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

1991-05-22

1998-02-24

Nguyen, Ngoc-Yen

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428662, 428663, 428664, 428665, 428704, 428937, 428674, B32B 1500

Patent

active

057210608

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: 2876139 (1959-03-01), Flowers
patent: 3231416 (1966-01-01), Fuller
patent: 4101319 (1978-07-01), Beyer et al.
patent: 4342734 (1982-08-01), Kumar et al.
patent: 4443521 (1984-04-01), Kushner et al.
patent: 4571983 (1986-02-01), Sanborn et al.
patent: 4582764 (1986-04-01), Allerd et al.
patent: 4894125 (1990-01-01), Fenolia et al.
patent: 5035949 (1991-07-01), Shepard et al.
Metco, "Powders for Flame-Spraying", pp. 2-3, Jul. 1963.

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