Method for preparing high-silicon steel sheet by powder compression sintering

The invention discloses a method for preparing a high-silicon steel sheet by powder compression sintering, and belongs to the technical field of powder metallurgy. According to the method, gas atomized Fe-6.5 wt.% Si powder is used as a raw material, the powder is in a compact state through powder p...

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Hauptverfasser:	GUO ZHIMENG, SUN HAIXIA, LU XIN, SHAO YANRU, CHEN MINGXUN, WANG HAOJIE, CHEN CUNGUANG, QIN QIAN, YANG FANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS CASTING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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creator	GUO ZHIMENG SUN HAIXIA LU XIN SHAO YANRU CHEN MINGXUN WANG HAOJIE CHEN CUNGUANG QIN QIAN YANG FANG
description	The invention discloses a method for preparing a high-silicon steel sheet by powder compression sintering, and belongs to the technical field of powder metallurgy. According to the method, gas atomized Fe-6.5 wt.% Si powder is used as a raw material, the powder is in a compact state through powder presetting, the powder is placed in a vacuum sintering furnace to be metallurgically bonded through high-temperature sintering, multi-passes hot rolling are carried out to a certain thickness and then 1-4 times of cold rolling are carried out, and finally annealing is carried out at high temperatureto obtain the high-silicon steel sheet with excellent performance. Compared with adopting water atomized powder, gas atomized high-silicon steel powder is adopted and oxide inclusions of an alloy system are greatly reduced, meanwhile, the problem that spherical gas atomized powder is difficult to form is solved by adopting a direct compression sintering method, so that the process complexity and the subsequent problems of
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According to the method, gas atomized Fe-6.5 wt.% Si powder is used as a raw material, the powder is in a compact state through powder presetting, the powder is placed in a vacuum sintering furnace to be metallurgically bonded through high-temperature sintering, multi-passes hot rolling are carried out to a certain thickness and then 1-4 times of cold rolling are carried out, and finally annealing is carried out at high temperatureto obtain the high-silicon steel sheet with excellent performance. 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subjects	ALLOYS CASTING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
title	Method for preparing high-silicon steel sheet by powder compression sintering
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