Strength improvement in machined SiC bodies

Details Strength improvement in machined SiC bodies Strength improvement in machined SiC bodies

1976-04-09

1977-06-21

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

106 44, 264 67, C04B 3556

Patent

active

040311783

ABSTRACT:
A silicon carbide body with a density of at least 85% is machined to required specification and then fired at a temperature ranging from 1400.degree. C to 2100.degree. C in a firing atmosphere ranging in pressure from 10.sup..sup.-3 torr to 25 torr to increase its fracture strength by at least 10%.

REFERENCES:
kriegel et al., Mechanical Property of Engineering Ceramics, pp. 340-341 (1961).

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