Coated metal nodule solar heat collector

Details Coated metal nodule solar heat collector Coated metal nodule solar heat collector

1978-03-06

1979-10-23

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

428632, 428675, 428935, 126417, B32B 1520

Patent

active

041719930

ABSTRACT:
A solar heat collector comprising a metallic substrate having nodular or dendritic surfaces coated with a black absorber coating, and the method of preparing same.

REFERENCES:
patent: 3518168 (1970-05-01), Byler et al.
patent: 3857681 (1974-12-01), Yates et al.
patent: 4005698 (1977-02-01), Cuomo et al.
patent: 4055707 (1977-10-01), McDonald
Driver, P. et al.,"A New Chrome Black Selective Absorbing Surface," Solar Energy, Pergaman Press, Great Britain, pp. 301-306 (1977).
Branciaroli, et al., Plating, vol. 56, pp. 37-43 (1/1969).
Albertson, C., "New Solar-Energy Absorber Holds Its Heat," Machine Design 4/3/75, p. 24.
Fan, J., et al., Selective Black Absorbers Using Rf-sputtered Cr.sub.2 O.sub.3 /Cr, Cermet Films, Applied Physics Letters, vol. 30, 5/15/77, pp. 511-513.

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