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Physical properties of recycling milled aluminium chip (AA6061) for various sintering temperature

Mustapa, Mohd Sukri and Mahdi, Ahmed Sahib and Lajis, Mohd Amri and Abd Rashid, Mohd Warikh (2016) Physical properties of recycling milled aluminium chip (AA6061) for various sintering temperature. International Journal of Mechanical and Industrial Technology, 3 (2). pp. 33-40. ISSN 23487593

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In this investigation, AA6061 milled particle size was fabricated by milling machine plus compacted by hydraulic press in room temperature. Finally, sintering in the temperature range of 478-617 OC. Four groups of particle size were chosen (25, 63, 100, mix) μm. Each group has compacted by three specimens for various of Sintering temperature (487, 552, 617) OC, the compaction pressure and holding time were constant (9) tons, (20) min respectively. The physical properties of the four groups depend on the variations of sintering temperature. So, it is useful first to present and discuss the results of microstructure to understand the physical properties. In this study, the density value was increased with the increasing of sintering temperature value to (552) OC of all types of suggested groups due to the bonding between particles was stronger, in addition, the pores amount was decreased. After that, it was decreased due to the particles become big size lead to the barriers were decreased. The maximum value of density was detected by mix group which was (2.601 gm/cm3) while the particle size (25) μm was the minimum value which was (2.494 gm/cm3). Whereas the groups (63) μm and (100) μm were (2.590 gm/cm3) and (2.593 gm/cm3) respectively.

Item Type: Article
Uncontrolled Keywords: Physical properties; milling process; sintering temperature; powder metallurgy; AA6061
Subjects: T Technology > TS Manufactures > TS200-770 Metal manufactures. Metalworking
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Manufacturing and Industrial Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 13 Aug 2018 03:24
Last Modified: 13 Aug 2018 03:24
URI: http://eprints.uthm.edu.my/id/eprint/8946
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