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Accomplishments - Weak (“Kissing”) Bond Detection

  • Reliable methods developed to produce desired range of weak bonds: 10%, 30%, 50%, 70% 90%, 100%; critical to NDI studies; involved use of controlled application of contaminants and adhesive reactants

  • A large suite of coupons with reduced bond strengths were built for round robin testing of advanced inspection methods.

  • NDI being applied includes: Through-Transmission Ultrasonics (TTU), Pulse-Echo UT, Phased Array UT, Thermography, Laser Shot Peening, Nonlinear UT, UT Spectroscopy, Resonance, Air-Coupled UT, Modal Analysis, Laser UT

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