Abstract
Advanced nondestructive evaluation methods are being developed to characterize ceramic materials and allow improvement of process technology. If one can determine porosity, map organic binder/plasticizer distributions, through-volume density, and detect inclusions, machine operations can then be modified to enhance the reliability of ceramics. Two modes of X-ray tomographic imaging - advanced film tomography and computed tomography - are being developed to provide flaw detection and density profile mapping capability. Nuclear magnetic resonance imaging is being developed to determine porosity and map organic binder/plasticizer distribution. Results obtained with these methods are presented.
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