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Title: Investigation of the Moldability Parameters of PEG Based Steatite Feedstocks by Powder Injection Molding
Authors: Ergüey, S.
Karataş, C.
Ünal, H. I.
Sarıtaş, S.
Keywords: [No Keywords]
Issue Date: 2011
Publisher: Carl Hanser Verlag
Abstract: In powder injection molding (PIM) barrel temperature, injection pressure and injection rate are important parameters for the molding of powder-binder mixtures. Improperly selected parameters lead to undesired problems such as separation of the powder-binder mixture and formation of collapses and cracks on the structure of the molded parts. In this study, steatite feedstocks based on PEG (polyethylene glycol) binders were injection molded into rectangular shape, ordered thickness with steps and zig-zag shaped mold cavities. The effects of the temperature and pressure of injection, rate of filling, temperature of the mold wall and geometry of the mold cavities were investigated. The optimum molding parameters of the feedstocks for the zig-zag shaped mold were determined to be an injection pressure of 80 to 140 MPa, a barrel temperature of 190 to 230 degrees C, an injection rate of 5-25 . 10(-6) m(3) s(-1) and a mold wall temperature of 32 degrees C.
ISSN: 0930-777X
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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