Metal founding – Means to directly apply electrical or wave energy to work – Arc electrode
Patent
1979-02-21
1981-08-18
Baldwin, Robert D.
Metal founding
Means to directly apply electrical or wave energy to work
Arc electrode
B22D 2702, B22D 710
Patent
active
042841232
ABSTRACT:
In a method of and apparatus for producing ingots of unalloyed and alloyed steels having an improved primary crystallization, reduced ingot segregation and a reduced content of non-metallic inclusions, molten steel is poured into a mould, a slag mixture is supplied onto said steel, energy is supplied to the slag mixture while the steel is solidifying in the mould, and the upper rim zone of the molten steel bordering on the slag mixture is cooled.
REFERENCES:
patent: 1668567 (1928-05-01), Messler
patent: 2129821 (1938-09-01), Charman
patent: 2148583 (1939-02-01), Rowe
patent: 2369233 (1945-02-01), Hopkins
patent: 2445670 (1948-07-01), Hopkins
Kuhnelt Gert
Machner Peter
Plockinger Erwin
Baldwin Robert D.
Vereinigte Edelstahlwerke Aktiengesellschaft (VEW)
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