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Jiatong Hou, Bo You, Jiazhong Xu, Tao Wang and Moran Cao
This paper proposes a lightweight detection model based on machine vision, YOLOv5-GC, to improve the efficiency and accuracy of detecting and classifying surface defects in preforming materials. During this process, clear images of the entire surface are...
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Yiliang Sun, Jingwen Li and Hongfu Li
Thermoplastic resin matrix has a high melt viscosity, which is difficult to impregnate with fibers. The addition of flame retardant will further increase the viscosity of the melt and increase the difficulty of impregnation. It is possible to reduce the ...
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Minghui Yi, Fei Liu, Wuxiang Zhang and Xilun Ding
Variable angle tow steering technology is capable of manufacturing complex aviation parts with a trajectory of intricate curvature planned based on stress or profile characteristics, which greatly improves the forming efficiency, design flexibility and m...
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Grigorios Koutsoukis, Ivan Alic, Antonios Vavouliotis, Ferry Kienberger and Kamel Haddadi
In-line implementation of microwave nondestructive testing and evaluation (MNDT&E) based on continuous wave radar operating in monostatic mode.
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Christos V. Katsiropoulos, Spiros G. Pantelakis, Marco Barile and Leonardo Lecce
?he development of a novel hybrid thermoplastic prepreg material enabling the fabrication of next-generation recyclable composite aerostructures produced by affordable, automated technologies is presented in the present work. The new hybrid material is p...
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Sicong Yu, Xufeng Zhang, Xiaoling Liu, Chris Rudd and Xiaosu Yi
In this concept-proof study, a preform-based RTM (Resin Transfer Molding) process is presented that is characterized by first pre-loading the solid curing agent onto the preform, and then injecting the liquid nonreactive resin with an intrinsically low v...
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Yiyo Kuo and Ssu-Han Chen
In this research, virtual metrology models, which can estimate the quality characteristics based on the given manufacturing parameters, were developed by lasso regression and support vector regression. Then, the virtual metrology (VM) models were integra...
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Patrick Townsend, Juan Carlos Suárez Bermejo, Paz Pinilla and Nadia Muñoz
Planing hull vessel built with polymer matrix laminates and fiberglass reinforcements (GFRP) suffer structural damage due to the phenomenon of slamming during navigation, due to the impact of the boat hull on the free surface of the water at high speed. ...
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Atsushi Takano
Pág. 25 - 27
A buckling experiment was performed on anisotropic, long and short cylinders with various radius-to-thickness ratios. The 13 cylinders had symmetric and anti-symmetric layups, were between 2 and 6 in terms of the length-to-radius ratio, between 154 and 6...
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