MATERIALS
Aircraft/aerospace composites; Space Shuttle thermal-protection tiles; green ceramics and powder metals; porous materials and foams; rubbers, tires, and plastics; wood, lumber, asphalt and reinforced concrete; food and pharmaceuticals.

CHARACTERISTICS
Delaminations in multilayered, particulate and fibrous materials; proximity and dimensional analysis; measurements of anisotropy and heterogeneity; surface profiling, chemical corrosion, crystallization and polymerization; liquid and gas-flow metering; imaging of surface and internal features of materials; viscosity of liquids; texture and microstructure of granular and cellular materials; level sensing and proximity analysis; bone-density (osteoporosis) measurements, applied and residual stresses; high temperature, pressure and radiation environments.