Article, such as a turbine rotor and blade which comprises a fir

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Coating – specific composition or characteristic

Patent

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Details

Other Related Categories

416213R, 416244A, F01D 528

Type

Patent

Status

active

Patent number

043624715

Description

ABSTRACT:
The method produces an article which has a first zone comprising a nonoxide ceramic material (which materials cannot be soldered or welded) and a second zone comprising a different, softer material such as one which can be soldered or welded to other parts. A transition layer between the zones of the article comprises both materials for bonding the zones together. The method forms the article from powders with heat and pressure.

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patent: 3665585 (1972-05-01), Dunn
patent: 3854189 (1974-12-01), Ezis et al.
patent: 3885294 (1975-05-01), Chaundy et al.
patent: 3887411 (1975-06-01), Goodyear et al.
patent: 3887412 (1975-06-01), Styhr et al.
patent: 3911188 (1975-10-01), Torti et al.
patent: 3940268 (1976-02-01), Catlin
patent: 3966885 (1976-06-01), May
patent: 3973875 (1976-08-01), Bird
patent: 4076456 (1978-02-01), Tree et al.
patent: 4214906 (1980-07-01), Langer et al.
Published Report of A. F. McLean, E. A. Fisher, and R. J. Bratton, "Brittle Materials Design, High Temperature Gas Turbine,38 Army Materials and Mechanic Research Center, CTR 72-19, Sep. 1972--p. 49.

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