Process for producing parts with an abrasion-proof surface

Details Process for producing parts with an abrasion-proof surface Process for producing parts with an abrasion-proof surface

1991-10-01

1993-11-16

Rosenbaum, Mark

Metal founding

Process

Shaping liquid metal against a forming surface

164 80, 164 711, B22D 1914, B22D 2306

Patent

active

052614778

ABSTRACT:
The process according to the invention involves using an infiltration technique with a binder metal 16 in a layer filled with grains of melted tungsten carbide 15, the layer being arranged between the walls of a mould 13 and a core 2, the walls of the mould being made of foundry sand bonded by resins. The invention makes it possible to reduce the cost of the infiltration process.

REFERENCES:
patent: 1547836 (1925-07-01), Steenstrup
patent: 4947942 (1990-08-01), Morita et al.
patent: 5000273 (1991-03-01), Horton et al.
patent: 5020584 (1991-06-01), Aghajanian et al.

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