Manufacturing process for sintered ceramic body for cutting tool

Details Manufacturing process for sintered ceramic body for cutting tool Manufacturing process for sintered ceramic body for cutting tool

1980-07-18

1985-05-21

Derrington, James H.

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

264 65, 264 66, 264570, 501 87, 501 96, 501127, 501153, B24D 316, C04B 3510, C04B 3552, C04B 3558

Patent

active

045183988

ABSTRACT:
A sintered ceramic body for cutting tools having a residual porosity of not exceeding 0.2% by volume and mean crystal grain size of not exceeding 2.mu. is obtained by sintering a mixture substantially consisting of 70-95% by volume alumina and the balance of titanium nitride and Zr-containing component(s) such as Zr, ZrC and/or ZrN wherein the volumetric ratio of TiN/Zr-containing component(s) ranges 95/5-50/50 under the pressure application of 50-3000 Kg/cm.sup.2. The sintering may be carried out by hot pressing or HIP process.

REFERENCES:
patent: 4204873 (1980-05-01), Yamamoto et al.
patent: 4249914 (1981-02-01), Ogawa et al.
patent: 4325710 (1982-04-01), Tanaka et al.
patent: 4366254 (1982-12-01), Rich et al.

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