BIMETALLIC CASTINGS MAKING METHOD Russian patent published in 2006 - IPC B22D19/16 

Abstract RU 2267378 C1

FIELD: manufacture of cast products.

SUBSTANCE: method comprises steps of making bimetallic casting of two alloys having different chemical contents and melting temperature values; preliminarily casting blank of easy-to-melt alloy such as bronze; placing it into casting mold; pouring hard-to-melt alloy such as cast iron into mold at temperature that exceeds by 10 - 20° C its zero fluidity temperature and at speed of melt motion in mold equal to 0.5 m/s; then slightly melting surface layer of bronze for forming interface layer Fe-Cu in order to provide reliable joining of bronze and iron.

EFFECT: enlarged manufacturing possibilities of process for making bimetallic castings with thin easy-to-melt layers.

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RU 2 267 378 C1

Authors

Karanik Jurij Appolinar'Evich

Dates

2006-01-10Published

2004-04-08Filed