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R. J. Ditchburn


Click on the titles below to find US government-authored or -collected reports written by R. J. Ditchburn

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Microwave Nondestructive Evaluation of Disbonds Under Anechoic Tiles JUL 96
Authors:  R. J. Ditchburn; A. Amiet; S. K. Burke; DEFENCE SCIENCE AND TECHNOLOGY ORGANIZATION CANBERRA (AUSTRALIA)
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.An experimental and theoretical study of a microwave nondestructive inspection technique to detect the presence of and evaluate the thickness of disbonds between anechoic tiles and the hull of the COLLINS class submarine is presented. The magnitude and phase of a reflected microwave signal in the absence and presence of a disbond is measured as a function of disbond thickness and frequency for (i) a layer of anechoic tile material ...


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