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Study of Solvent Debinding Parameters for Metal Injection Moulded 316L Stainless Steel

M. F. F. A., Hamidi and W. S., Wan Harun and Nur Zalikha, Khalil and S. A., Che Ghani and M. Z., Azir (2017) Study of Solvent Debinding Parameters for Metal Injection Moulded 316L Stainless Steel. In: IOP Conference Series: Materials Science and Engineering, 4th International Conference on Mechanical Engineering Research (ICMER2017), 1-2 August 2017 , Kuantan, Pahang, Malaysia. pp. 1-9., 257 (012035). ISSN 1757-899X

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Abstract

Solvent debinding is one of a crucial stage in Metal Injection Moulding (MIM) process. This process begins with the removal of the soluble binder components by using solvents such as heptane or hexane. In solvent debinding process, unsuccessful to achieve maximum binder removal will cause a defect to the compact such as crack and swelling. So to have an optimum solvent debinding parameters are very important to improve the quality of the compact. Optimisation of solvent debinding process parameters for MIM of Stainless Steel 316L has been testified in this study. Gas atomised stainless steel 316L powder was mixed with a multicomponent binder in a twin blade mixer at a temperature of 150 °C for 90 minutes. The feedstock was successfully injected at the temperature of 150 °C. The green compacts were kept in n-heptane for eight different debinding times ranging between 30 to 240 minutes at temperatures of 40, 50, 60 and 70 °C to remove the primary binder components. From the result, the optimum temperature and time for solvent debinding were recorded at 60 °C and 240 minutes. Solvent debinding temperature and time give a significant effect on the rate of paraffin wax removal.

Item Type: Conference or Workshop Item (Lecture)
Uncontrolled Keywords: Solvent debinding; Metal Injection Moulding (MIM) process; 316L stainless steel
Subjects: Q Science > Q Science (General)
T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Dr. Wan Sharuzi Wan Harun
Date Deposited: 26 Dec 2017 06:47
Last Modified: 29 Aug 2018 02:39
URI: http://umpir.ump.edu.my/id/eprint/19656
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