Composite wire with a base of cerium and other rare earths

Details Composite wire with a base of cerium and other rare earths Composite wire with a base of cerium and other rare earths

1976-04-16

1978-04-18

Rosenberg, Peter D.

Stock material or miscellaneous articles

All metal or with adjacent metals

Shaped configuration for melting

75 53, 75129, 428681, B23P 300, C21C 700, B21F 1900

Patent

active

040852520

ABSTRACT:
The invention relates to a composite wire with a base of cerium and/or rare earths such as mischmetal and intended for insertion into a bath of molten steel so as to de-oxidize and de-sulphurize the steel. When this composite wire is inserted into molten steel, it controls certain inclusions by converting manganese sulphides to sulphides of rare earths, thereby improving the resilience characteristics of the steel. The composite wire is obtained by enclosing the mischmetal wire in a metallic sheath. The diameter of the wire, the thickness of the sheath and the speed of injection are determined in accordance with characteristic curves representing particular proportional relations.

REFERENCES:
patent: 3729309 (1973-04-01), Kawawa
patent: 3768999 (1973-10-01), Ohkubo

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