Surface coating made from an aluminum-based alloy

Details Surface coating made from an aluminum-based alloy Surface coating made from an aluminum-based alloy

1990-11-13

1992-09-01

Kastler, Scott

Stock material or miscellaneous articles

All metal or with adjacent metals

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

148903512, C21D 1000

Patent

active

051435578

ABSTRACT:
A substrate based on aluminum (Al) is given a surface coating of aluminum (Al) and silicon (Si) and of at least one element X from the group iron (Fe), nickel (Ni), cobalt (Co), manganese (Mn and chromium (Cr), the total proportion of elements X being 1 to 35 wt.%. Depending on the concentration (C) of elements X in wt.%, the minimum hardness over at least 50% of the coated surface, measured in HV 0.05, can be calculated from the formula;

REFERENCES:
patent: 4122240 (1978-10-01), Banas et al.
patent: 4157923 (1979-06-01), Yen et al.
patent: 4212900 (1980-07-01), Serlin
patent: 4729790 (1988-03-01), Skinner
patent: 4747884 (1988-05-01), Gayle
patent: 4826736 (1989-05-01), Nakamura et al.
P. L. Antona, et al, Laser Surface Remelting and Alloying of Aluminum Alloys, Laser Treatment of Materials, D.G.M. Informations--Gesellschaft Verlag, Dec. 1987, pp. 132-145.

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