Embedding FBG strain sensors within a GFRP sandwich composite material allows early detection of internal defects. However, the sensors need to survive the manufacturing process to provide this capability. Vacuum infusion is commonly used to manufacture GFRP sandwich composite materials but, it needs to be modified to accommodate the embedding process. A stage by stage procedure is demonstrated...

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Vacuum assisted resin transfer molding (VARTM) is a fiber reinforced composite (FRC) making process in which impregnated to fabric by application of vacuum. This also known as vacuum infusion process. The critical issue VARTM void generation. Voids form due variety reasons, most can be avoided. degassing one the solutions will reduce air entrapped inside during impregnation. In this work six la...

industrial production of thermoset composite components involves the application of a vacuum bagging and autoclave pressure to minimize void percentage, usually to less than 5%. phenolic resin systems generate water as a reaction byproduct via condensation reactions during curing at elevated temperatures. in this paper, vacuum bagging and simple manufactured autoclave curing systems are used fo...

A prosthetic knee is an important, functional, dynamic component of a transfemoral prosthesis. This paper details step-by-step fabrication procedure for passive polycentric using carbon-fabric-reinforced polymer in sequential order. The Solidworks® 2022 software package was used part modelling and assembling. three-dimensional model developed the base planning, visual ideation, feasibility asse...

Abstract Keeping health and nutritional value of the packed foods has a great value in food industries. Among the diverse methods of food processing and packaging, vacuum packaging is one of the best methods for a variety of food products, such as fish. In order to evaluate the effectiveness of such method in preventing of bacterial growth during preservation of fish fillets, four vacuum p...