MIXED POWDER FOR IRON-BASED POWDER METALLURGY, METHOD FOR PRODUCING SAME, AND SINTERED BODY PRODUCED USING SAME

The mixed powder for iron-based powder metallurgy of the present invention comprises a powder containing calcium sulfate anhydrite II such that the CaS weight ratio after sintering is 0.01 wt% or more to 0.1 wt% or less. The powder containing calcium sulfate anhydrite II preferably has a volume-aver...

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Bibliographische Detailangaben
1. Verfasser:	AKAGI, Nobuaki
Format:	Patent
Sprache:	eng ; fre ; ger
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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Beschreibung
Zusammenfassung:	The mixed powder for iron-based powder metallurgy of the present invention comprises a powder containing calcium sulfate anhydrite II such that the CaS weight ratio after sintering is 0.01 wt% or more to 0.1 wt% or less. The powder containing calcium sulfate anhydrite II preferably has a volume-average particle size of 0.1 µm or more to 60 µm or less and preferably additionally contains one or more ternary oxides selected from the group consisting of Ca-Al-Si oxides and Ca-Mg-Si oxides. The weight ratio of the ternary oxides and CaS after the sintering is preferably 3 : 7 to 9 : 1.