Delamination mechanisms in fiber-reinforced composites structures tested at different loadings
Composite materials are a special class which has some advantages like low weight, high strength and stiffness. For a composite system they are very suitable for aerospace, marine and auto applications due to the low density. Among all the synthetic fibers, carbon fibers are now considered the first...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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National Institute for Aerospace Research “Elie Carafoli” - INCAS
2020-03-01
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| Series: | INCAS Bulletin |
| Subjects: | |
| Online Access: | http://bulletin.incas.ro/files/stefan_pelin_dragomirescu_petre_ilina__vol_12_iss_.pdf |
| _version_ | 1818022858069114880 |
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| author | Adriana STEFAN George PELIN Alina DRAGOMIRESCU Alexandra PETRE Sorina ILINA |
| author_facet | Adriana STEFAN George PELIN Alina DRAGOMIRESCU Alexandra PETRE Sorina ILINA |
| author_sort | Adriana STEFAN |
| collection | DOAJ |
| description | Composite materials are a special class which has some advantages like low weight, high strength and stiffness. For a composite system they are very suitable for aerospace, marine and auto applications due to the low density. Among all the synthetic fibers, carbon fibers are now considered the first material to be used for reinforcement due to their proper cost, as compared to aramid, and better mechanical and physical properties. This paper is an experimental work and presents the preliminary results regarding the evaluation of CFRP prepreg based on M18/1 carbon fiber prepreg developed by manual lay-up/autoclave curing. The obtained materials were tested at different mechanical loads and the failure mode was analyzed with the aim of evaluating their performances. The mechanism by which the fibers are delaminated in the composite system is assessed. To verify if the structure has defects that can interfere with the delamination process, ultrasonic nondestructive testing has been used. Also, for a better understanding of the delamination mechanism, the numerical simulation was used. |
| first_indexed | 2024-12-10T03:35:06Z |
| format | Article |
| id | doaj.art-8767e7259def408484f8919dfd90a54d |
| institution | Directory Open Access Journal |
| issn | 2066-8201 2247-4528 |
| language | English |
| last_indexed | 2024-12-10T03:35:06Z |
| publishDate | 2020-03-01 |
| publisher | National Institute for Aerospace Research “Elie Carafoli” - INCAS |
| record_format | Article |
| series | INCAS Bulletin |
| spelling | doaj.art-8767e7259def408484f8919dfd90a54d2022-12-22T02:03:43ZengNational Institute for Aerospace Research “Elie Carafoli” - INCASINCAS Bulletin2066-82012247-45282020-03-0112117518210.13111/2066-8201.2020.12.1.17Delamination mechanisms in fiber-reinforced composites structures tested at different loadingsAdriana STEFAN0George PELIN1Alina DRAGOMIRESCU2Alexandra PETRE3Sorina ILINA4INCAS ‒ National Institute for Aerospace Research “Elie Carafoli”, B-dul Iuliu Maniu 220, Bucharest 061126, Romania, stefan.adriana@incas.roINCAS ‒ National Institute for Aerospace Research “Elie Carafoli”, B-dul Iuliu Maniu 220, Bucharest 061126, Romania, pelin.george@incas.rodragomirescu.alina@incas.roINCAS ‒ National Institute for Aerospace Research “Elie Carafoli”, B-dul Iuliu Maniu 220, Bucharest 061126, Romania, petre.alexandra@incas.roINCAS ‒ National Institute for Aerospace Research “Elie Carafoli”, B-dul Iuliu Maniu 220, Bucharest 061126, Romania, ilina.sorina@incas.roComposite materials are a special class which has some advantages like low weight, high strength and stiffness. For a composite system they are very suitable for aerospace, marine and auto applications due to the low density. Among all the synthetic fibers, carbon fibers are now considered the first material to be used for reinforcement due to their proper cost, as compared to aramid, and better mechanical and physical properties. This paper is an experimental work and presents the preliminary results regarding the evaluation of CFRP prepreg based on M18/1 carbon fiber prepreg developed by manual lay-up/autoclave curing. The obtained materials were tested at different mechanical loads and the failure mode was analyzed with the aim of evaluating their performances. The mechanism by which the fibers are delaminated in the composite system is assessed. To verify if the structure has defects that can interfere with the delamination process, ultrasonic nondestructive testing has been used. Also, for a better understanding of the delamination mechanism, the numerical simulation was used.http://bulletin.incas.ro/files/stefan_pelin_dragomirescu_petre_ilina__vol_12_iss_.pdfdelaminationcomposite materialsautoclavemechanical testingndt testingoptical microscopyprepreg |
| spellingShingle | Adriana STEFAN George PELIN Alina DRAGOMIRESCU Alexandra PETRE Sorina ILINA Delamination mechanisms in fiber-reinforced composites structures tested at different loadings INCAS Bulletin delamination composite materials autoclave mechanical testing ndt testing optical microscopy prepreg |
| title | Delamination mechanisms in fiber-reinforced composites structures tested at different loadings |
| title_full | Delamination mechanisms in fiber-reinforced composites structures tested at different loadings |
| title_fullStr | Delamination mechanisms in fiber-reinforced composites structures tested at different loadings |
| title_full_unstemmed | Delamination mechanisms in fiber-reinforced composites structures tested at different loadings |
| title_short | Delamination mechanisms in fiber-reinforced composites structures tested at different loadings |
| title_sort | delamination mechanisms in fiber reinforced composites structures tested at different loadings |
| topic | delamination composite materials autoclave mechanical testing ndt testing optical microscopy prepreg |
| url | http://bulletin.incas.ro/files/stefan_pelin_dragomirescu_petre_ilina__vol_12_iss_.pdf |
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