A SUBSTANCE FOR NODULARIZING GRAPHITE IN LIQUID CAST IRON AND A PROCESS AND DEVICE FOR USING SAID SUBSTANCE

The pellets are made using pure iron powder and a pure inoculant powder of Mg, Ca, Ce or the other rare-earths. When using Mg, the pellets contain 1-20 wt.% Mg, 80-99wt.% Fe, (pref. 10% Mg, 90% Fe). A mixt. of pellets with varying Mg content (5-75% Mg) can also be used. The metal powders used pref....

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Bibliographische Detailangaben
Hauptverfasser:	MAQUAIRE J, BELLOCCI R, DEGOIS M
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY METALLURGY METALLURGY OF IRON PERFORMING OPERATIONS POWDER METALLURGY PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:	The pellets are made using pure iron powder and a pure inoculant powder of Mg, Ca, Ce or the other rare-earths. When using Mg, the pellets contain 1-20 wt.% Mg, 80-99wt.% Fe, (pref. 10% Mg, 90% Fe). A mixt. of pellets with varying Mg content (5-75% Mg) can also be used. The metal powders used pref. have a particle size from 100-300 mu and the mixt. is pressed into pellets using a min. press. of 1 tonne/cm2.