Laminate Sample #33: Vacuum Bagged Mahogany Veneer with Balsa Core
Автор: Explore Composites
Загружено: 2021-01-02
Просмотров: 5822
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This laminate sample is about two very different woods working together to make a panel that is stiff and light. The mahogany veneer is strong and thin and the end-grain balsa is light and has very good compression and shear properties. It's like the perfect team!
For an adhesive, this Proset M1005/2005 shear-thinned epoxy adhesive provides good gap filling and adhesion while being able to flow under bag pressure to bleed off excess resin. The epoxy is a gel-like consistency in the cup, but once it is spread thin and compressed it flows like a laminating resin. Check out how well the bottom surface is wet out.
The process isn't elegant - and the veneers are a mess - but this should give a good idea of what is possible when wood structures are optimized for stiffness at a minimum weight. Other cores can work too - foams, honeycombs, etc. Balsa is nice though because... its wood!
The datasheet for the M1005/2005 Proset is here:
https://www.prosetepoxy.com/wp-conten...
For more information on practical composites, check out the EC! site:
https://explorecomposites.com/
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