Optimization of WEDM Process Parameters on Surface Roughness and Study of Physical behaviour using SEM for Machining Aluminium Alloy Al 7075 using Brass Coated Copper Wire

Shanthi Jayachandran; Mohan Raman; Palanisamy Ponnusamy

Volume 4, Issue 4 , 2019, , Pages 165-168


  Wire Electrical Discharge Machining is one of the most effective Non-Conventional Machining method available to machine intricate shapes which are very difficult to machine with conventional machining methods, on electrically conductive materials havingvarying hardness. In this research work, an attempt ...  Read More

(Ni, Al) co-doping influence on structural and optical properties of ZnO nanoparticles synthesized via co precipitation method

P Swapna; S Venkatramana Reddy

Volume 3, Issue 9 , 2018, , Pages 536-539


  Pure and (Ni, Al) co-doped ZnO nanostructures are prepared lucratively by chemical co-precipitation process at room temperature by means of poly ethylene glycol (PEG) as stabilizing agent. Zinc acetate dehydrate and potassium hydroxide are used as preliminary materials. The synthesized samples are characterized ...  Read More

Experimental study on performance characteristics of Ni-rich NiTi shape memory alloy in wire electric discharge machining (WEDM)

Himanshu Bisaria; Pragya Shandilya

Volume 3, Issue 5 , 2018, , Pages 335-339


  Ni-rich NiTi shape memory alloys (SMAs) are gaining more prominence compared to near equiatomic NiTi SMAs due to their excellent superelasticity and shape memory properties. The low density and high work output compared to steels make them an excellent choice for automotive and aerospace industries. ...  Read More

Study of structural, optical and antibacterial properties of starch-capped Cu doped ZnO nanoparticles (NPs)

M.K. Debanath; R.K. Saha; S.M. Borah; E. Saikia; K.K. Saikia

Volume 3, Issue 1 , 2018, , Pages 36-40


  In our present investigation, we have synthesized starch-capped Cu doped ZnO (ZnO:Cu) nanoparticles (NPs) by simple wet chemical method and studied their structural, optical and antibacterial effects on/against Gram-positive and Gram-negative bacteria. Chemically synthesized nanoparticle have been characterized ...  Read More

Enhanced dynamic mechanical properties of kenaf epoxy composites

Rajnish Kumar; S. A. R. Hashmi; Subhash Nimanpure; Ajay Naik

Volume 2, Issue 11 , 2017, , Pages 749-757


  Randomly distributed kenaf fibre with varying length (5-50mm) and weight fractions (25-40%) were used to reinforce epoxy resin to prepare environment friendly composites. Effect of fibre length with constant fibre loading on dynamic mechanical properties was studied and its effect on storage modulus, ...  Read More

Effect of Mn substitution on structural and magnetic properties of cobalt ferrite

Swati Tapdiya; Ashwani K. Shrivastava; Sarika Singh

Volume 2, Issue 9 , 2017, , Pages 547-551


  Manganese substituted Cobalt Ferrite Co1-xMnxFe2O4() nanoparticles were prepared using low temperature chemical co-precipitation method. All the samples were annealed at 900°C for 3 hours. The crystal lattice symmetry and phase purity were performed by X-ray diffraction (XRD). The varying dopent ...  Read More

Structural and electrical behaviour of sol-gel derived Li-Ni-Co ferrite/SiO2 nanocomposites

Nandeibam Nilima; Mamata Maisnam; Sumitra Phanjoubam

Volume 2, Issue 5 , 2017, , Pages 310-314


  Li-Ni-Co ferrite/SiO2 composites with representative formula Li0.41Ni0.1Co0.08Fe2.41O4+ xSiO2 (i.e., x = 0wt. %, 5wt. %,10wt. % and 20wt. %) were prepared by sol-gel method. The prepared composites were pre-sintered at 600ºC for 2 hrs and then finally sintered at 1000ºC for 6 hrs. X-ray diffraction ...  Read More

Electrical and structural properties of zinc substituted nickel ferrites synthesized by sol-gel technique

Sunita Khangembam; Maisnam Victory; Waikhom Surchandra; Sumitra Phanjoubam

Volume 2, Issue 3 , 2017, , Pages 162-166


  Recent technological breakthroughs and the desire for new functions generate an enormous demand for synthesizing new materials through different ways and methods which show superior properties compared with their pure counterparts. Presently, polycrystalline zinc doped nickel ferrites having the compositional ...  Read More

Structural and optical characterization of MnFe2O4 nanoparticles

Elangbam C. Devi; Ibetombi Soibam

Volume 2, Issue 2 , 2017, , Pages 93-96


  Manganese ferrite nanoparticles with chemical formula MnFe2O4 have been synthesized by low temperature chemical co-precipitation method. The structural and optical properties of the nanoparticles were studied by using X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray ...  Read More

Effect of ion concentration in enhancement of super capacitive behavior of ZnO nano-platelets

M. Kanakadurga; S. R. Murthy; Arya Das; Rakesh K. Sahoo; Saroj K. Singh

Volume 1, Issue 1 , 2016, , Pages 93-95


  ZnO nano-platelets have been prepared using a high pressure reactor via hydrothermal route. The as-formed fine platelets morphology of the as-synthesized powder was confirmed from the scanning electron microscopy (SEM) images. The elemental analysis using energy dispersive X-ray (EDAX) analysis indicated ...  Read More