Summary:
There has been a growing interest in radiation (ultraviolet or electron-beam [e-beam]) curing of resins and composites (Benziers and Capdepuy 1990; Saunders et al 1993, 1995; Goodman et al 1996; Janke et al 1996, 1997; Lopata et al 1996). E-beam curing of composites offers significant advantages over traditional thermal cure, including shorter curing times, low energy consumptions, low cure temperature,
reduced VOC emissions, reduced manufacturing cost, and unlimited shelf life. Complex part can be made with inexpensive tooling, and part throughput is extremely fast. E-beam processing allows the use of low cost fabrication tools made from reusable or disposable materials. Over the past several years, e-beam curing has
been actively explored as a means to reduce the processing and fabrication costs of military systems, including fixed-winged and rotor aircraft, ground vehicles, and spacecraft. E-beam curing is accomplished via the formation of activated initiating species for polymerization. The ebeam accelerator is a source of ionizing radiation that can generate ionic species, free radicals, and/or molecules in excited states capable of initiating and sustaining polymerization.

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