Bonding
Aircraft composites repair: Plasma’s potential for better bonds
Plasma treatment might be a key enabling technology in the pursuit of certification-worthy, fastener-free adhesively bonded repair patches applied to aircraft primary structure.
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Structural adhesives: Plus ça change ….
A CW columnist and the chief commercialization officer for the Institute for Advanced Composites Manufacturing Innovation (IACMI, Knoxville, TN, US), Dale Brosius makes the case that, in both the aerospace and automotive sectors, it’s time to develop robust adhesive alternatives to fasteners.
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Plasma treatment as surface preparation for adhesive bonding
Concurrent with the TRUST program's development of process control, it is addressing the need for more robust surface prep. methods.
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Building TRUST in bonded primary structures
A DARPA program aims for certification via Bayesian process control system for the factory floor, bounding uncertainty and predicting reliability in real-time.
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Fully transparent, rollable electronics built with graphene/CNT backbone
Carbon nanotubes and graphene provide mechanical properties and bonding enabling high-temp polyimide resin to provide flexible circuit substrate.
Read MoreMIT researchers reveal how bonded joints fracture and fail
Moisture reportedly plays crucial role.
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Solar boat: Bonding the best
Adhesives supplier SCIGRIP (Durham, N.C.) sponsors the entry from Poland, dubbed the SCIGRIP Solar Boat, during the fifth Dong Energy Solar Challenge for boats, held June 28 to July 5, in The Netherlands.
Read MoreComptek's consumer adhesive spin-off
When technicians involved in Aero Solutions LLC’s (Boulder, Colo.) repair projects reported that resin residue left in the bags that contained the company’s glass/polyurethane protective wraps was “great for gluing stuff,” parent conpy Comptek Structural Composites’ CEO Jim Lockwood decided to try bottling it.
Read MoreNDI and NDT methods for process control
There are three main nondestructive inspection technologies currently under development to help qualify surface preparation techniques for adhesively bonded aerospace surfaces evaluate the quality of both the prepared surfaces and the final bonded joint.
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Certification of bonded composite primary structures
OEMs develop technology to quantify uncertainty in pursuit of the no-bolt bondline.
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