FIELD: metallurgy.
SUBSTANCE: details are subject to high-temperature processing in furnace, at that joint to details into furnace it is introduced complex chemical compound of aluminium and chrome with acetylacetone in amount from 5 up to 40 g per m3 of furnace.
EFFECT: scaling prevention, reduction of oxidised near-surface layer depth, reduction of decarbonized layer thickness and loss saving of alloying ingredient in details from steel and alloys.
8 ex, 3 tbl
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SU1196416A1 |
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SU1675353A1 |
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Authors
Dates
2009-05-10—Published
2007-10-11—Filed