Bonding/Welding
Certification of bonded composite primary structures
OEMs develop technology to quantify uncertainty in pursuit of the no-bolt bondline.
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Freefall: Adhesive helps composite lifeboat achieve world record
This composite freefall lifeboat successfully endures the required 65.1m/213.6-ft DNV drop test, setting a new world record for the highest lifeboat freefall.
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SciGrip MMA to replace epoxy adhesive in wind blades
Methyl Methacrylate to offer up to 40 percent reduction in blade assembly cycle time plus address current maintenance issues due to variable bondline thickness.
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Paddleboard productivity: Adhesively bonded hull/deck is key
Dragonfly Boatworks LLC's (Vero Beach, Fla.) new standup paddleboard for fly fishing is built without fasteners, with the aid of SG200-40 methacrylate adhesive from SCIGRIP Smarter Adhesive Solutions (Durham, N.C.).
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Italian racer uses foam sandwich design, Scott Bader adhesive
Boatbuilder Anselmo Mauri has manufactured Revolver 42, a polyhedric monohull speedboat, constructed using high-permforance composites, including foam core sandwich design and adhesive provided by Scott Bader.
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New catamaran benefits from structural adhesives, vacuum infusion
Vacuum infusion, SAN sandwich foam cores and structural adhesives help reduce the weight of Mattia's high-performance catamaran yacht by 2,000 kg.
Read MoreNo disagreement on bonded repairs
The need for quality control in adhesively bonded structural composite repairs has stimulated much debate, particularly about a key question: Will bonded repairs be certified for A350 and 787 primary composite fuselage structures?
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Tabbing composite test specimens: The how
The when and why of tabbing composite test specimens were the subjects of my previous column (see “Tabbng composite test specimens: When and why," under "Editor's Picks," at right), which included a discussion of tabbing materials, tab thickness and taper angle, and adhesive selection.
Read MoreOld is new in vacuum bonding honeycomb sandwich
In Care and Repair of Advanced Composites (published by the Warrendale, Pa.-based Society of Automotive Engineers in 1997), Dr.
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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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