Titlebook: Nondestructive Evaluation of Materials; Sagamore Army Materi John J. Burke (Chairman),Volker Weiss (Program Dir Conference proceedings 1979

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Overview of Ultrasonic NDE Researchdiction. Flaws near criticality may produce smaller indications in standard testing procedures than more benign flaws, and parts may be unnecessarily reworked or scrapped at great expense. There is, consequently, a large need to broaden our ultrasonic capabilities so that the size, shape, and orient

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Ultrasonic Spectroscopyy means of Fourier transform. Technical detail pertaining to transducer characteristics and design considerations of the electronic equipment utilizing this method is presented. Furthermore, practical applications in the area of nondestructive testing are discussed, such as the determination of micr

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Image Processing in Nondestructive Testingesting should turn to image processing as a potential method of improving their radiographic techniques. The questions being asked usually concern the applicability of image processing for more certain detection of defects, sometimes in the context of increasing the sampled population of an entire f

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Automated Detection of Cavities Present in the High Explosive Filler of Artillery Shellspresent in the high explosive (HE) filler region of 105-mm artillery shells. Experimental work utilizing scene segmentation techniques followed by a sequential similarity detection algorithm for cavitation detection have yielded promising initial results. A description of this work is shown with exa

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