Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing
Patent
1998-07-09
1999-11-30
Green, Anthony
Compositions: ceramic
Ceramic compositions
Carbide or oxycarbide containing
204164, 252516, 2525181, 2525202, 25252022, 2525205, 264104, 264430, 264449, 264451, 501 961, 501 963, 501103, 501104, 501105, 501127, C04B 3556, C04B 3558, C04B 35101, B28B 100
Patent
active
059942509
ABSTRACT:
A sintered ceramic body which can be worked by electrical discharge machining, has high mechanical strength, and can be worked into sintered ceramic tools which have long life is disclosed. Further, sintered ceramic tools which have long life and scarcely cause flaws in work pieces are provided. The sintered ceramic body comprises ceramic particles having specific particle diameter and particle distribution.
REFERENCES:
patent: 4598053 (1986-07-01), Yamakawa et al.
patent: 4626518 (1986-12-01), Watanabe et al.
patent: 5068072 (1991-11-01), Horinouchi et al.
patent: 5169810 (1992-12-01), Jones
Morishita Takayoshi
Suzuki Keiji
Yogo Tetsuji
Green Anthony
NGK Spark Plug Company Limited
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