B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 19/08 (2006.01)
Patent
CA 2048553
ABSTRACT OF THE DISCLOSURE A method for impregnating an aluminum product with a hard wear resistant surface area comprises providing a desired pattern of particles thereon, providing a sand core which has an high temperature adhesive layer on at least a portion thereof and transferring the pattern of particles onto the adhesive layer, in such a manner so as to minimize contact with the adhesive. After the adhesive is cured, an aluminum melt is cast around the carbides so as to produce an aluminum product having a wear resistant material surface layer. Preferably, the aluminum alloy contains about 4% by weight of copper and the wear resistant material comprises tungsten carbide containing 12 wt.% Co. In one embodiment, the particles are transferred onto the adhesive layer through the use of an adhesive tape which is used to pick up the pattern of particle and then placed upon the adhesive layer on the core surface.
Borden Ladner Gervais Llp
Deere & Company
Revankar Gopal S.
LandOfFree
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