Research Techniques in Nondestructive Testing, Volume 2

accelerometer acoustic amplitude aperture applied beam c₁ circuit coil components critical speed curve density described detection detector diameter diffraction display eddy current effect electrode electroluminescent electrons energy engine excitation exposure field film filter flaw fluoroscopy flux Fourier Fourier Transform frequency fringes function geometrical harmonic hologram holographic illumination input inspection intensity interferogram intergranular corrosion laser layer lens light limited longitudinal waves machine magnetic material measured metal methods mild steel mirror monitoring motor Nondestructive Testing notch signal object obtained operator optical oscilloscope output panel parameters pattern phase phosphor photoconductor photoelastic photographic Phys picture plane plate probe produce proton pulse radiation radiographic recording rotating rotor scan Schlieren sensitivity shaft shown in Fig shows simulated spatial spatial frequency specimen spectrum stress surface techniques thickness thyratron TIRL transducer transformation tube support ultrasonic ultrasound unsharpness values vector visualization voltage wave X-ray