Process for forming a high alloy layer on a casting

Details Process for forming a high alloy layer on a casting Process for forming a high alloy layer on a casting

1985-04-26

1987-03-03

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164 591, 164 97, 164 9, B22D 1900

Patent

active

046468110

ABSTRACT:
A process of forming a high alloy layer on a surface of an aluminum alloy casting. The process comprises steps of providing a mixture of fine powders having an average powder size finer than 10 microns, preferably finer than 1.0 micron, of an alloying metal or an alloying alloy and an acrylic binder, shaping the mixture into a sheet, heat treating the sheet at 150.degree. to 380.degree. C. for more than 5 minutes, placing the heat treated sheet on a surface of a casting mould or a chilling block, and casting molten aluminum alloy.

REFERENCES:
patent: 3361560 (1968-01-01), Severns
patent: 3450189 (1969-06-01), MacDonald
patent: 3792726 (1974-02-01), Sakai
patent: 4197902 (1980-04-01), Von Jan
The Condensed Chemical Dictionary, 6th ed, revised by Rose, Reinhold Pub. Corp.

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