S.C. Vettivel

Punjab Engineering College

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N. Selvakumar

China Southern Power Grid (China)

A. Haiter Lenin

Kombolcha Institute of Technology

A. Azhagurajan

S. Suresh

Velammal Medical College Hospital and Research Institute

B. S. Pabla

National Institute of Technical Teachers Training and Research

N. Vijay Ponraj

Tirunelveli Medical College

X. Sahaya Shajan

Tirunelveli Medical College

Murugesan Krishnan

Saveetha University

M. Sivapragash

Universal Engineering College

P.Y. Nabhiraj

Variable Energy Cyclotron Centre

Cooperative Institutions

Anna University, Chennai

Tirunelveli Medical College

National Institute of Technical Teachers Training and Research

National Institute of Technology Tiruchirappalli

Noorul Islam University

Indian Institute of Technology Roorkee

PSG INSTITUTE OF TECHNOLOGY AND APPLIED RESEARCH

National Institute of Technical Teachers’ Training and Research

Ganesamoni Hospital

Wollo University

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Effect of Extrusion on the Microstructure and Tribological Behavior of Copper–Tin Composites Containing MoS₂

Tribology Transactions (2016)

P. Senthil Kumar K. Manisekar S.C. Vettivel

This article deals with the effect of extrusion on the microstructures and tribological properties of powder metallurgy–fabricated copper–tin composites containing MoS2 by optical microscopy, scanning electron microscopy (SEM), and tribotesting. The extrusion decreases the number of pores and increases the density and hardness and thus improves the tribological properties of the composites. Results demonstrated that abrasion is the dominant wear mechanism in all extruded composites, whereas a combination of adhesion and delamination appears to be the governing mechanism for prepared composites. The developed hot-extruded composites exhibited lower coefficient of friction and wear rates compared to prepared composites. Design Expert software was used to develop contour map.

Abrasion (mechanical)

Delamination

Powder Metallurgy

10.1080/10402004.2015.1131347

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Citations (15)

Rice husk as nanoadditive in diesel–biodiesel fuel blends used in diesel engine

Journal of Thermal Analysis and Calorimetry (2017)

K. Vinukumar A. Azhagurajan S.C. Vettivel N. Vedaraman

Pongamia

Husk

Vegetable oil refining

10.1007/s10973-017-6692-7

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Citations (48)

Characterization and Experimental Investigation on Mechanical Behavior of B₄C and RHA reinforced Aluminium Alloy 7075 hybrid Composite using Stir Casting

Research Journal of Engineering and Technology (2017)

Nishant Verma P. Sudhakar Rao S.C. Vettivel

This paper is going to deal with the effect of Boron Carbide (B4C) and Rice Husk Ash (RHA) in AA7075 Hybrid Composite. To study the effect of the addition of reinforcement on AA 7075, the fabrication is done by using bottom pouring type stir casting machine. K2TiF6 isadded as filler to avoid the wettability problem of liquid molten aluminium alloy 7075 and B4C. The results shows that the hardness of the hybrid composite is increased with increase in the wt. % of reinforcements. Scanning Electron Microscopy is used to confirm the microstructure of composite and distribution of reinforcements. The results of Energy Dispersive Spectroscopy analysis is used to confirm the elements in Al 7075/B4C/RHA hybrid composite and some useful conclusions are made.

Boron carbide

Husk

Energy-dispersive X-ray spectroscopy

10.5958/2321-581x.2017.00029.0

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Influence of processing route on microstructure and wear resistance of fly ash reinforced AZ31 magnesium matrix composites

Journal of Magnesium and Alloys (2019)

I. Dinaharan S.C. Vettivel M. Balakrishnan Esther T. Akinlabi

Utilizing fly ash (FA) as reinforcement for magnesium matrix composites (MMCs) brings down the production cost and the land pollution. Magnesium alloy AZ31 was reinforced with FA particles (10 vol.%) successfully by two different processing methods namely conventional stir casting and friction stir processing (FSP). The microstructural features were observed using optical microscope, scanning electron microscope and electron backscatter diffraction. The sliding wear behavior was tested using a pin-on-disc wear apparatus. The stir cast composite showed inhomogeneous particle dispersion and coarse grain structure. Some of the FA particles decomposed and reacted with the matrix alloy to produce undesirable compounds. Conversely, FSP composite showed superior particle dispersion and fine, equiaxed grains by dynamic recrystallization. FA particles encountered disintegration but there was no interfacial reaction. FSP composite demonstrated higher strengthening and wear resistance to that of stir cast composite. The morphology of the worn surface and the wear debris were studied in detail.

Friction Stir Processing

Equiaxed crystals

Dynamic Recrystallization

10.1016/j.jma.2019.01.003

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Citations (72)

Compression and corrosion behaviour of sintered copper-fly ash composite material

Materials Research Express (2018)

S Thanga Kasi Rajan A.N. Balaji G R Raghav S.C. Vettivel

An attempt has been made to reinforce Copper (Cu) with low density material Fly Ash (FA) to form Cu–FA composite material through Powder Metallurgy (P/M) route. Samples of 3, 6 and 9 weight percentage of FA in Cu matrix were prepared. Scanning electron microscopy analysis was used to study the morphology of the composite materials. The x-ray diffraction analysis was used to characterize the elemental composition of composite powder. Energy-dispersive spectroscopy (EDS) mapping was used to find the homogeneous distribution of FA in Cu matrix. Mechanical behavior of the Cu–FA composite material was studied using Vickers hardness and compression test. The mechanism model for decrease in compressive strength of Cu–FA composite material was identified as boundary slip. The corrosion behavior of Cu–FA composite material in acidic (1N HCl) and in sea water media are studied. Electrochemical polarization test was used to carry out the corrosion studies on Cu–FA composite material in acidic media. The increase in Polarization Resistance (Rp = 68.6499 × 10−4 Ω cm2 in acidic media and Rp = 68.75327 10−4 Ω cm2 in sea water) of Cu-9FA evidences that increase in weight percentage reinforcement of FA in Cu matrix decreases the corrosion rate in both acidic and sea water media. The increase in charge transfer resistance (Rct = 1142 Ω cm2) of Electrochemical Impedance Spectroscopy (EIS) test authenticates that the corrosion resistance of Cu-9FA is healthier than pure Cu. It was observed that improved corrosion resistance and good mechanical properties are obtained for 9% FA reinforced Cu composite material.

Powder Metallurgy

10.1088/2053-1591/aafaec

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Citations (9)

The effect of matrix treatment and SiCp addition on the mechanical behaviour of glass fibre reinforced epoxy composites

Materials Today Proceedings (2018)

Adam W. Benham K. K. Ajith Kumar S.C. Vettivel M.S. Siva Pandian C.S. Golden Paul

10.1016/j.matpr.2017.11.366

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Citations (1)

Effects of Moisture Content and Die Pressure of Artocarpus Heterophyllus Leaves Powder Biomass Processing by using Response Surface Methodology

Asian Journal of Research in Social Sciences and Humanities (2016)

S. L. Sango P. Kannan S. Suresh S.C. Vettivel S. Christopher Ezhil Singh

The study of agricultural wastes into biomass is anapproach towards the growth of alternative energy sources. Artocarpus Heterophyllus Leaves (AHL) Powder is used as an alternative energy source to coal. Densification of scums depends upon its physical properties and process parameters. In this paper the effect of moisture content and pressure on relaxed density of AHL Powder were studied. The study was undertaken to explore the properties of fuel briquettes manufactured from artocarphus heterophyllus. In this paper, a scientific model for a synthesized assessment was reputable according to response surface methodology (RSM). Based on the RSM, an optimal scheme was selected for a fully operational artocarphus heterophyllus briquette fuel plant in south India. The relaxation density is negligible at the die pressure and moisture content of 30.18MPa and 15.89% respectively. The corresponding relaxed density is 720.278kg/m3 and some useful conclusions were made.

Artocarpus

10.5958/2249-7315.2016.01324.1

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Citations (0)

Fractural Analysis, Microstructural, Mechanical and Tribological Behaviour of V2o3 Reinforced Cmmc by Ultrasonic Assisted Stir Casting Technique

SSRN Electronic Journal (2022)

J Jabinth N Selvakumar Jing Shi S.C. Vettivel

In this work, pure copper is reinforced with V2O3 at various weight percentages, like Cu-0.5V2O3, Cu-1V2O3, Cu-1.5V2O3, and Cu-2V2O3. This Copper Metal Matrix Composite (CMMC) with primary copper element and secondary V2O3 is fabricated through an ultrasonic assisted stir casting technique. The uniform distribution of secondary particles is achieved using ultrasonic waves generated by the probe and mechanical stirrer. The characterization of developed CMMC is done by X-ray Diffraction and Energy Dispersive X-ray Spectroscopy. The samples are subjected to grain measurement using an optical microscope, which showed the relationship between grain size and enhancement of mechanical properties. The fabricated samples are also subjected to mechanical testing to determine its Tensile strength, Ultimate strength, Vickers Hardness and Impact strength. Fractography is also done by Scanning Electron Microscope to understand the mechanism for failure of tensile specimen. Dry sliding wear behaviour is also carried out to determine the wear resistance of CMMC. The results of numerous experimentation showed that, the grain size of CMMC improved with V2O3 addition. The enhancement in wear behaviour, mechanical properties of CMMC also paves the way for a newly developed material with V2O3 as secondary reinforcement along with copper as primary element to be used in various applications.

10.2139/ssrn.4235079

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Effect of Welding Current on Tensile Behaviour and Weld Morphology of Al/Mg Dissimilar Alloy Joint Using Cold Metal Transfer Welding

Lecture notes in mechanical engineering (2024)

Abhi Bansal S.C. Vettivel Mukesh Kumar

Cold welding

Morphology

10.1007/978-981-97-3874-8_7

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Numerical modelling, prediction of Cu–W nano powder composite in dry sliding wear condition using response surface methodology