Method for production of ceramic oxide and carbide bodies by pol

Details Method for production of ceramic oxide and carbide bodies by pol Method for production of ceramic oxide and carbide bodies by pol

1984-08-30

1985-08-27

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

4234475, 428408, C01B 3107

Patent

active

045378185

ABSTRACT:
A method for the preparation of thin, free-standing metal oxide films which are useful as nuclear accelerator target materials. Cations of any metal except those of Group IA and precious metals, such as, U, Zr, Nd, Ce, Th, pr or Cr, are absorbed on a thin film of polymeric material, such as, carboxymethylcellulose, viscose rayon or cellophane. The cation impregnated polymeric material is dried. Then the impregnated film is heated in an inert atmosphere to form a carbonized membrane. The carbonized membrane is oxidized to yield a thin, self-supporting, metal oxide membrane. Or, the membrane can be heated in an inert atmosphere to yield a thin, self-supporting, metal carbide-containing membrane.

REFERENCES:
patent: 3242000 (1966-03-01), Lynch
patent: 3400181 (1968-09-01), Battista
patent: 3403008 (1968-09-01), Hamling
patent: 3479151 (1969-11-01), Gutzeit
patent: 3803056 (1974-04-01), Hart
Maier, "Preparation of Nuclear Accelerator Targets by Vacuum Evaporation", IEEE Transactions on Nuclear Science, vol. NS-28, No. 2, Apr. 1981, pp. 1576-1583.

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