Glycerol as Plasticizer for Waste Polystyrene Based Metal Injection Molding (MIM) Binder

Nurul Nadzirah Ismail; Khairur Rijal Jamaludin; Norhayati Ahmad

doi:10.4028/www.scientific.net/AMR.845.837

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 845Glycerol as Plasticizer for Waste Polystyrene...

Glycerol as Plasticizer for Waste Polystyrene Based Metal Injection Molding (MIM) Binder

Abstract:

Except for the binder characteristics and molding conditions, the powder loading has a very important effect on the compact distortion. Three types of feedstocks consist of water atomised SS316L powder with 55% waste polystyrene, 35% palm stearin and 10% glycerol were prepared. The powder loading of each feedstocks are 63%, 64% and 65% respectively. Effect of glycerol at different powder loading on rheological properties in term of flowability (n), activation energy (E) and moldability (α) were investigated. It has been observed that all feedstocks possess pseudoplastic flow behavior which is one of the most crucial requirements in MIM process. The addition of glycerol decreases the flowability index while increased the activation energy.

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Periodical:

Advanced Materials Research (Volume 845)

Pages:

837-840

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.845.837

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Online since:

December 2013

Authors:

Nurul Nadzirah Ismail*, Khairur Rijal Jamaludin, Norhayati Ahmad

Keywords:

Glycerol, Metal Injection Molding (MIM), Plasticizer, Polystyrene Waste, Rheology

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