Itha Veeranjaneyulu

Aditya Birla (India)

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Sandip Kunar

Aditya Birla (India)

N. Srinivasa Rao

Ram Subbiah

Institute of Engineering

Srikanth Karumuri

Mizan Tepi University

P. Satishkumar

Harcourt Butler Technical University

Anusha Peyyala

Siddhartha Medical College

Sreenivasa Reddy Medapati

Aditya Birla (India)

K. Bharadwaja

G Pulla Reddy Dental College & Hospital

V. Chittaranjan Das

Guntur Medical College

Rajasekaran Saminathan

Jazan University

Cooperative Institutions

Aditya Birla (India)

Jawaharlal Nehru Technological University, Kakinada

Siddhartha Medical College

Yes Technologies (United States)

Acharya Nagarjuna University

Andhra University

Institute of Engineering

G Pulla Reddy Dental College & Hospital

National Institute of Technology Andhra Pradesh

Guntur Medical College

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Development of Electrochemical Microtextured Cell for Fabrication of Complex Micropattern

Recent Patents on Mechanical Engineering (2024)

Sandip Kunar M. Naga Swapna Sri P. Anusha P. Satishkumar Itha Veeranjaneyulu

Introduction: This paper highlights the representative patents related to the application of maskless electrochemical micromachining (EMM) using microtextured tools and developed cells under electrolysis conditions for the generation of high-quality complex patterns, i.e., cascade micropattern on stainless steel. background: Electrochemical Microtextured Cell Method: To acquire high accuracy level, the workpiece and tools are fixtured properly in the developed microtextured cell, and a developed vertical cross-flow system is utilized for the generation of a precise cascade micropattern. An electrochemical microtextured cell is designed and developed inexpensively for the fabrication of high-quality complex micropatterns. The eco-friendly combined electrolyte of NaNO3 and NaCl is employed for precise micro texturing. Result: The consequence of predominant input factors, i.e., IEG, voltage, and flow rate, are explored on machining rate, precision, depth, and surface finish during complex micro-texturing using developed microtextured cells. The complex microtextured tool is fixtured in tool holding device in a developed microtextured cell and fabricates nineteen precise complex micropatterns. Conclusion: An effort has been made to find suitable input factors for the generation of precise complex micropatterns.

10.2174/0122127976287865240326062010

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Performance analysis of ECMM using saw, critic and ANN methods

Chemical Industry and Chemical Engineering Quarterly (2024)

Venugopal Palaniswamy Anusha Peyyala Prabhu Paramasivam Itha Veeranjaneyulu

Electrochemical micromachining (ECMM) finds application in various industries especially in surface finishing process in aerospace industries. In this research the workpiece made from aluminum scrap metal matrix reinforced with alumina is subjected to wear, surface profile and machinability studies. To analysis the ECMM performance simple additive weighting (SAW) CRiteria Importance Through Intercriteria Correlation (CRITIC) and Artificial Neural Network (ANN) was used. The wear studies show that at high loads the height wear loss is less and frictional force is more. The L18 mixed orthogonal array experiments was conducted and analysis of experiments shows that the most crucial parameter values for high MRR and low OC are 28g/lit NaNO3+0.05M HNO3, 10 V, and 80% duty cycle. The weight values of the performance metrics obtained using SAW method are 0.549 and 0.45. The optimal output performance predicted by ANN is MRR of 0.520 ?m/sec and OC of 23.8 ?m.

10.2298/ciceq240220020p

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Enhancing the Mechanical Properties of AZ31D Alloy by Reinforcing Nanosilicon Carbide/Graphite

Journal of Nanomaterials (2023)

Itha Veeranjaneyulu V. Chittaranjan Das Srikanth Karumuri

Magnesium-based alloys were more prevalent in automobile applications owing to their mechanical properties, low mass, and density. However, its poor mechanical properties are restricting its applications. Therefore, the present study focuses on improving the mechanical properties of AZ31D alloy by reinforcing silicon carbide (SiC) and graphite (Gr) nanoparticles with weight fractions of 2%, 4%, and 6% using stir-casting technique. The microstructure analysis was performed using a scanning electron microscope. The elemental analysis was confirmed using energy-dispersive spectroscopy, and X-ray diffraction was used to study various phases in the nanocomposites. Further, the mechanical properties, such as microhardness, ultimate tensile strength, yield strength, and compression strength of the nanocomposites, were significantly improved by 53%, 59%, 62%, and 82%, respectively, as compared with base alloy.

10.1155/2023/6553200

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Investigation of Mechanical Properties and Microstructure of AZ31-SiC-Graphite Hybrid Nanocomposites Fabricated by Bottom Pouring-Type Stir Casting Machines

Advances in Materials Science and Engineering (2023)

Itha Veeranjaneyulu Vemulapalli Chittaranjan Das Srikanth Karumuri

In this study, a bottom pouring-type stir casting machine was used to create AZ31 magnesium alloy hybrid nanocomposites with varying weight percentages (0, 3, 5, and 7) of silicon carbide (SiC) and graphite (Gr) particles. Investigations have been made into the mechanical characteristics and microstructural distribution of manufactured hybrid nanocomposites. The outcomes demonstrate that the mechanical characteristics and uniform distribution of SiC and Gr particles are enhanced compared to those of the base alloy. In comparison to monolithic AZ31 alloy, microhardness, ultimate tensile strength (UTS), yield strength (YS), and compressive strength (CS) were raised by about 54%, 68%, 82%, and 107%, respectively. The presence of reinforced particles, the uniform distribution of particles, and the strong interfacial connection between the matrix and reinforcement all contribute to the improvement of mechanical properties. However, the addition of 7 wt. % SiC/Gr showed good mechanical properties compared to the base alloy. The microstructure of nanocomposites was analyzed using a scanning electron microscope (SEM), and particles were described using energy-dispersive spectroscopy (EDS).

10.1155/2023/3402348

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Fabrication, Microstructure, and Mechanical Properties of AZ31/Silicon Carbide/Graphite Teinforced Hybrid Composites

Advances in Science and Technology – Research Journal (2022)

Itha Veeranjaneyulu Chittaranjan das Vemulapalli M. Gopi Krishna

Magnesium matrix composites (MMCs) exhibit excellent strength, low mass, and density.In the current study, silicon carbide (SiC) and graphite (Gr) particles are used as reinforcement, using AZ31 alloy as the matrix material.Using the stir casting method, AZ31-SiC-Gr hybrid composites were developed with diff erent compositions of SiC and Gr (0, 2, 4, and 6 wt.%).The microstructure of developed hybrid composites and AZ31 alloy was analyzed using SEM and EDS.The densities, hardness, tensile and compressive properties of the fabricated hybrid composites were examined.The experimental results show that adding reinforcements improved the developed hybrid composites' mechanical characteristics.The micro hardness was raised by 27% with the addition of 6% SiC and Gr to the base alloy.The AZ31 hybrid composite with 4% SiC and Gr particles exhibited a maximum compressive strength of 365.56 MPa and UTS of 158.4 MPa.Overall, the results of the AZ31-SiC-Gr hybrid MMCs are promising for automobile applications because of their low mass, high strength and good wear resistance.

10.12913/22998624/156915

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Examination of electrochemical machining parameters for AA6082/ZrSiO4/SiC composite using Taguchi-ANN approach

International Journal on Interactive Design and Manufacturing (IJIDeM) (2024)

K. Srividya S. Ravichandran M. Thirunavukkarasu Itha Veeranjaneyulu P. Satishkumar

Electrical Discharge Machining

Electrochemical Machining

10.1007/s12008-024-01761-x

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An investigation on the mechanical and corrosion characteristics of magnesium-zinc alloy nanocomposites manufactured via ultrasound-assisted stir squeeze casting

Metallurgical Research & Technology (2024)

M. Naveen Srinivas Parthiban Krishnan V. Selvam Itha Veeranjaneyulu N. Srinivasa Rao

Magnesium alloy (Mg-Zn) was strengthened by including silicon carbide nanoparticles at different weight rates (0, 0.5, 1.0, and 1.5 wt%). The fabrication process involved the help of ultrasonication-assisted stir squeeze casting method. We studied the mechanical, microstructural, and corrosion quality of nanocomposites in relation to variations in SiC particle weight percentage and grain size. A comparison was made between the experimental results and the basic alloy. The findings show that nanocomposites’ mechanical characteristics improve as the SiC particle concentration rises and falls as the particle size increases. In accordance with the ASTM standard, immersion and potentiodynamic polarization tests were conducted to validate that the nanocomposites’ resistance to corrosion increased as the reinforcement weight percentage was increased. The optical microscope was used to observe the grain size. Nanoparticles are evenly distributed throughout the Mg matrix, as shown in scanning electron micrographs. XRD confirms that the nanocomposites include SiC. The nanocomposite reinforced with 1.5 wt% SiC P had 44% higher microhardness and 38% higher tensile strength than the base alloy.

10.1051/metal/2024094

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Friction and wear optimization of SiC/graphite reinforced AZ31 hybrid composite using Taguchi method

International Journal on Interactive Design and Manufacturing (IJIDeM) (2023)

Itha Veeranjaneyulu V. Haripriya Rajasekaran Saminathan B. Vishnu Vardhana Naidu J. Justin Maria Hillary

10.1007/s12008-023-01687-w

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Ultrasonic‐Assisted Electrochemical Micromachining

Sandip Kunar Itha Veeranjaneyulu S. Rama Sree Asma Perveen Norfazillah Talib

In this study, 301 stainless steel microholes are drilled using an electrode with an ultrasonic vibration-integrated array. It is described how various processing properties are affected by machining factors including electrode feed rate, operating voltage, and ultrasonic vibration amplitude. The outcomes of the experiment demonstrate that the periodic pressure difference for the electrolyte is produced by the vibrating electrode array supported by ultrasonics. Both a cavitation effect and a pumping effect are created by the periodic pressure difference. The two effects can efficiently remove the reaction heat, reactive products, and gas from the machining gap, as well as replenish the electrolyte in the machining gap. Machining speed is enhanced by boosting ultrasonic amplitude.

Electrochemical Machining

10.1002/9781394174959.ch4

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Maskless electrochemical microtexturing

AIP conference proceedings (2023)

Sandip Kunar K. Srikanth Assefa Belay Itha Veeranjaneyulu Bh. V. Prasad

10.1063/5.0145740

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