Mixing Study of Aluminium Waste as Metal Powder for Waste Polystyrene Binder System in Metal Injection Molding (MIM)

The mixing process of a newly developed binder system based on waste polystyrene (PS) and palm kernel oil (PKO) to produce feedstock for metal injection molding (MIM) using aluminium waste as metal powder is described. Since mixing is a critical step in MIM process, therefore the mixture of powder and binder should be homogeneous and moldable. In this study, aluminium powder produced from waste aluminium alloy was mixed with a new binder system consisting of waste polystyrene and palm kernel oil in a Brabender Plastograph EC rotary mixer. Several tests were performed to assess the homogeneity of the feedstock that was produced at 60 vol.% powder loadings.The tests conducted were density, binder burn-out and SEM morphology observation. It was found that the feedstock shows good homogeneity and suitable for further processing in MIM.

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Characterization of Stainless Steel 316L Feedstock for Metal Injection Molding (MIM) Using Waste Polystyrene and Palm Kernel Oil Binder System

IOP Conference Series Materials Science and Engineering ◽

10.1088/1757-899x/160/1/012062 ◽

2016 ◽

Vol 160 ◽

pp. 012062 ◽

Cited By ~ 4

Author(s):

R. Asmawi ◽

M.H.I Ibrahim ◽

A. M. Amin ◽

N. Mustafa

Keyword(s):

Stainless Steel ◽

Injection Molding ◽

Palm Kernel ◽

Metal Injection Molding ◽

Binder System ◽

Stainless Steel 316L ◽

Palm Kernel Oil ◽

Kernel Oil ◽

Waste Polystyrene

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Mixing and Characterisation of Stainless Steel 316L Feedstock for Waste Polystyrene Binder System in Metal Injection Molding (MIM)

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.607.83 ◽

2014 ◽

Vol 607 ◽

pp. 83-86 ◽

Cited By ~ 4

Author(s):

Rosli Asmawi ◽

Mohd Halim Irwan Ibrahim ◽

Azriszul Mohd Amin

Keyword(s):

Stainless Steel ◽

Injection Molding ◽

Palm Kernel ◽

Steel Powder ◽

Metal Injection Molding ◽

Binder System ◽

Stainless Steel 316L ◽

Palm Kernel Oil ◽

Kernel Oil ◽

Waste Polystyrene

This paper describes the mixing process and homogeneity analysis of a newly developed binder system based on waste polystyrene (PS) and palm kernel oil (PKO) to produce feedstock for metal injection molding (MIM). Since mixing is a critical step in MIM process, hence the mixture of powder and binder should be homogeneous and injectable. In this study, water atomised Stainless Steel powder was mixed with a new binder system consisting of waste polystyrene and palm kernel oil in a Brabender Plastograph EC rotary mixer. Several tests were performed to assess the homogeneity of the feedstock that was produced at 60 vol.% powder loadings. The 60 vol.% was chosen because the Critical Powder Volume Concentration (CPVC) of the SS316L powder was found to be 64.8 vol.%. The tests conducted were density, binder burn-out and SEM morphology observation. It was found that the feedstock shows good homogeneity and suitable for further processing in MIM.

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Kinetics Studies of Epoxidation and Oxirane Cleavage-Epoxidized Palm Kernel Oil

Recent Innovations in Chemical Engineering (Formerly Recent Patents on Chemical Engineering) ◽

10.2174/2405520413666200117091235 ◽

2020 ◽

Vol 13 (3) ◽

pp. 232-240

Author(s):

Mohd Jumain Jalil ◽

Aliff Farhan Mohd Yamin ◽

Mohd Saufi Md Zaini ◽

Veronique Gloria V. Siduru ◽

Norhashimah Morad ◽

...

Keyword(s):

Fatty Acids ◽

Reference Material ◽

Palm Kernel ◽

High Yield ◽

Simulation Data ◽

Kinetic Rate ◽

Palm Kernel Oil ◽

Kinetics Studies ◽

Kernel Oil ◽

Oxirane Cleavage

Background: Studies pertaining to the epoxidation of fatty acids, garnered much interest in recent years due to the rising demand of eco-friendly epoxides derived from vegetable oils. Methods: Epoxide is an important chemical precursor for the production of alcohols, glycols and polymers, like polyesters and epoxy resin. Epoxidation is the name given to the reaction when the double bonds are converted into epoxide. Results: Temperature at 55oC was used as a reference material in the epoxide process, as it produces a high yield epoxide being 88%. The kinetic rate of epoxidized palm kernel oil, k was obtained to be k11= 0.5125, k12= 0.05045, k21= 0.03185, k41= 0.01 and k51= 0.01243. Conclusion: Hence, by fitting the result with the experimental work and simulation, the summation of error being stimulated by I-sight simulation was 0.731116428 and the correlation between the experimental and simulation data was 0.925544.

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