VACUUM PROCESSING OF REACTIVE METAL

In the particular embodiments described in the specification, a vacuum furnace includes a conveying arrangement for holding four solid metal members (16, 22) with their end faces (18) in closely-spaced relation and an energy beam gun (11) directs energy (12) to the adjacent faces to melt the metal....

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Bibliographische Detailangaben
1. Verfasser:	HARKER, HOWARD, R
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FERROUS OR NON-FERROUS ALLOYS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OPEN SINTERING OR LIKE APPARATUS OVENS PERFORMING OPERATIONS POWDER METALLURGY PRETREATMENT OF RAW MATERIALS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL PRODUCTION AND REFINING OF METALS RETORTS TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	In the particular embodiments described in the specification, a vacuum furnace includes a conveying arrangement for holding four solid metal members (16, 22) with their end faces (18) in closely-spaced relation and an energy beam gun (11) directs energy (12) to the adjacent faces to melt the metal. Metal (20) ejected from the heated surfaces by explosive vaporization of inclusions in the metal is trapped by the adjacent surfaces of the other metal members. Dans les modes particuliers de réalisation décrits dans l'invention, un four à vide comprend un agencement transporteur pour tenir 4 éléments métalliques solides (16, 22) dont les faces extrêmes (18) ont une relation d'espacement serré, et un canon à faisceau d'énergie (11) envoie une énergie (12) sur les faces adjacentes pour fondre le métal. Le métal (20) éjecté des surfaces chauffées par vaporisation explosive d'inclusions dans le métal est emprisonné par les surfaces adjacentes des autres éléments métalliques.