Infusion

Wind/Energy

Third-party tests support claims for crosslinking spray adhesive

Aerospace manufacturers that adopt vacuum infusion processes are discovering what processors of boat hulls and wind turbine blades already know: Placement of multiple plies of slippery dry fiber reinforcements in molds with vertical sides or tight radii is problematic.

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Out of Autoclave

A400M cargo door: Out of the autoclave

This structural military airframe part is the largest made to date via the vacuum-assisted resin infusion process.

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Adhesives

DDG-1000 Zumwalt: Stealth warship

U.S. Navy navigates radar transparency, cost and weight challenges with composite superstructure design.

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Wind/Energy

New infusion regime for superthick laminates

 Innovative initiator chemistry yields long flow time, cure on demand and exotherm control for large, thick parts.

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Weaving

Team-built bus body bests all

OEM meets tight development schedule on superlight multipart molded shell to offset propulsion system weight in fuel cell-powered transit bus.

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Out of Autoclave

Cost- and time-saving preform process used for propeller spinner

Carbon fiber/epoxy spinner uses pulp slurry preforming process combined with vacuum infusion molding.

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Infusion

Inside R and D: A-VaRTM takes flight in Japan

Tests show out-of-autoclave process can reduce costs on new regional jet.

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Infusion

Composites take the hit in U.S. Navy patrol boat

 New carbon/Kevlar composite hull and deck provide impact-absorbing solution to crew injury problems caused by severe vertical acceleration of previous high-speed, all-metal patrol boat.

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Infusion

Formulating challenge: Creating better epoxies for vacuum-infused aerospace parts

More attention is being focused on fabricating processes for aircraft structures that can save time and money and improve efficiency while yielding high-quality parts. Historically, nearly all aircraft designers have assumed autoclave cure as the norm, despite the well-documented cost and time advantages of

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Inside Analysis: Simulating VARTM for better infusion

A resin flow simulation tool is helping to optimize liquid molding of aerospace parts.

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