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Advantages and Limitations of Using Nano Sized Powders for Powder Injection Molding Process: A Review
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نویسنده
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Rajabi Javad ,Muhamad Norhamidi ,Sulong Abu Bakar ,Fayyaz Abdolali ,Wahi Azizah
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منبع
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jurnal teknologi - 2012 - دوره : 59 - شماره : 2 - صفحه:137 -140
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چکیده
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Powder injection molding (pim) is among the most known forming techniques that use material powders. this technique has been widely evaluated for the production of large scale and small components using metal and ceramic powders. nano particles have larger surface-to-volume ratio compared with large-sized particles, thus they display high surface area. some merits in the application of nano-sized particles in the pim process includes increasing its comparative density at a low sintering temperature, decreasing sintering temperature, decreasing grain size of sintered bodies, increasing hardness value, and improving surface properties. however, it also has several disadvantages, which include increasing the viscosity behaviour of feedstock, oxidation, and agglomeration. this article reviews current studies on the effects of nano-sized particles on the pim process and finding solutions to address its disadvantages.
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کلیدواژه
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Nano sized powders; powder injection molding process; relative density; sintering temperature; surface properties
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آدرس
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Universiti Kebangsaan Malaysia, Faculty of Engineering and Built Environment, Department of Mechanical and Materials Engineering, Malaysia, Universiti Kebangsaan Malaysia, Faculty of Engineering and Built Environment, Department of Mechanical and Materials Engineering, Malaysia, Universiti Kebangsaan Malaysia, Faculty of Engineering and Built Environment, Department of Mechanical and Materials Engineering, Malaysia, Universiti Kebangsaan Malaysia, Faculty of Engineering and Built Environment, aDepartment of Mechanical and Materials Engineering, Malaysia, Universiti Kebangsaan Malaysia, Faculty of Engineering and Built Environment, Department of Mechanical and Materials Engineering, Malaysia
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Authors
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