Effect of Strain Rate on the Transverse Tension and Compression Behavior of a Unidirectional Non-Crimp Fabric Carbon Fiber/Snap-Cure Epoxy Composite
The strain rate-dependent behavior of a unidirectional non-crimp fabric (UD-NCF) carbon fiber/snap-cure epoxy composite loaded along the transverse direction under quasi-static and dynamic conditions was characterized. Transverse tension and compression tests at quasi-static and intermediate strain...
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| Format: | Article |
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MDPI AG
2021-11-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/14/23/7314 |
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| author | Khizar Rouf Aaditya Suratkar Jose Imbert-Boyd Jeffrey Wood Michael Worswick John Montesano |
| author_facet | Khizar Rouf Aaditya Suratkar Jose Imbert-Boyd Jeffrey Wood Michael Worswick John Montesano |
| author_sort | Khizar Rouf |
| collection | DOAJ |
| description | The strain rate-dependent behavior of a unidirectional non-crimp fabric (UD-NCF) carbon fiber/snap-cure epoxy composite loaded along the transverse direction under quasi-static and dynamic conditions was characterized. Transverse tension and compression tests at quasi-static and intermediate strain rates were performed using hydraulic testing machines, while a split Hopkinson pressure bar (SHPB) apparatus was used for transverse compression tests at high strain rates. A pulse shaper was used on the SHPB apparatus to ensure dynamic equilibrium was achieved and that the test specimens deformed homogenously with a nearly constant strain rate. The transverse tensile strength at a strain rate of 16 s<sup>−1</sup> increased by 16% when compared to that at quasi-static strain rates, while distinct localized fracture surface morphology was observed for specimens tested at different strain rates. The transverse compressive yield stress and strength at a strain rate of 325 s<sup>−1</sup> increased by 94% and 96%, respectively, when compared to those at quasi-static strain rates. The initial fracture plane orientation for the transverse compression tests was captured with high-speed cameras and found to increase with increasing strain rate. The study provides an important data set for the strain rate-dependent response of a UD-NCF composite material, while the qualitative fracture surface observations provide a deeper understanding of the failure characteristics. |
| first_indexed | 2024-03-10T04:49:36Z |
| format | Article |
| id | doaj.art-aa6fad86a02f465aaf012c36cb9ea08c |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-10T04:49:36Z |
| publishDate | 2021-11-01 |
| publisher | MDPI AG |
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| series | Materials |
| spelling | doaj.art-aa6fad86a02f465aaf012c36cb9ea08c2023-11-23T02:41:34ZengMDPI AGMaterials1996-19442021-11-011423731410.3390/ma14237314Effect of Strain Rate on the Transverse Tension and Compression Behavior of a Unidirectional Non-Crimp Fabric Carbon Fiber/Snap-Cure Epoxy CompositeKhizar Rouf0Aaditya Suratkar1Jose Imbert-Boyd2Jeffrey Wood3Michael Worswick4John Montesano5Mechanical and Mechatronics Engineering Department, University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G1, CanadaMechanical and Materials Engineering Department, Western University, 1151 Richmond Street N, London, ON N6A 5B9, CanadaMechanical and Mechatronics Engineering Department, University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G1, CanadaMechanical and Materials Engineering Department, Western University, 1151 Richmond Street N, London, ON N6A 5B9, CanadaMechanical and Mechatronics Engineering Department, University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G1, CanadaMechanical and Mechatronics Engineering Department, University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G1, CanadaThe strain rate-dependent behavior of a unidirectional non-crimp fabric (UD-NCF) carbon fiber/snap-cure epoxy composite loaded along the transverse direction under quasi-static and dynamic conditions was characterized. Transverse tension and compression tests at quasi-static and intermediate strain rates were performed using hydraulic testing machines, while a split Hopkinson pressure bar (SHPB) apparatus was used for transverse compression tests at high strain rates. A pulse shaper was used on the SHPB apparatus to ensure dynamic equilibrium was achieved and that the test specimens deformed homogenously with a nearly constant strain rate. The transverse tensile strength at a strain rate of 16 s<sup>−1</sup> increased by 16% when compared to that at quasi-static strain rates, while distinct localized fracture surface morphology was observed for specimens tested at different strain rates. The transverse compressive yield stress and strength at a strain rate of 325 s<sup>−1</sup> increased by 94% and 96%, respectively, when compared to those at quasi-static strain rates. The initial fracture plane orientation for the transverse compression tests was captured with high-speed cameras and found to increase with increasing strain rate. The study provides an important data set for the strain rate-dependent response of a UD-NCF composite material, while the qualitative fracture surface observations provide a deeper understanding of the failure characteristics.https://www.mdpi.com/1996-1944/14/23/7314non-crimp fabric compositessnap-cure epoxysplit Hopkinson pressure bardynamic testingpulse shapingtransverse tension |
| spellingShingle | Khizar Rouf Aaditya Suratkar Jose Imbert-Boyd Jeffrey Wood Michael Worswick John Montesano Effect of Strain Rate on the Transverse Tension and Compression Behavior of a Unidirectional Non-Crimp Fabric Carbon Fiber/Snap-Cure Epoxy Composite Materials non-crimp fabric composites snap-cure epoxy split Hopkinson pressure bar dynamic testing pulse shaping transverse tension |
| title | Effect of Strain Rate on the Transverse Tension and Compression Behavior of a Unidirectional Non-Crimp Fabric Carbon Fiber/Snap-Cure Epoxy Composite |
| title_full | Effect of Strain Rate on the Transverse Tension and Compression Behavior of a Unidirectional Non-Crimp Fabric Carbon Fiber/Snap-Cure Epoxy Composite |
| title_fullStr | Effect of Strain Rate on the Transverse Tension and Compression Behavior of a Unidirectional Non-Crimp Fabric Carbon Fiber/Snap-Cure Epoxy Composite |
| title_full_unstemmed | Effect of Strain Rate on the Transverse Tension and Compression Behavior of a Unidirectional Non-Crimp Fabric Carbon Fiber/Snap-Cure Epoxy Composite |
| title_short | Effect of Strain Rate on the Transverse Tension and Compression Behavior of a Unidirectional Non-Crimp Fabric Carbon Fiber/Snap-Cure Epoxy Composite |
| title_sort | effect of strain rate on the transverse tension and compression behavior of a unidirectional non crimp fabric carbon fiber snap cure epoxy composite |
| topic | non-crimp fabric composites snap-cure epoxy split Hopkinson pressure bar dynamic testing pulse shaping transverse tension |
| url | https://www.mdpi.com/1996-1944/14/23/7314 |
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