Influence of Calcium Migration on the Strength Reduction of Dense Alumina Exposed to Steam
Alumina, when exposed to steam at various pressures, suffers a loss of strength. X-ray photoelectron spectroscopy combined with inert gas ion milling was used to study surface segregation of calcium in dense alumina after exposure to steam at 750 psi. It was observed that, in general, the longer the exposure, the higher the amount of calcium at the surface and the lower the MOR of the specimens.
S. Sinharoy et al., "Influence of Calcium Migration on the Strength Reduction of Dense Alumina Exposed to Steam," American Ceramic Society Bulletin, vol. 58, no. 4, pp. 464-466, American Ceramic Society, Apr 1979.
Materials Science and Engineering
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© 1979 American Ceramic Society, All rights reserved.