期刊
POLYMER COMPOSITES
卷 43, 期 3, 页码 1577-1589出版社
WILEY
DOI: 10.1002/pc.26479
关键词
composites; imaging; processing; sensors
资金
- Bundesministerium fur Verkehr und Digitale Infrastruktur [03B10104D]
The wet winding process is a well-established manufacturing technology for producing rotationally symmetrical components made of fiber-reinforced plastic (FRP). However, traditional simulations neglect manufacturing influences, such as fiber spreading. Therefore, a more realistic description of the deposition process of the fiber band on the winding core can provide a deeper understanding of the process.
The wet winding process is an established manufacturing technology for the production of rotationally symmetrical components made of fiber-reinforced plastic (FRP), such as type-IV hydrogen pressure vessels. In this process, the FRP laminate is produced by continuously depositing an impregnated fiber band on the winding core in a winding pattern adapted to the component stress. Despite a long history of the process, there are shortcomings in the understanding of the process, without which further optimization in terms of cost and material efficiency will reach its limits in the future. Currently, the fiber band is assumed to have a constant rectangular cross-section in most simulations, which neglects manufacturing influences such as fiber spreading. The investigations carried out aim to extend the process understanding by a realistic description of the fiber bandwidth when deposited on the winding core. The investigations show that the fiber spreading, as well as the absolute fiber bandwidth, depend on the resin loading and the fiber band tension, independent of the winding pattern in the cylindrical area of a pressure vessel shaped winding core. In addition, the fiber bandwidth changes by 15%-20% during circumferential winding, depending on the machine movement.
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