Volume 16, Issue 6 (8-2016)                   Modares Mechanical Engineering 2016, 16(6): 119-126 | Back to browse issues page

‎ 20.1001.1.10275940.1395.16.6.16.9

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Ahmadifard S, Roknian M, Tinati Seresht T, Kazemi S. Fabrication of hybrid nanocomposite Al2024/Gr/ZrO2 via FSP and evaluation effect role of hybrid ratio in mechanical and wear properties. Modares Mechanical Engineering 2016; 16 (6) :119-126
URL: http://mme.modares.ac.ir/article-15-3493-en.html
Fabrication of hybrid nanocomposite Al2024/Gr/ZrO2 via FSP and evaluation effect role of hybrid ratio in mechanical and wear properties
Saeed Ahmadifard , Masoud Roknian , Taleb Tinati Seresht , Shahab Kazemi *
Abstract:   (4732 Views)
Hybrid ratio of each reinforcement phases in hybrid composite can be defined as proportion of its volume to total reinforcement volume of the composite. The hybrid ratio is an important factor which controls the participation extent of each reinforcement phases in overall properties of hybrid composites. Hence, in the present work, surface hybrid nano composites of Al2024, Graphite average particle size of 100 μm and ZrO2 average particle size of 15 with different. For fabrication of nano composite the tool rotation rate was set to be 1000 rpm, and its advancing speed was 20 mm/min and tilt angle of 3 degree were chosen and all samples were subjected to 2 passes of FSP to obtain more homogeneous dispersion of the reinforcements. Subsequently, effect of hybrid ratio on microstructural, mechanical and tribological properties investigated. Optical microscopy and scanning electron microscopy were utilized to perform microstructural observation on the samples showed that reinforcements are well dispersed inside the Nugget Zone. Hardness value measurements and pin on disk dry sliding wear tests were carried out to investigate effect of hybrid ratio on mechanical and tribological properties of the nano composites.
Keywords: Friction stir processing, Hybrid nanocomposite, Mechanical Properties, Al 2024
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Article Type: Research Article | Subject: Composites
Received: 2016/02/17 | Accepted: 2016/04/23 | Published: 2016/06/14
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