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By Bruce Niederer — GBI Technical Advisor My article, White Oak Redux (Epoxyworks 34), generated two responses we wanted to share. We consider ourselves students as well as tech advisors and so we’re always open to learning something from others. Our readers are generally pretty savvy people, and when they take the time to write us […]
Understanding Bond Line Stresses in Composites By Jeff Wright — Vice President of Technical Services This article will discuss some of the engineering aspects to consider when designing or repairing an adhesive bonded composite structure, particularly bond line stresses. Fiberglass reinforced plastic and other composites influence the design of many products manufactured today. Boat hulls, […]
On Epoxy Adhesion to Metals by Brian Knight—GBI Technical Advisor Above: Surface treatment can make all the difference in epoxy adhesion to metal. Photo by Manny Becerra on Unsplash We have performed tens of thousands of adhesion tests over the years and many of these tests were done on metal surfaces. Below is a summary […]
For Good Adhesion by Brian Knight—GBI Technical Advisor Above: Sanding the bonding surface is important to good adhesion with epoxy. “Cleanliness is next to Godliness,” the old expression goes. This is certainly true when preparing a surface for an epoxy application. The surface has to be clean to begin with or there may be adhesion […]
