
367Textile Composites
© 2008 Taylor & Francis Group, LLC
sheet molding compounds, bulk molding compounds, and advancement in
press technology is making the compression molding process very popular
for mass production of composite parts.
13.7.2.2 Resin Transfer Molding
RTM is a closed-mold, low-pressure process in which dry, preshaped rein-
forcement material is placed in a closed mold and a polymer solution or resin
is injected at a low pressure, lling the mold and thoroughly impregnat-
ing the reinforcement to form a composite part. The RTM process is also
known as a liquid transfer molding process. RTM offers the fabrication of
near-net-shape ...