Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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Transactions of Nonferrous Metals Society of China

Vol. 10    No. 4    August 2000

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Development of wax-oil-polyethylene binder for
Fe-2Ni powder injection molding①
LI Song-lin(李松林), HUANG Bai-yun(黄伯云), LI Yi-min(李益民), QU Xuan-hui(曲选辉)

State Key Laboratory for Powder Metallurgy,
Central South University of Technology, Changsha 410083, P.R.China

Abstract:A new wax-oil-polyethylene binder was developed for Fe-2Ni powder injection molding. The advantages of both wax-based and oil-based binders were acquired. Moreover, the debinding solvent could be recycled. The miscibility of the binder ingredients and the characteristics were evaluated. The results show that the maximum powder loading can reach 60%(volume fraction), and the two-direction debinding rate is over 2 mm/h. The drying time for 6.37 mm thick samples is less than 20 min. The recycle ratio of the debinding solvent is over 95%.


Key words: metal injection molding; binders; solvents

ISSN 1004-0609
CN 43-1238/TG

ISSN 1003-6326
CN 43-1239/TG

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