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OPTICAL INSTRUMENTATION & NDE BRANCH
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Lamb Wave Imaging Lab

Purpose: Scanning guided wave system for construction of stiffness maps and defect inspection of plate structures.

Lamb Wave Imaging System
Primary Capabilities:
  • Utilizes flexural mode velocity to reconstruct location dependent stiffness values (D11, D22, A44, and A55 for anisotropic plates: E and G for isotropic plates).
  • Utilizes time-of-flight and amplitude of flexural mode for defect inspection
Special/Unique Capability:
  • Develops point-by-point dispersion curves using frequencies from 20 kHz to 1 MHz.
Equipment/Instrumentation:
  • Custom system made by Digital Wave Corp
Availability:
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usa.gov logo + NASA Privacy, Security, Notices NASA Logo link to nasa.gov Curator: Robert Anderson
NASA Official: George Baaklini
Last Updated: 6/30/2009
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