High-temperature, high-emissivity, optically black boron surface

Details High-temperature, high-emissivity, optically black boron surface High-temperature, high-emissivity, optically black boron surface

1988-12-05

1991-07-30

Pianalto, Bernard

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

427 34, 427162, 427402, 428457, 428689, 428704, B32B 904

Patent

active

050359495

ABSTRACT:
An article of manufacture comprises a substrate and an optically black surface on the substrate and having an absorptivity of more than about 0.89 and an emissivity more than about 0.86. The surface comprises boron particles plasma spray applied to the substrate using a powder selected from the group consisting of crystalline boron having a particle size finer than about 200 mesh and amorphous boron.

REFERENCES:
patent: 3231416 (1966-01-01), Fuller
patent: 4342734 (1982-08-01), Kumar et al.

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