DEBINDING METHOD FOR METAL INJECTION MOLDING

PURPOSE: A degreasing method for metal powder injection molding is provided to secure the safety of a sintering process and improve the quality of products by completely removing the remaining binder. CONSTITUTION: A degreasing method for metal powder injection molding comprises steps of: mixing a b...

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Bibliographic Details
Main Authors JUNG, MIN HO, YEO, HWAN GYUN, JEON, SEONG JUN
Format Patent
LanguageEnglish
Korean
Published 04.11.2011
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: A degreasing method for metal powder injection molding is provided to secure the safety of a sintering process and improve the quality of products by completely removing the remaining binder. CONSTITUTION: A degreasing method for metal powder injection molding comprises steps of: mixing a binder and metal powder(S1), injection-molding the mixed material into a desired shape(S2), removing the binder included in the injection molded product(S3), and completing the shape of the injection molded product through high-temperature sintering(S4). The binder removing step includes a catalyst degreasing step(S31) and a pyrolysis degreasing step(S32) which are consecutively implemented. The pyrolysis degreasing step includes a resin degreasing step(S321) and a reinforcing agent degreasing step(S322).
Bibliography:Application Number: KR20110049756