Surface quality and shrinkage of the composite bus housing panel manufactured by RTM

Resin transfer molding (RTM) process has been widely used in automobile industries, because products with large area can be manufactured easily with lower manufacturing cost than that of compression molding or hand lay up method, Although composite structures manufactured by RTM have light weight, good dynamic and impact characteristics, the low surface quality of composite structures made by RTM often hinders the adoption of composite automotive panels because parts made of glass fiber mat and unsaturated polyester often have shrinkage and warpage problems. To investigate the relationship between the shrinkage and the surface quality of composite part. in this work, the formation of surface contour line and the surface quality were measured experimentally with respect to stacking sequence and fiber volume fraction of glass fiber. Based on the results obtained, a real size composite bus housing panel was successfully manufactured. (C) 2002 Elsevier Science Ltd. All rights reserved.
Publisher
ELSEVIER SCI LTD
Issue Date
2002-07
Language
ENG
Keywords

INJECTION-MOLDED PRODUCTS; WARPAGE; STRESSES; SIMULATION; POLYESTER

Citation

COMPOSITE STRUCTURES, v.57, no.1-4, pp.211 - 220

ISSN
0263-8223
DOI
10.1016/S0263-8223(02)00068-5
URI
http://hdl.handle.net/10203/84486
Appears in Collection
ME-Journal Papers(저널논문)
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