Plastic and nonmetallic article shaping or treating: processes – Including step of generating heat by friction
Patent
1974-02-22
1976-06-29
Arnold, Donald J.
Plastic and nonmetallic article shaping or treating: processes
Including step of generating heat by friction
106 44, 264 66, 264332, C04B 3552
Patent
active
039668550
ABSTRACT:
A method is provided for fabricating silicon carbide articles which comprises hot pressing a homogeneous mixture of carbonaceous particles and silicon carbide powder. The presence of the carbon limits grain growth so that a silicon carbide product having greatly improved physical properties is obtained. The method is suitable for fabricating structural elements, e.g., structural components in the hot sections of air breathing propulsion systems.
REFERENCES:
patent: 2938807 (1960-05-01), Andersen
patent: 3275722 (1966-09-01), Popper
patent: 3442989 (1969-05-01), Hildebrandt
Alliegro et al., "Pressure-Sintered Silicon Carbide," J. Am. Cer., Soc., 39 [11] pp. 386-389.
Crane Robert L.
Hollenberg Glenn W.
Arnold Donald J.
Kuhn Cedric H.
Parrish John
Rusz Joseph E.
The United States of America as represented by the Secretary of
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