Micro Metal Injection Molding Using Hybrid Micro/Nano Powders

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Abstract:

This study aims to investigate the effects of hybrid micro/nano powders in a micro metal injection molding (μ-MIM) process. A novel type of mixing-injection molding machine was used to produce tiny specimens (<1mm in size) with high trial efficiency using a small amount of feedstock (<0.05cm3 in volume). Small dumbbell specimens were produced using various feedstocks prepared by changing binder content and fraction of nano-scale Cu powder (130nm in particle size). The effects of adding the fraction of nano-scale Cu powder on the melt viscosity of the feedstock, microstructure, density and tensile strength of sintered parts were discussed.

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Periodical:

Materials Science Forum (Volumes 534-536)

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381-384

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Online since:

January 2007

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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DOI: 10.4028/www.scientific.net/msf.534-536.381

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