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Research Journal of Engineering and Technology
Year : 2018, Volume : 9, Issue : 1
First page : ( 27) Last page : ( 36)
Print ISSN : 0976-2973. Online ISSN : 2321-581X.
Article DOI : 10.5958/2321-581X.2018.00005.3

Mechanical and microstructural characterization of Al 6061-t6/SICP nano surface composites by friction stir processing (FSP)

Manichandra Bollepelly1,*, Devaraj Aruri2,**, Kumar Pulluru Satish2,***

1PG Scholar, Department of Mechanical Engineering, S R Engineering College, Ananthasagar, Warangal, Telangana-506371, India

2Associate Professor, Department of Mechanical Engineering, S R Engineering College, Ananthasagar, Warangal, Telangana-506371, India

*Corresponding Author Email: manichandra03993@gmail.com



Online published on 24 May, 2018.


The aim of present work is to analyze the impact of rotational speed and volume percentage (namely 1.5%, 3% and 4.5% by weight) of nano sized reinforcement particles (Sic of an average size of 35 nm) on microstructure, mechanical and tribological behavior of 6061-T6 Al alloy combination. Surface nano composite prepared via friction stir processing(FSP) a solid-state technique by fortifying Sic particles on 6061 T6 Aluminium alloy is to enhance the surface characteristics of materials especially Aluminium and effectively utilized for information of nano increment the surface hardness and also enhances the wear resistance, strengths of the material. FSP was carried out at various parameters such as transverse speed 60mm/min rotational speed 700rpm and axial force as 7KN by high carbon tool. The samples were inspected by optical microscope and scanning electron microscope for scattered Sic particles on Aluminium alloy surface and also to determine the thickness of nano composite layer on Aluminium alloy surface. The wear test were carried out at normal load 40N, sliding distance 1km and at sliding velocity of 3.4 m/s. The wear resistance of the material is increased with increasing volume percentage of Sic particles such that it has observed that at 3% volume percentage higher tensile properties exhibited as compared with other and also it has been found that high wear resistance exhibited at 3% than other volume percentage. The observed wear and mechanical properties are interrelated with microstructure and worn morphology.



Friction Stir Processing (FSP) of Al 6061 Alloy, Microstructure study, Tensile test, Wear Test, Scanning Electron Microscope (SEM) Analysis and X-ray Diffractometer (XRD).


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