Induction Bonding for Structural Composite Tubes

Report No. ARL-TR-2818
Authors: Eric D. Wetzel, William A. Spurgeon, and Christian J. Yungwirth
Date/Pages: September 2002; 43 pages
Abstract: Large structural composite tubes, prototype components for a proposed U.S. Navy application, are bonded by induction curing of an engineering adhesive. Magnetic powder is used as the susceptor material and is directly incorporated into the adhesive prior to processing. Different induction power supplies, coil designs, and adhesive formulations are investigated. Final demonstration runs bond 9-in-long, 3-in-diameter axisymmetric bondlines in 15 min. These results demonstrate for the first time the successful induction bonding of large structural composite components using magnetic particulate susceptors.
Distribution: Approved for public release
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Last Update / Reviewed: September 1, 2002