Bonding

Bonding

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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Thermoplastics

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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Out of Autoclave

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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Out of Autoclave

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.

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Aerospace

No 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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Adhesives

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.

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Adhesives

Old 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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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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Adhesives

Third-party tests support claim for crosslinking spray adhesive

Tests support Westech's claim that its InfuZene spray adhesive crosslinks with vinyl ester, polyester or other styrenated thermoset resins during infusion.

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Toray Advanced Composites hi-temperature materials
Wabash
Adhesives for Composite Materials
ELFOAM rigid foam products
Alpha’s Premier ESR®
ColorForm multi-component injection
CompositesWorld
Airtech
ColorForm multi-component injection