High density ceramic turbine members

Details High density ceramic turbine members High density ceramic turbine members

1975-03-25

1976-11-02

Smith, Al Lawrence

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

291568B, 51323, 29 90R, B24B 100, B21K 304

Patent

active

039888665

ABSTRACT:
A ceramic member for a gas turbine is produced by a method including, forming the member to the desired configuration by conventional means and then finishing it to the desired size by a surface finish and subsequently burnishing the surface to a highly polished finish of the order of 3 to 6 RMS, and rounding off the sharp edges to a small radius in the range of 0.010 to 0.020 inch. These finishing operations are performed in the direction in which the maximum stress is to be applied to the member in its use in the turbine.

REFERENCES:
patent: 2706876 (1955-04-01), Levengood
patent: 2959843 (1960-11-01), Vitulugt
patent: 3110141 (1963-11-01), Dalgleish
patent: 3177628 (1965-04-01), Highberg
patent: 3186134 (1965-06-01), Bonin
patent: 3371908 (1968-03-01), Mito et al.
patent: 3805459 (1974-04-01), Baksay

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