简介概要

Novel PEG-based binder system and its debinding properties for MIM

来源期刊:中国有色金属学报(英文版)2001年第1期

论文作者:李笃信 曲选辉 黄伯云 钟孝贤 李松林 李益民

文章页码:90 - 94

Key words:metal injection molding; binder; debinding

Abstract: Binder system is critical to the success of metal injection molding(MIM). A novel PEG-based binder for MIM was developed, which was made of high density polyethylene (HDPE), polyethylene glycol (PEG), polymer W, stearic acid(SA) and dioctyl phthalate (DOP). The components of binder have interactions with each other, so the binder have good compatibility. The thermal decomposition process of binderexhibits three stages during debinding. The binder could be debound by pyrolysis or solvent, and could easily be removed in a short time in ethanol without defects and evironmental concern. A lot of interconnected pores formed after solvent debinding, which is helpful to the escape of pyrolysis gases during subsequent thermal debinding or presintering.

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