2021
DOI: 10.1016/j.compstruct.2021.113608
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Placement suitability analysis of automated fiber placement on curved surfaces considering the influence of prepreg tow, roller and AFP machine

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Cited by 11 publications
(7 citation statements)
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“…In order to prevent the occurrence of wrinkle defects resulting from the accumulation of defects during prepreg placement on a curved surface, Qu et al [ 25 ] investigated the strain variation of prepreg during surface placement of a specific width and established a criterion condition for wrinkle-free placement of prepreg on the curved surface. where W is the width of the prepreg; is the geodesic curvature of the placement path; is the Gaussian curvature of the surface; and is the minimum forming radius at which the prepreg can be laid on a flat surface without wrinkle defects.…”
Section: Placement Path Planning Of Pressure Vesselmentioning
confidence: 99%
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“…In order to prevent the occurrence of wrinkle defects resulting from the accumulation of defects during prepreg placement on a curved surface, Qu et al [ 25 ] investigated the strain variation of prepreg during surface placement of a specific width and established a criterion condition for wrinkle-free placement of prepreg on the curved surface. where W is the width of the prepreg; is the geodesic curvature of the placement path; is the Gaussian curvature of the surface; and is the minimum forming radius at which the prepreg can be laid on a flat surface without wrinkle defects.…”
Section: Placement Path Planning Of Pressure Vesselmentioning
confidence: 99%
“…The algorithm was based on a robust filtering method that ensures a short computing time, was adapted to redundant machine tool, and finally took into account the difference in the dynamic characteristics of each axis in the objective function to generate the fastest tool path. Qu et al [ 25 ] contributed a wrinkle defect criterion for prepreg forming on curved surfaces, capitalizing on the analysis of the filament deformation characteristics of prepreg on free-form surfaces. As the results show, the laying of curved parts demonstrated that placement path planning incorporating this criterion could effectively suppress defects such as wrinkles and bridging.…”
Section: Introductionmentioning
confidence: 99%
“…Budelmann et al [23] used a single-stage peel method to identify the correlation between key processing parameters and tow viscosity at varying degrees of room temperature over time. Qu et al [24] performed the required analysis for laying suitability before path planning. The results showed that choosing the appropriate path parameters can decrease the risk of unreasonable path planning and enhance the effectiveness.…”
Section: Introductionmentioning
confidence: 99%
“…The most commonly investigated method of manufacturing VAT composites is the Automated Fiber Placement (AFP) process [4]. AFP has typically been the process of choice due to its ease of adoption in industrial settings and its ability to deposit material onto curved tool surfaces [5]. However, AFP-manufactured VAT structures are prone to process-induced defects, such as fiber wrinkling and resin rich areas [6].…”
Section: Introductionmentioning
confidence: 99%