ADJUSTING MATERIAL IN SMELTING IRON AND STEEL, AND METHOD OF REUSING MMC SCRAP

PROBLEM TO BE SOLVED: To provide an adjusting material in smelting iron and steel, which leads to expansion of use for a metal matrix ceramic composite (MMC) member and effective recycling of the MMC scrap, and to provide a method for recycling MMC scrap. SOLUTION: The adjusting material in smelting...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAHASHI HEISHIRO, ONIMARU YOSHIO, CHONABAYASHI SATOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL DISPOSAL OF SOLID WASTE FERROUS OR NON-FERROUS ALLOYS METALLURGY METALLURGY OF IRON MILLING GRAIN PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING PRETREATMENT OF RAW MATERIALS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL PRODUCTION AND REFINING OF METALS RECLAMATION OF CONTAMINED SOIL SOIL TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an adjusting material in smelting iron and steel, which leads to expansion of use for a metal matrix ceramic composite (MMC) member and effective recycling of the MMC scrap, and to provide a method for recycling MMC scrap. SOLUTION: The adjusting material in smelting iron and steel is characterized by including MMC scrap which has aluminum or aluminum alloy as a matrix, preferably being scrap of a brake rotor or the rotor shavings, and preferably being a deoxidation material and/or a slag-making material. The method for reusing the MMC scrap is characterized by crushing the MMC scrap through a crushing process consisting of primary crush and secondary crush, and using crushed coarse materials after secondary crush as a deoxidation material for steel making, and particulate parts as a slag-making material for steel making after granulating them.