Composites Tutorial - Wet Layup Materials, Supplies, and Process

A basic introduction to wet layup using vacuum compression, a popular out-of-autoclave composites manufacturing technique. Presented as part of the laboratory instruction series in ENAE 425/654 at the University of Maryland, College Park.

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Ahh. This is a bagged wet lay up. RTM or VARTM is where the laminate stack is bagged dry then the resin infused under vacuum. Also, if you're after flat panels you'd be far better laying up onto a glass plate that has been released. Much faster and will give far superior results.