PRODUCTION OF IRON-BASED SINTERED MEMBER

PURPOSE:To produce a sintered member nearly free from surface cracks and having high mechanical strength. CONSTITUTION:When iron-based powder is packed into a compacting die and the resulting iron-based powder packed bed is sintered by heating, the bed is not vibrated in a temp. range in which the b...

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Bibliographic Details
Main Authors OGURA KUNIAKI, TAKAGI SHIGEAKI, YOSHII YUTAKA, KONO MASAKI
Format Patent
LanguageEnglish
Published 20.08.1993
Subjects
CASTING
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
WORKING METALLIC POWDER
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Summary:PURPOSE:To produce a sintered member nearly free from surface cracks and having high mechanical strength. CONSTITUTION:When iron-based powder is packed into a compacting die and the resulting iron-based powder packed bed is sintered by heating, the bed is not vibrated in a temp. range in which the bed expands. After the beginning of sintering, vibration is applied to the bed to increase the packing density and the bed is sintered by heating. The proper temp. range in which vibration is applied is 600-1,150 deg.C.
Bibliography:Application Number: JP19910074225