Flow analysis during compression of partially impregnated fiber preform under controlled force |
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Authors: | Justin Merotte Pavel SimacekSuresh G Advani |
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Affiliation: | Department of Mechanical Engineering and Center for Composite Materials, University of Delaware, Newark, DE 19716, USA |
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Abstract: | Compression resin transfer molding (CRTM) is an alternative solution to conventional resin transfer molding processes. It offers the capability to produce net shape composites with fast cycle times making it conducive for high volume production. The resin flow during this process can be separated into three phases: (i) metered amount of resin injection into a partially closed mold containing dry fiber preform, (ii) closure of the mold until it is in contact with the fiber preform displacing all the resin into the preform and (iii) further mold closure to the desired thickness of the part compacting the preform and redistributing the resin. Understanding the flow behavior in every phase is imperative for predictive process modeling that guarantees full preform saturation within a given time and under specified force constraints. |
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Keywords: | C Modeling B Resin transfer molding Compression RTM |
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