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An influence of a binder system to the rheological behavior of the SS316l Metal Injection Molding (MIM) feedstock

Jamaludin, Khairur Rijal and Muhamad, N. and Abolhasani, H. and Murtadhahadi, Murtadhahadi and Ab. Rahman, M. N. (2011) An influence of a binder system to the rheological behavior of the SS316l Metal Injection Molding (MIM) feedstock. Advanced Materials Research, 264-26 . pp. 554-558. ISSN 1022-6680

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Official URL: http://dx.doi.org/10.4028/www.scientific.net/AMR.2...

Abstract

The influence of a binder system to the rheological behavior of a metal injection molding (MIM) feedstock is presented in the paper. The binder systems used are: a) PEG & PMMA b) Palm stearin & LLDPE and, c) Tapioca starch & LLDPE. The viscosity and shear rate of the feedstocks were measured at various range of temperature and shear rate across the L/D = 10 capillary rheometer. The flow behavior index, n and activation energy, E of each feedstock were measured to show its significance as MIM feedstock. Generally, the result indicates all feedstock exhibits a shear thinning behavior and the binders are suitable as MIM binder. Additionally, the present paper has discovered that the binder system does not have much influence to the activation energy. In order to show the relevance of the rheological bahavior to the actual injection molding performance, green parts has been injection molded and the results shows an agreement with the rheological behavior result.

Item Type:Article
Uncontrolled Keywords:binder system, Metal Injection Molding (MIM)
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Razak School of Engineering and Advanced Technology
ID Code:28681
Deposited By: Liza Porijo
Deposited On:16 Nov 2012 03:12
Last Modified:16 Nov 2012 03:12

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