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The layup quality of prepreg fibers onto complex surfaces is the most concerned issue in automated fiber placement (AFP), which is intimately related to the contact stress in tractive rolling contact. An analytical model of tractive rolling contact is proposed in this paper to clarify the defects mechanism during the AFP process, which considers the mold curvatures, mechanical properties of contacted...
Prepreg tack plays a crucial role in dominating the part quality during the automated fiber placement (AFP) process. This study aims to study the effect of process parameters on the tackiness between prepreg plies for two kinds of prepreg materials and find the optimal combination for high resultant tackiness. Moreover, the surface characteristics are utilized to evaluate the tack‐determining mechanism...
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