PROCEDE D'OBTENTION DES FONTES A PROPRIETES PHYSICO-CHIMIQUES SUPERIEURES

The process comprises using a source of atomic nitrogen for microalloying with nitrogen. Thus an intimate mixture of fine-ground sodium nitrite and ammonium chloride is applied as a thin coating to the interior of the casting mould. The mould is dried prior to coating.

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Bibliographische Detailangaben
Hauptverfasser:	CALU NICOLAE,RO, COJOCARU VASILE,RO, STANCIU SERGIU,RO, COMAN GHEORGHE,RO, LAZAR AURELIAN,RO, SANDU ION,RO
Format:	Patent
Sprache:	fre ; rum
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The process comprises using a source of atomic nitrogen for microalloying with nitrogen. Thus an intimate mixture of fine-ground sodium nitrite and ammonium chloride is applied as a thin coating to the interior of the casting mould. The mould is dried prior to coating.