9.05 flaw detection. Process of locating imperfections in solid materials by observing internal reflections or a variation in transmission through the materials as a function of sound-path...
9.04 macrosonics. Technology of sound at signal amplitudes so large that linear approximations are not valid. Annotation Processing of materials by sonic techniques usually...
9.02 ultrasonics. Technology of sound at frequencies greater than 20 kHz. Annotation A frequency of 20 kHz is the approximate upper limit of the range of human hearing. (See...
Recent Comments