Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent
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.
Katoh Haruzo
Matsubara Nagayoshi
Miura Hirohisa
Watsuji Takashi
Yamada Yasuhiro
David Darlene
Jones Deborah
Toyo Aluminum Kabushiki Kaisha
Toyota Jidosha & Kabushiki Kaisha
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