Hafnia modified alumina fibers

Details Hafnia modified alumina fibers Hafnia modified alumina fibers

1987-09-24

1990-05-01

Lechert, Jr., Stephen J.

Compositions: ceramic

Ceramic compositions

Refractory

501134, 501152, 428364, C03C 600

Patent

active

049218190

ABSTRACT:
Alumina fibers which incorporate hafnia and optionally zirconia plus a fourth oxide exhibit surprising grain refinement on sintering, and thereafter excellent retention of strength after exposure to high temperatures.

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Advances in Ceramics, vol. 3, Science & Tech. of Zirconia Int. J. High Tech. Ceramics 2 (1986) 207-219.
Inorganic Matls. 12 (1976) 1331-34.
Advances in Ceramics, vol. 3, Science & Tech. of Zirconia
Advances in Ceramics, vol. 12, Science & Tech. of Zirconia. Dopov. Akad. Nauk Ukr. A-6, 73-5(1985).
Dopov. Akad. Nauk Ukr. A-7, 80-83 (1981).
Fracture Mechanics of Ceramics, Bradt 903-912.

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