Processes
Maintaining fiber length in complex 3-D designs
Award-winning composite pallet showcases new LFT molding process from South Africa.
Read MoreDouble-bag infusion: Thickness gradient and pressure
Cliff Walker (Vacmobiles, Auckland, New Zealand), explains how the large pressure changes during infusion result in laminate compression and thickness variations across the part.
Read MoreAbsolute vacuum gauge
The following is an excerpt from Issue 12 of The Composites Letter, published by www.vacmobiles.com (reposted here by permission) that outlines the importance of using an absolute vacuum gauge to measure pressure levels during double-bad infusion:“Often called a precision vacuum gauge, an absolute gauge actually works the opposite way to a conventional dial type vacuum gauge.
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Double-bag infusion: 70% fiber volume?
A double vacuum-bag system and tight process control enable repeatable fiber volumes of 60 to 70 percent and improves consistency of infused laminates.
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Future combat helmet: Promising prototype
Tape laying, thermoforming methods hold hope for rapid coforming of thermoplastic shell and ballistic liner for U.S. Army’s future warfighter headgear.
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Mold heating study proves pressurized water system
Westminster Solutions and SINGLE Temperature Controls partner to create an RTM cell that heats the mold more efficiently with pressurized water rather than with a conventional oil heating system..
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Besting Big Ben: A Marvel in Makkah
Composite design makes possible the world’s largest clock and tallest clock tower.
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Corrosion resistance: Desert-bound chemical and potable-water tanks
RL Industries (Fairfield, Ohio) recently overcame logistical obstacles to successfully fabricate five large composite storage tanks for a chemical plant in Saudi Arabia.
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