About this Abstract |
Meeting |
2024 ASC Technical Conference, US-Japan Joint Symposium, D30 Meeting
|
Symposium
|
2024 ASC Technical Conference, US-Japan Joint Symposium, D30 Meeting
|
Presentation Title |
Material characterization of flat laminate of carbon fiber reinforced plastic with filament winding structure manufactured on a hexagonal shaped mandrel |
Author(s) |
Takeshi Watanabe, Yusuke Tsuchiyama, Yuta Urushiyama, Michael Bruyneel, Hsumin Huang |
On-Site Speaker (Planned) |
Takeshi Watanabe |
Abstract Scope |
We state an analysis of a composite overwrapped pressure vessel with carbon fiber reinforced plastic (CFRP) manufactured by filament winding (FW). CFRP manufactured on a curvature of a vessel by FW has ply interlacement structures with uniqueness and complexity. Classically, material characterization is performed experimentally by using flat laminate coupons with specific fiber orientations. Then, it is important to use coupons fabricated by an actual material and manufacturing process. We have previously used flat unidirectional laminate coupons, which were manufactured on a flat mandrel by FW. However, it cannot account for the effect of FW structure. We have developed a new solution to fabricate a representative flat laminate coupon with FW structure using a hexagonal-shaped mandrel with a flat face at dome and cylinder regions, and have demonstrated the validity of this method. In this study, we describe our effort to further understand the effect of FW structure on material properties by using hexagonal mandrel. Three different FW patterns of laminate coupons were prepared, which were selected from representative ones used at actual vessel manufacturing. Tensile tests were performed by using flat laminate coupons with layups of [0/90]2 and [45/-45]4 and properties in fiber direction and in-plane shear were evaluated, respectively. As a result, there was no obvious effect of FW structure on property in fiber direction but the increase in in-plane shear strength and elongation was seen due to existence of FW interlacement structure. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |