Alumina coated silcon carbide whisker-alumina composition

Details Alumina coated silcon carbide whisker-alumina composition Alumina coated silcon carbide whisker-alumina composition

1987-09-02

1989-01-31

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Composite

Of inorganic material

428699, 428701, C04B 4187, C04B 3580, C04B 3584

Patent

active

048015105

ABSTRACT:
An article of manufacture is provided having a SiC whisker reinforced alumina matrix substrate which has an alumina coating bonded to its exterior surface. It has been found that these articles are useful as cutting inserts in the high speed rough machining of steels.

REFERENCES:
patent: 4485179 (1984-11-01), Brennan et al.
patent: 4532182 (1985-07-01), Short et al.
patent: 4589900 (1986-05-01), Brennan et al.
patent: 4652413 (1987-03-01), Tiegs
patent: 4657877 (1987-04-01), Becher et al.
"Multitoughening Ceramic," TECHNO Japan, vol. 19, No. 10, Oct. 1986.
"60 Year Old Grows Whiskers," Metal Powder Report, Jul. 1986.

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