期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 164, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2022.107284
关键词
Prepreg tack; Constitutive modelling; Automated fibre placement; Manufacturing simulations
This paper proposes a modified probe test method for measuring inter-ply and ply-tool tack, and investigates the influence of multiple factors on tack behavior in Automated Fibre Placement (AFP) manufacturing. A comprehensive modeling framework is developed and implemented as a user subroutine for a commercial finite element package. The study highlights the complexity of tack behavior and shows promise for bridging the gap between tack data/model scarcity and simulation of manufacturing processes such as AFP and forming.
Prepreg tack is a critical material property that plays a key role in Automated Fibre Placement (AFP) manufacture-induced defect generation. However, there is a gap in current state-of-the-art manufacturing pro-cess modelling that includes tack phenomena and experimental data that shows the influence of multiple factors. In this paper, a modified probe test method, which is capable of inter-ply and ply-tool tack measurement, is proposed. The influence of multiple factors, consistent with the AFP deposition process (i.e. pull-off rate, contact time, pressure and temperature) on tack is studied. Further, a comprehensive modelling framework accounting for all the factors is developed and implemented as a user subroutine for a commercial finite element (FE) package. The work highlights the complexity of tack behaviour at play and shows promise for filling the gap between the tack data/model scarcity and simulation of manufacturing processes such as AFP and forming.
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