IRON BASED POWDER MATERIAL FOR FORMING IRON BASED SINTERED COMPACT, IRON BASED SINTERED COMPACT AND METHOD FOR PRODUCING THE SAME

IRON BASED POWDER MATERIAL FOR FORMING IRON BASED SINTERED COMPACT, IRON BASED SINTERED COMPACT AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a powder material which, when a high energy beam is applied, is partially or perfectly melted and solidified to form a sintered layer, and prevents the occurrence of cracks induced in the sintered compact by rapid melting/rapid solidification or the like when layer s...

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Bibliographische Detailangaben
Hauptverfasser: KUSUMOTO SHIGENORI, TAKEDA HIROYUKI, MITANI HIROYUKI, NISHI SEIJI
Format: Patent
Sprache: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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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a powder material which, when a high energy beam is applied, is partially or perfectly melted and solidified to form a sintered layer, and prevents the occurrence of cracks induced in the sintered compact by rapid melting/rapid solidification or the like when layer stacking is performed to form a precise three-dimentional sintered compact, and smoothes the surface roughness of the sintered compact affecting its shape precision. SOLUTION: The iron based powder material for forming an iron based sintered compact comprises, by mass, 0.7 to 8.0% Si, 0.04 to 0.6% S, 0.005 to 1% C, 0.2 to 15% Mn and ≤0.05% (inclusive of 0%) P. COPYRIGHT: (C)2004,JPO