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http://dx.doi.org/10.7234/composres.2018.31.1.023

A Study on the Proper Resin Film Thickness in RFI Process  

Yoon, S.H. (Composites Research Division, Korea Institute of Materials Science)
Lee, J.W. (Composites Research Division, Korea Institute of Materials Science)
Kim, J.S. (Composites Research Division, Korea Institute of Materials Science)
Kim, W.D. (Department of Aerospace Engineering, Pusan National University)
Um, M.K. (Composites Research Division, Korea Institute of Materials Science)
Publication Information
Composites Research / v.31, no.1, 2018 , pp. 23-29 More about this Journal
Abstract
The RFI process can be applied to very thick structures without limiting the resin viscosity. When the proper thickness of the resin film cannot be set, the resin film creates either the non-impregnated section or the excessive resin contents and this leads to the deterioration of mechanical properties. Therefore, this study proposed a method for setting the resin film thickness in the RFI process. The fiber compaction behavior test was proposed by setting the proper resin film thickness and the properties of composites were evaluated through short beam shear strength test, compression test and porosity measurement to verify the proposed method. The evaluation of physical properties of composites was conducted and an appropriate level of resin film thickness was found based on the results of fiber compaction behavior test.
Keywords
Resin Film Infusion process; OoA(Out of Autoclave); Resin film thickness; Fiber compaction behavior;
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