Method for producing R-plane single crystal alpha alumina

Details Method for producing R-plane single crystal alpha alumina Method for producing R-plane single crystal alpha alumina

1978-08-10

1980-09-23

Bernstein, Hiram H.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156DIG61, 156617SP, B01J 1718

Patent

active

042240999

ABSTRACT:
Method for producing massive unicrystalline R-plane alpha alumina of circular cross-section from an alumina melt containing additions of chromium, iron or magnesium oxides.

REFERENCES:
patent: 3527574 (1970-09-01), La Belle, Jr.
patent: 3650703 (1972-03-01), La Belle, Jr.
patent: 3715194 (1973-02-01), Plooster
patent: 3798007 (1974-03-01), Bachman et al.
patent: 3824302 (1974-07-01), Alexandrov et al.
patent: 3912521 (1975-10-01), Cline et al.
patent: 4025386 (1977-05-01), Rothrock
Yamamoto, Sci. Res. Insti., Tohoksin, Univ A (Japan), vol. 22, #4, Feb. 1971, 156-164.
Kronberg, Acta Metallurgica, vol. 5, 1957, pp. 508-524.
Sahagian et al., Conference, Growth of Crystals, Moscow, USSR, (20-21 Jul. 1966), 183-194.
Hawley Condensed Chemical Dictionary, 8th Ed., Van Hostrand Reinhold, 1971, pp. 212, 214.

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