Excellent far-infrared radiating material

Details Excellent far-infrared radiating material Excellent far-infrared radiating material

1993-01-15

1994-10-18

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

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

4284722, 428633, 428935, B32B 1520

Patent

active

053567242

ABSTRACT:
A material for producing far-infrared radiation is disclosed. The material comprises a substrate and an Al--Mn alloy-derived oxide surface layer on the substrate, the oxide surface layer being porous with an average pore diameter of 0.01-2.0 micrometers and a porosity of 10.sup.3 -10.sup.12 pores/cm.sup.2, the weight ratio of Mn/Al of the oxide surface layer being 0.001-2.0, and the thickness of the oxide surface layer being 0.1-100 micrometers.

REFERENCES:
patent: 3268422 (1966-08-01), Smith et al.
patent: 4148294 (1979-04-01), Scherber et al.
patent: 4966659 (1990-10-01), Seto et al.

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