Aluminum product having metal diffusion layer, process for produ

Details Aluminum product having metal diffusion layer, process for produ Aluminum product having metal diffusion layer, process for produ

1997-09-22

1999-11-23

Jones, Deborah

Stock material or miscellaneous articles

All metal or with adjacent metals

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

148317, B32B 1500

Patent

active

059897341

ABSTRACT:
An aluminum product having the metal diffusion layer in the present invention has, on the surface thereof, a metal diffusion layer comprising aluminum and a diffusion metal which is diffused setting aluminum as a matrix and which includes at least one selected from the group consisting of Ni, Cr, Cu, Zn, Mg, Ti and Ag; wherein the diffusion layer is formed by diffusing inclinatorily not less than 1 .mu.m from the surface thereof; and the diffusion metal is not less than 1.0% by weight when the whole of the metal diffusion layer is set to be 100% by weight. Also, in a process for producing an aluminum product having a metal diffusion layer, the surface of the aluminum product is brought into contact with the processing agent including at least the diffusion metal powder; and in this state by conducting heat treatment in the atmosphere including nitrogen, the diffusion metal is diffused on the surface of the aluminum product and the metal diffusion layer is formed. Thus, the present invention supplies the aluminum product having the metal diffusion layer on the surface thereof and the process for producing the aluminum product having this kind of metal diffusion layer on the surface thereof.

REFERENCES:
patent: 3390970 (1968-07-01), Bothwell
patent: 5514225 (1996-05-01), Yamada et al.
patent: 5582655 (1996-12-01), Yamada et al.
Abstract, SU-A-722-994, Derwent Publications Ltd., London, GB, Section Ch, Week 8044, Mar. 1980.

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