FIELD: steelmaking. SUBSTANCE: working face of copper slabs of molds is electrolytically chrome coated, after which face is treated by electron beam at a temperature at least by 50 C below temperature of chromium drop formation and with electron energy 1.2-1.5 MeV and beam displacement velocity 12-36 m/h. EFFECT: increased strength of slab face. 2 cl
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Authors
Dates
1997-10-27—Published
1995-08-31—Filed