Stock material or miscellaneous articles – All metal or with adjacent metals – Having composition – density – or hardness gradient
Patent
1980-10-22
1983-10-11
Lewis, Michael L.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having composition, density, or hardness gradient
428678, 428681, 428685, 428925, B32B 1500
Patent
active
044092962
ABSTRACT:
A rapidly quenced, cast metallic strip is disclosed comprising a plurality of dissimilar portions, each portion metallurgically alloy-bonded during casting to adjacent portions along the longitudinal extent of the strip. In the method and apparatus for producing such strip a stream of molten metal is delivered onto a casting surface from a first crucible and at least one additional dissimilar stream of molten metal is delivered onto the casting surface such that a peripheral edge of the dissimilar stream contacts a peripheral edge portion of adjacent dissimilar metal to create a metallurgical alloy-bond therebetween during casting.
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Allegheny Ludlum Steel Corporation
Lewis Michael L.
Viccaro Patrick J.
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