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…Airtech International
– The Boeing Company (Marc Piehl, Kay Blohowiak, Pete
VanVoast, Will Grace, Tony Belcher, Liz Castro)
3
Surface Energy to Examine Surfaces
• Adhesive must wet substrate – controlled by surface
energy
• Surface energy = measure of energy associated with
unsatisfied bonds at the surface [free energy/unit area]
• CAs used to measure…
https://www.wichita.edu/industry_and_defense/NIAR/Documents/JAMS2013Bonding-Tracey.pdf