Micro Metal Injection Molding Using Hybrid Micro/Nano Powders

Abstract:

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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.

Info:

Periodical:

Materials Science Forum (Volumes 534-536)

Edited by:

Duk Yong Yoon, Suk-Joong L. Kang, Kwang Yong Eun and Yong-Seog Kim

Pages:

381-384

DOI:

10.4028/www.scientific.net/MSF.534-536.381

Citation:

K. Nishiyabu et al., "Micro Metal Injection Molding Using Hybrid Micro/Nano Powders", Materials Science Forum, Vols. 534-536, pp. 381-384, 2007

Online since:

January 2007

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Price:

$35.00

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