Accession Number:

ADA615759

Title:

Quantitative Diagnostics of Multilayered Composite Structures with Ultrasonic Guided Waves

Descriptive Note:

Technical paper, Sep-Oct 2014

Corporate Author:

AIR FORCE RESEARCH LAB EDWARDS AFB CA ROCKET PROPULSION DIV

Report Date:

2014-09-01

Pagination or Media Count:

9.0

Abstract:

The main objective of the current work is to develop a practical nondestructive inspection methodology for a highly sound absorbing composite structural system consisting of polymeric and metallic materials. Due to constraints in geometrical shapes and thicknesses of the composite system used in this work, ultrasonic guided wave approach has been chosen. Since the polymer coatings have high damping properties, less energy is dissipated into the adjacent media in the presence of interface delaminations. Experimental measurements performed on a targeted composite system, whether it has an aluminum, carbon-fiber-composite, or steel outer casing, show promising results.

Subject Categories:

  • Laminates and Composite Materials
  • Test Facilities, Equipment and Methods

Distribution Statement:

APPROVED FOR PUBLIC RELEASE