Process for production of sialons

Details Process for production of sialons Process for production of sialons

1977-12-14

1979-10-23

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

106 65, 106 734, 106 735, 264 85, 264332, C04B 3544

Patent

active

041721080

ABSTRACT:
Sialon, which is one of promising materials in the field of engineering ceramics, is prepared by mixing a silicon nitride precursor such as amino- or imino-silanes and an alumina precursor such as trialkoxy- or triacyloxy-aluminums or polyaluminoxanes to obtain a sialon precursor, and then heating the sialon precursor at a temperature of not lower than 1000.degree. C. either in an ammonium or inert gas atmosphere or under reduced pressures.

REFERENCES:
patent: 3960581 (1976-06-01), Cutler
patent: 4071371 (1978-01-01), Milberg
patent: 4097294 (1978-06-01), Rice
Jack, "Ceramics based on the Si--Al--O--N and Related Systems", Nature Physical Science, vol. 238, 7-10-72, pp. 28, 29.
Sugiyama et al., "Low Temperature Deposition of Metal Nitrides by Thermal Decomposition of Organometallic Compounds", J. Electroche. Soc., Nov. 1975, pp. 1545-1549.

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