Article
Metallurgy & Metallurgical Engineering
M. Manoj, J. Suresh Kumar, V Mugendiran, G. R. Jinu
Summary: This study focused on investigating the morphological, mechanical, and corrosion behavior of Al7075-TiB2 metal matrix composites. The addition of TiB2 particles through stir casting process improved the tensile strength and micro hardness of the composites, while reducing the wear rate. Electrochemical potentiodynamic polarization and salt spray tests confirmed the enhanced corrosion resistance of the Al-TiB2 composites.
INTERNATIONAL JOURNAL OF METALCASTING
(2022)
Article
Chemistry, Physical
Hossein Keshavarz, Seyyed Ezzatollah Moosavi, Hosein Eslamian, Amirhossein Kokabi
Summary: This study investigates the microstructural evolution, tribological properties, and corrosion behavior of hybrid metal matrix composites reinforced by graphite and zirconia particles fabricated by Friction Stir Processing. The results show that the FSP can significantly refine the grain size and improve the tribological and corrosion resistance of the composites. Furthermore, the presence of graphite particles can reduce the coefficient of friction and weight loss.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Engineering, Mechanical
Vinit Kumar Jha, Shubham Kumar Singh, Sarvagya Shukla, Rajul Sharma, Gopal Ji
Summary: Aluminum 6061-based metal matrix composites (MMCs) were successfully manufactured by stir casting with brick powders as reinforcement materials. The properties of the developed MMCs were examined and ranked based on field emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, X-ray powder diffraction, electrochemical measurements, and a pin-on disc tribometer. The results showed that MMC4 exhibited the best performance, followed by MMC3 and MMC2, while MMC1 performed the worst. The improved behavior can be attributed to the enhancement in overall hardness and interaction of the reinforced material with the matrix.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING
(2022)
Article
Multidisciplinary Sciences
Dinesh Kumar, Lalit Thakur
Summary: The current research focuses on the development and wear performance of Al2O3 reinforced AZ91 magnesium metal matrix composites. The study demonstrates that the ultrasonic agitations result in uniform dispersion of reinforcement particulates, leading to enhanced wear resistance. The analysis of wear morphology reveals the formation of wear tracks and material removal due to particle pull-out and matrix eruption.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
(2023)
Article
Chemistry, Physical
Ramezanali Farajollahi, Hamed Jamshidi Aval, Roohollah Jamaati
Summary: This study successfully transformed unreacted Ni and Al3Ni intermetallics into Al3NiCu by adding nickel and performing homogenization treatment, and also altered the type and distribution of precipitates in the composite material. The addition of nickel significantly reduced the coefficient of friction and wear rate, while increasing the strength of the composite material.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Multidisciplinary
V. S. S. Venkatesh, Ganji Prabhakara Rao, Lokeswar Patnaik, Nakul Gupta, Sunil Kumar, Kuldeep K. Saxena, B. D. Y. Sunil, Sayed M. Eldin, Fatima Hiader Kutham Al- Kafaji
Summary: Aluminium composites with different wt% SiC reinforcements were synthesized through an ultrasonically assisted stir casting method. Ultrasonication was used to refine the grain size and achieve uniform dispersion of nano-SiC in the aluminium matrix. The mechanical properties of the composites were significantly enhanced, with the maximum hardness and ultimate tensile strength observed in the 1.5 wt% SiC reinforced composite. However, a decrease in mechanical properties was observed in the 2.0 wt% SiC reinforced composite due to the generation of brittle agglomerations.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Multidisciplinary
Dinesh Kumar, Lalit Thakur
Summary: The study focuses on the fabrication and characterization of Al2O3 reinforced AZ91 Magnesium (Mg) matrix composites. The effects of varying weight percentages of Al2O3 reinforcement on the composite's particle distribution, matrix-particle interfacial reaction, microstructure, mechanical and tribological attributes were investigated. The insertion of Al2O3 particulates improved microhardness, impact strength, and indentation fracture toughness, while the homogeneous dispersion of fine particles improved wear resistance.
METALS AND MATERIALS INTERNATIONAL
(2023)
Article
Materials Science, Multidisciplinary
Vasanthakumar Pandian, Sekar Kannan
Summary: Composite materials are versatile, economical, and lightweight, making them ideal alternatives for aerospace applications. A modified casting furnace integrated with mechanical supersonic vibration was used to develop an aluminum alloy base cast and hybrid composite. Various reinforcements were tested for their effects on the matrix through material characterization and mechanical testing.
MATERIALS TODAY COMMUNICATIONS
(2021)
Article
Materials Science, Multidisciplinary
Pooja Verma, Gayatri Paul, Joyjeet Ghose, Vijay Pandey
Summary: In this study, graphite is used as the reinforced phase in aluminum metal matrix nanocomposites (AMMNCs) due to its high strength and lubricating properties. The AMMNCs are processed using ultrasonic-stir-squeeze casting process to ensure homogeneity and minimize porosity. Characterization techniques like x-ray diffraction and scanning electron microscopy are used to investigate the phase and microstructure. AMMNCs show lower density and improved hardness compared to as-cast aluminum alloy (AA2014). The addition of graphite enhances the wear properties of AMMNCs, but the wear rate is affected by factors such as graphite concentration and applied load. Post-tribological characterization provides detailed information on the influence of hardness and elastic modulus on the tribological properties of AMMNCs.
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
(2023)
Article
Engineering, Mechanical
Dinesh Kumar, Satnam Singh, Surjit Angra
Summary: Aluminum alloys have wide applications in the aerospace and automotive industries due to their high strength, ductility, castability, wear and corrosion resistance. This study focused on the dry wear test of stir-cast hybrid aluminum metal matrix nano-composites (HAMNCs) fabricated using Al6061, graphene nanoplatelets (GNPs), and cerium oxide (CeO2). The results showed that the wear resistance of the hybrid nano-composite was enhanced with the addition of reinforcements.
Article
Engineering, Mechanical
Amin Abdollahzadeh, Behrouz Bagheri, Mahmoud Abbasi, Farzaneh Sharifi, Ahmad Ostovari Moghaddam
Summary: Vibration can significantly alter the microstructure and mechanical properties of composite layers, increase tensile strength, improve wear resistance, and reduce hydrogen evolution volume. Samples processed with vibration exhibit a more uniform distribution of SiC particles and higher corrosion resistance.
SURFACE TOPOGRAPHY-METROLOGY AND PROPERTIES
(2021)
Article
Materials Science, Multidisciplinary
Suhail Ahmed Manroo, Noor Zaman Khan, Babar Ahmad
Summary: Friction stir processing was used to fabricate surface metal matrix composites using ZE41-rare earth magnesium alloy and nano-particles as reinforcement. The results showed that the process could refine the grains, increase microhardness and tensile strength, and improve wear resistance of the composites.
Article
Metallurgy & Metallurgical Engineering
Vipin Sharma, Suresh Kumar, Yogesh Dewang, Pardeep Kumar Nagpal
Summary: Friction stir processing was applied as a post-processing operation on stir casted metal matrix composites using zircon sand particles in an Al-Si12Cu alloy matrix. Multiple passes of friction stir processing resulted in significant improvement in microstructure, reducing the size of zircon sand particles. After four passes, the metal matrix composite showed a significant increase in ultimate tensile strength, yield strength, percentage elongation, and hardness compared to the initial cast metal matrix composite.
INTERNATIONAL JOURNAL OF METALCASTING
(2022)
Article
Materials Science, Coatings & Films
Monty Kumar, Shakti Kumar, Kailash Jha, Amitava Mandal
Summary: In this study, a hard solid-lubricating clad layer was developed on a Ti-6Al-4V substrate using pre-placed powder TIG cladding technique to improve its mechanical, corrosion, and electrical discharge wear properties. The combination effect of Ti, Ni, and Si coating powders with different percentages of La2O3 in a N2 environment was investigated. The analysis revealed the presence of both hard (NiTi, TiO2, and TiAlN) and solid lubricating (LaNi5 and Si3N4) phases. The sub-surface analysis showed defect-free cladding with strong metallurgical bonds and refined microstructure near the interface. The coated samples exhibited significantly improved mechanical wear, corrosion resistance, and reduced electrical discharge wear, making them suitable for various applications.
SURFACE & COATINGS TECHNOLOGY
(2023)
Article
Automation & Control Systems
Adekunle A. Adeleke, Peter P. Ikubanni, Jamiu K. Odusote, Boluwatife B. Olujimi, Jude A. Okolie
Summary: The demand for aluminum alloys and aluminum matrix composites with enhanced properties has increased due to the inability of pure aluminum to meet the requirements of modern industries. This article analyzes the physio-mechanical and microstructural properties of stir-cast Al6063 alloy matrix reinforced with different weight fractions of sawdust ash (SDA). The results show that the composites exhibit improved hardness and tensile strength but reduced impact strength compared to the unreinforced alloy.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2023)
Article
Environmental Studies
Amit Vishwakarma, G. S. Dangayach, M. L. Meena, Sumit Gupta, Sunil Luthra
Summary: This study investigates the impact of blockchain technology on the performance of healthcare supply chain management. The findings indicate that the adoption of blockchain technology positively affects stakeholder involvement and sustainable supply chain practices, leading to improved healthcare supply chain performance.
MANAGEMENT OF ENVIRONMENTAL QUALITY
(2023)
Article
Biochemical Research Methods
Mithra Geetha, Kishor Kumar Sadasivuni, Maryam Al-Ejji, Nandagopal Sivadas, Bagmita Bhattacharyya, Farzana N. Musthafa, Sarya Alfarwati, Tamanna Jannat Promi, Sumayya Ali Ahmad, Sara Alabed, Dima Anwar Hijazi, Fatimatulzahraa Alsaedi, Faozia Nasser Al-Shaibah
Summary: Simple, portable, and low-cost paper-based sensors have the potential to replace high-cost sensing technologies. These sensors can be used in clinical diagnosis, environmental monitoring, and food quality monitoring. A novel and highly sensitive paper-based sensor has been designed for the selective detection of Cu2+ ions, with a detection limit of 2.23 ppm and high selectivity over other metal cations.
JOURNAL OF FLUORESCENCE
(2023)
Article
Chemistry, Analytical
Ahmad Yaser Alhaddad, Hussein Aly, Hoda Gad, Einas Elgassim, Ibrahim Mohammed, Khaled Baagar, Abdulaziz Al-Ali, Kishor Kumar Sadasivuni, John-John Cabibihan, Rayaz A. Malik
Summary: Glucose monitoring is crucial for managing diabetes effectively. Non-invasive continuous glucose monitoring techniques have advanced to replace finger prick testing, and physiological variables like heart rate and pulse pressure can be used to predict hypoglycemia. This study investigates the relationship between physiological variables collected from wearables and glucose levels, providing insights, challenges, and recommendations for data capture validity.
Article
Materials Science, Multidisciplinary
Vimal Kumar, Gaurav Yadav, Pallav Gupta
Summary: This study focuses on the construction of copper-based composites reinforced with TiC and graphite particles. The impact of these reinforcements on the structural, physical, and mechanical characteristics of the composites, which were microwave-sintered, is thoroughly explored. Microwave-sintered composites demonstrate higher relative density, sintered density, and hardness compared to traditionally sintered ones.
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
(2023)
Article
Management
Amit Vishwakarma, G. S. Dangayach, M. L. Meena, Manish Kumar Jindal, Sumit Gupta, Sandeep Jagtap
Summary: Blockchain technology has many benefits for the Healthcare Sustainable Supply Chain, but it also poses various challenges. Through literature review, Delphi method, and M-TISM approach, this study identifies six critical challenges related to the adoption of BCT in the Healthcare Sustainable Supply Chain and provides practical implications and future research directions.
OPERATIONS MANAGEMENT RESEARCH
(2023)
Article
Chemistry, Analytical
Mizaj Shabil Sha, Surya Devarajan, Farzana N. Musthafa, Nahla O. Eltai, Swathi Ippili, Venkatraju Jella, Soon-Gil Yoon, Hamad Al-Lohedan, R. Jothi Ramalingam, Kishor Kumar Sadasivuni
Summary: In recent years, there has been growing awareness of antibacterial properties and their commercial opportunities in the medical field. This study presents the fabrication and characterization of a ternary composite, reduced graphene oxide-carbon nanotubes-zirconium oxide (rGO-CNT-ZrO2), and investigates its potential applications for antimicrobial activity, catalytic degradation of dyes, and UV sensing. The nanocomposites were synthesized via the hydrothermal method and characterized using various techniques. The findings suggest that the developed composite exhibits excellent antimicrobial properties, making it promising for the pharmaceutical and medical industries.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2023)
Editorial Material
Food Science & Technology
Sandeep Jagtap, Lampros Litos, Rakesh Raut, Sumit Gupta, Abhay Grover
INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY
(2023)
Article
Environmental Sciences
Haseena Onthath, Mostafa H. Sliem, Mithra Geetha, Kishor Kumar Sadasivuni, Aboubakr M. Abdullah, Bijandra Kumar
Summary: Electrochemical conversion of CO2 using a novel CuO nanocomposite has shown great potential in effectively reducing CO2 into useful fuels. The nanocomposite demonstrates high structural stability and durability, indicating its suitability for CO2 reduction.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Biochemistry & Molecular Biology
Raveendra Melavanki, Raviraj Kusanur, Kalpana Sharma, Kishor Kumar Sadasivuni, V. V. Koppal, N. R. Patil
Summary: The present study reports the use of spectroscopic techniques to analyze pyridine derivatives, specifically pyridine-based chalones. The solvatochromic behavior of 3DPP in different solvents, both polar and non-polar, was experimentally investigated. The compound's photophysical properties in various solvents were attributed to intra-molecular charge transfer interactions. The study also involved theoretical and experimental estimation of the dipole moment of 3DPP using solvatochromic methods, and observed a bathochromic shift in the emission spectra confirming the pi ->pi* transition. Fluorescence quenching of 3DPP and its mechanism were studied, as well as the energy transfer between 3DPP and metal ions using FRET theory.
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES
(2023)
Editorial Material
Green & Sustainable Science & Technology
Sandeep Jagtap, Mohamed Afy-Shararah, Rakesh Raut, Sumit Gupta
Article
Multidisciplinary Sciences
Godlaveeti Sreenivasa Kumar, Mizaj Shabil Sha, Swathi Yempally, John-John Cabibihan, Kishor Kumar Sadasivuni
Summary: This study presents a methodology for statistically forecasting the time-dependent progression of photoreactions using widely available LEDs, closing the research gap in the analysis of photochemical reactions. The effects of NiS/ZnO additive in perovskite solar cells on forecasting the wavelength of LEDs were carefully investigated using various characterization methods. The photocatalytic activity, as well as factors like selectivity, stability, and sensitivity, were analyzed.
SCIENTIFIC REPORTS
(2023)
Article
Chemistry, Multidisciplinary
Dania Adila Ahmad Ruzaidi, Muni Raj Maurya, Swathi Yempally, Sajeel Abdul Gafoor, Mithra Geetha, Nazreen Che Roslan, John-John Cabibihan, Kishor Kumar Sadasivuni, Mohd Muzamir Mahat
Summary: The field of strain sensing involves measuring an electrical response that corresponds to strain. Integrating synthetic and conducting polymers can create flexible strain sensors for various applications, but insulating synthetic polymers may reduce sensor sensitivity. This study investigates the effects of secondary doping on PEDOT:PSS/PVA polymer blend thin films as strain sensors, revealing improvements in conductivity and sensitivity.
Proceedings Paper
Polymer Science
Mithra Geetha, Gayathri Geetha Nair, Kishor Kumar Sadasivuni, Somaya Al-maadeed, Asan G. A. Muthalif
Summary: A promising approach for noninvasive medical diagnosis is to measure the VOCs produced by metabolic changes or pathological disorders in human sweat. The detection of acetone in sweat can serve as an indicator for ketosis and diabetes. Currently, the focus of research is to develop accurate, sensitive, and stable noninvasive methods for detecting acetone. The use of carbon nanotubes-copper oxide nanocomposite improves electron transport to the electrode surface.
MACROMOLECULAR SYMPOSIA
(2023)
Proceedings Paper
Polymer Science
Vinotha Krishnasamy, Gayathri Geetha Nair, Mizaj Shabil Sha, Karthik Kannan, Somaya Al-maadeed, Asan G. A. Muthalif, Kishor Kumar Sadasivuni
Summary: Dopamine plays a crucial role in the central nervous system, making it essential to sense dopamine levels for diagnosis and treatment purposes. In this study, a copper oxide-nickel oxide/reduced graphene oxide nanocomposite was fabricated using the sol-gel method and applied to modify a glassy carbon electrode. The nanocomposite demonstrated superior response in detecting dopamine compared to the metal oxide nanocomposite without graphene oxide. The sensitivity and detection limit of the nanocomposite were measured, and it showed potential for use as a flexible skin patch sensor for predicting abnormal dopamine levels such as Parkinson's disease.
MACROMOLECULAR SYMPOSIA
(2023)
Article
Computer Science, Artificial Intelligence
Manjula Devi Ramasamy, Keerthika Periasamy, Suresh Periasamy, Suresh Muthusamy, Ponarun Ramamoorthi, Gunasekaran Thangavel, Sreejith Sekaran, Kishor Kumar Sadasivuni, Mithra Geetha
Summary: This paper proposes an adaptive neural network-based Laplacian of Gaussian (AnLoG) classification algorithm for diagnosing diabetic retinopathy. The experimental results show that the proposed algorithm performs well in terms of accuracy and recall.
NEURAL COMPUTING & APPLICATIONS
(2023)
