Method of manufacturing inserts preferably for machining of heat

Details Method of manufacturing inserts preferably for machining of heat Method of manufacturing inserts preferably for machining of heat

1992-03-25

1994-09-13

Bell, Mark L.

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

51293, 501 87, 501 89, 501 91, 501 92, 501 93, 501 95, B24D 334, C04B 3552

Patent

active

053465172

ABSTRACT:
The present invention relates to whisker reinforced ceramic bodies with new and improved properties. By replacing the tool pressing with injection molding, surprisingly a more homogeneous structure and more advantageous whisker orientation has been obtained. By choosing the conditions of the molding, it is possible to control the whisker orientation to get optimal material properties. Bodies according to the invention are particularly suitable for chip forming machining of heat resistant materials.

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patent: 4804645 (1989-02-01), Ekstrom
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patent: 5110770 (1992-05-01), Brandt et al.
Becher et al. Communications of the American Ceramic Society, Dec. 1984, "Toughened Behavior in SiC-Whisker-Reinforced Alumina", pp. C267-C269.
Patent Abstracts of Japan, vol. 14, No. 47 (C-682) Jan. 29, 1990 & JP 1,278,479 (Hitachi Metals Ltd.) Nov. 8, 1989.

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