mohd Sapuan Hameed Sultan, Mohamed Thariq |
spellingShingle |
Mostafa, Nawras H. Zahari, Nur Ismarrubie Salit, Mohd Sapuan Hameed Sultan, Mohamed Thariq Fibre prestressed composites: theoretical and numerical modelling of unidirectional and plain-weave fibre reinforcement forms |
author_facet |
Mostafa, Nawras H. Zahari, Nur Ismarrubie Salit, Mohd Sapuan Hameed Sultan, Mohamed Thariq |
author_sort |
Mostafa, Nawras H. |
title |
Fibre prestressed composites: theoretical and numerical modelling of unidirectional and plain-weave fibre reinforcement forms |
title_short |
Fibre prestressed composites: theoretical and numerical modelling of unidirectional and plain-weave fibre reinforcement forms |
title_full |
Fibre prestressed composites: theoretical and numerical modelling of unidirectional and plain-weave fibre reinforcement forms |
title_fullStr |
Fibre prestressed composites: theoretical and numerical modelling of unidirectional and plain-weave fibre reinforcement forms |
title_full_unstemmed |
Fibre prestressed composites: theoretical and numerical modelling of unidirectional and plain-weave fibre reinforcement forms |
title_sort |
fibre prestressed composites: theoretical and numerical modelling of unidirectional and plain-weave fibre reinforcement forms |
publisher |
Elsevier |
publishDate |
2017 |
url |
http://psasir.upm.edu.my/id/eprint/61881/1/Fibre%20prestressed%20composites.pdf http://psasir.upm.edu.my/id/eprint/61881/ https://www.sciencedirect.com/science/article/pii/S0263822316307048 |
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