Attachment of instrumentation to ceramic components

Details Attachment of instrumentation to ceramic components Attachment of instrumentation to ceramic components

1988-04-26

1991-04-09

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of inorganic material

4273762, 4273977, 4273978, 428701, 501 88, 501 90, 156281, 1563075, 156325, B05D 302, C03B 2900, C04B 3556, C04B 3702

Patent

active

050064231

ABSTRACT:
A method of bonding metallic wires, such as strain gages, thermocouples, etc., directly onto ceramic components, such as silicon nitride or silicon carbide turbine parts, by means of a refractory cement formed from a mixture of water, sodium silicate, and a ceramic powder, preferably of a composition similar to the underlying ceramic component. Several thin layers of the mixture are applied and cured so as to provide a strong bond having good thermal shock resistance for testing at typical gas turbine operating temperatures, such as 2500.degree. F. or above.

REFERENCES:
patent: 2626338 (1953-01-01), Mitchell
patent: 3245018 (1966-04-01), Russell
patent: 3341361 (1967-09-01), Gorski
patent: 3442666 (1969-05-01), Berghazan
patent: 3745502 (1973-07-01), Watanabe et al.
patent: 3805377 (1974-04-01), Talmo et al.
patent: 3913391 (1975-10-01), Kurtz
patent: 4429003 (1984-01-01), Fredriksson et al.
patent: 4659411 (1987-04-01), Gindy et al.

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