Anodic coating with enhanced thermal conductivity

Details Anodic coating with enhanced thermal conductivity Anodic coating with enhanced thermal conductivity

1988-04-25

1989-04-18

Tung, T.

Chemistry: electrical and wave energy

Processes and products

204273, 204274, C25D 1110

Patent

active

048224588

ABSTRACT:
A method of and apparatus for anodization uses an electrolyte consisting of .0 percent by weight of aqueous solution of oxalic acid, an anodization temperature in the range of 0.degree.-5.degree. C., and an anodization voltage starting at 100 volts and progressing to 300 volts after 90 minutes at an anodization current density of 2-3 amps per decimeter.sup.2 to provide a 30-40 micrometer thickness having a thermal conductivity of 1.3 Watt/meter/C.

REFERENCES:
patent: 1027495 (1912-05-01), McNitt
patent: 1964736 (1934-07-01), Laurin et al.
patent: 3997412 (1976-12-01), Megaya et al.
patent: 4214952 (1980-07-01), Sato et al.

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