Abstract:
Small-angle scattering is a premier technique for the statistically-significant investigation of microstructural features such as inclusions, second phases, microcracks, cavities and residual porosity in the 1 to 100 nm size range. At N.I.S.T., techniques and instruments have been developed to include structures up to the range of micrometers in size, to follow ceramic microstructural parameters in situ as a function of heat treatment, and to measure anisotropic as well as isotropic ceramic materials. Results will be presented from studies of the effects of various additives on ceramic sintering, the relationships between thermal processing and the achievement of controlled-porosity materials, the role of processing parameters in determining the microstructure and properties of thermally-sprayed ceramic coatings, and finally observations of creep cavitation in ceramics.
(Ref. SXVIII-014-97)
Source: NDE of Ceramics '97 May 4-7, Symposium on Nondestructive Evaluation of Ceramics
at the American Ceramic Society 99th Annual Meeting, Cincinnati, Ohio.
Buying the Symposium Proceedings from the American Ceramic Society.
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