Method for forming machinable unfired ceramic compacts

Details Method for forming machinable unfired ceramic compacts Method for forming machinable unfired ceramic compacts

1991-10-23

1993-06-01

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 63, 264 67, 264128, 264133, C04B 4183

Patent

active

052156931

ABSTRACT:
A method is provided for forming machinable ceramic compacts, which are in the unfired, preconsolidated condition. The method of this invention adds the binder to the ceramic powder mixture after the compact is formed by compaction, as opposed to conventional practice wherein the binder is added to the mixture prior to compaction. The unfired ceramic compacts which are formed by the method of this invention are characterized by high strength, excellent durability and enhanced machinability.

REFERENCES:
patent: 3056704 (1962-10-01), Rothweiler
patent: 3953562 (1976-04-01), Hait et al.
patent: 4045412 (1977-08-01), Yamada et al.
patent: 4127629 (1978-11-01), Weaver et al.
Teter "Binders for Machinable Ceramics", In Ceramic Age 82 [8] 1966, pp. 30-32.

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