Solvent debinding variables on leaching fat, oil and grease (FOG) derivatives of green part stainless steel SS316L metal injection moulding

Ibrahim, Mohd Halim Irwan and Mohd Amin, Azriszul and Wahab, Md Saidin and Asmawi, Rosli and Mustafa, N. (2015) Solvent debinding variables on leaching fat, oil and grease (FOG) derivatives of green part stainless steel SS316L metal injection moulding. In: 2015 International Symposium on Technology Management and Emerging Technologies (ISTMET), 25-27 August 2015, Langkawi, Kedah, Malaysia.

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Abstract

Sewage fat or Fat Oil Grease (FOG) derivatives for binder’s component in the stainless steel SS316L feedstock being injected and undergo several test debinding variables. The influences of temperature, time and solvents type has been tested with binder formulation of 60:40 between Polypropylene (PP) and FOG derivatives besides the 60% powder loading of stainless steel powder. Experimental results of the quickest and higher percentage of FOG derivatives leach out from green part is being analysed. The green part will undergo two different solvent debinding (Heptane and Hexane) with three different solvent temperature. Debinding times was set for 10 hours and every 1, 3, 6 and 10 hours the green part will undergo weight measurement for monitoring the weight loss percentage of green part. It seems that both solvent indicates good diffusion and dilution for extracting the FOG derivatives out from the green part in producing brown part where no sign of part crack or swelling during and after solvent debinding. Energy Dispersive Spectrometer (EDS) for element detection and Scanning Electron Microscope (SEM) analysis also being perform which indicates the good pores build up. Results found that the best solvent for removing FOG derivatives is hexane with 60oC being the choice of solvent temperature.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:solvent debinding; metal injection moulding; FOG derivatives; and binder ratio
Subjects:T Technology > TJ Mechanical engineering and machinery > TJ1125-1345 Machine shops and machine shop practice
Divisions:Faculty of Mechanical and Manufacturing Engineering > Department of Engineering Mechanics
ID Code:7257
Deposited By:Normajihan Abd. Rahman
Deposited On:21 Sep 2015 15:13
Last Modified:21 Sep 2015 15:13

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