Overview
Pultrusion is a continuous process for the manufacture of composite structures. Parts feature a constant cross-section and are made by pulling continuous reinforced fibers through a resin bath, optionally followed by a separate preforming system, and into a heated die, where the resin undergoes polymerization as the reinforcements are pulled through the die. Resin types typically include polyester, polyurethane, vinyl ester and epoxy. Pultrusion is particularly effective in production of long, relatively narrow parts used as reinforcing members or ribs in a larger structure.
Fiber-reinforced plastics replacing coated steel in more reinforced-concrete applications.
Small wind gets big 8/1/2011 Composites TechnologyMassive growth, complex blade designs reopen challenging market in wind energy niche.
New filament to make composites "smart" 1/1/2011 Composites TechnologyCW Conferences director Scott Stephenson premiers a showcase for new ideas overheard at CW Conferences.
Hotel wrap: Curvilinear pultrusions 7/30/2010 Composites TechnologyAirport hotel’s striking wraparound roofline made possible, durable and affordable with pultruded flat panels and profiled support structures.
Structural makeover: Big bridge-strengthening project 6/1/2010 Composites TechnologyThe 2.5-km/1.6-mile long cable-stayed-concrete West Gate Bridge in Melbourne, Australia, is prepped for added traffic lanes with BASF's MBrace composite reinforcements, pultruded by EPSILON Composite (Gaillan-en-Médoc, France).
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