"Selected properties of a dense fired alumina, a phosphate-bonded ramming mix, and a calcium aluminate cement-bonded castable were evaluated after exposure at 260°C and 538°C to steam/H2 atmospheres (2.58, 5.17, and 6.89) MPa. Chemical reactions in the refractories were determined by x-ray diffraction, DTA/TGA, and changes in physical properties. The modulus of rupture (MOR) of the dense alumina decreased with increasing steam pressure and degree of saturation. The calcium aluminate cement phases in the castable were most reactive in 260°C steam and formed several hydrated phases which generally resulted in a higher MOR. The MOR of the ramming mix was lower in both steam and H2, the largest reductions occurring in saturated steam"--Abstract, page 1.
Day, D. E.
Sorrell, Charles A.
Materials Science and Engineering
M.S. in Ceramic Engineering
United States. Department of the Interior
University of Missouri--Rolla
viii, 63 pages
© 1980 David W. Lang, All rights reserved.
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Lang, David W., "Properties of high alumina refractories after exposure to steam/H₂ atmospheres" (1980). Masters Theses. 3675.
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