Search Results - "Nagarjuna, Cheenepalli"

Application of Artificial Neural Network to Predict the Crystallite Size and Lattice Strain of CoCrFeMnNi High Entropy Alloy Prepared by Powder Metallurgy by Nagarjuna, Cheenepalli, Dewangan, Sheetal Kumar, Sharma, Ashutosh, Lee, Kwan, Hong, Soon-Jik, Ahn, Byungmin

“…An equiatomic CoCrFeMnNi high entropy alloy (HEA) was prepared by the gas atomization process. In addition, high-energy milling was carried out to study the…”
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Microstructure, mechanical and tribological properties of oxide dispersion strengthened CoCrFeMnNi high-entropy alloys fabricated by powder metallurgy by Nagarjuna, Cheenepalli, Sharma, Ashutosh, Lee, Kwan, Hong, Soon-Jik, Ahn, Byungmin

“…Developing materials with superior strength and wear resistance has always drawn challenging research for advanced engineering applications. Herein,…”
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Microstructure and nanoscratch behavior of spark-plasma-sintered Ti-V-Al-Nb-Hf high-entropy alloy by Dewangan, Sheetal Kumar, Cheenepalli, Nagarjuna, Lee, Hansung, Ahn, Byungmin

“…In this work, an equiatomic Ti-V-Al-Nb-Hf high-entropy alloy (HEA) was designed by thermodynamic simulation and prepared experimentally via a powder metallurgy…”
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Understanding the sintering behavior of AlCrFeNiTi high entropy alloy via phase field modeling illustration by Dewangan, Sheetal, Nagarjuna, Cheenepalli, Lee, Hansung, Ahn, Byungmin

“…In this study, a computational approach is employed to understand the densification behavior of a multi-component alloy system during the sintering process by…”
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Developing harmonic structure in CoCrFeMnNi high entropy alloy to enhance mechanical properties via powder metallurgy approach by Nagarjuna, Cheenepalli, Song, JunWoo, Jeong, Kwang Yong, Pin, Min-Wook, Song, Gian, Lee, Jin Kyu, Na, Young-Sang, Kim, Hyoung Seop, Kim, Ki Buem, Hong, Soon-Jik

“…The FCC structured CoCrFeMnNi high entropy alloy (HEA) has attracted great attention due to its excellent ductility and strain hardening ability, but the…”
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Reduction of Thermal Conductivity through the Dispersion of TIC Nanoparticles into a p-Type BI0.5SB1.5TE3 Alloy by Ball Milling and Spark Plasma Sintering by Nagarjuna, Cheenepalli, Madavali, Babu, Lee, Myeong-Won, Yoon, Suk-Min, Hong, Soon-Jik

“…The dispersion of nanoparticles in the host matrix is a novel approach to enhance the thermoelectric performance. In this work, we incorporate the TiC (x = 0,…”
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Evolution of phase stability and structural properties in CrFeNiTiV high-entropy alloy under high-temperature heat treatment conditions by Nagarjuna, Cheenepalli, Dewangan, Sheetal Kumar, Lee, Hansung, Ahn, Byungmin

“…A novel equiatomic CrFeNiTiV high entropy alloy (HEA) was prepared by mechanical alloying (MA) and following spark plasma sintering (SPS). Further, the effects…”
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Exploring the mechanical and tribological properties of AlCrFeNiTi high-entropy alloy fabricated by mechanical alloying and spark plasma sintering by Nagarjuna, Cheenepalli, Dewangan, Sheetal Kumar, Lee, Hansung, Lee, Kwan, Ahn, Byungmin

“…The present study explores the mechanical and tribological properties of AlCrFeNiTi high entropy alloy (HEA) processed by mechanical alloying (MA) and spark…”
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Effect of Si alloying on the structural, thermal expansion, and magnetic properties of FeCoNiAlSix high-entropy alloys by Nagarjuna, Cheenepalli, Dewangan, Sheetal Kumar, Lee, Hansung, Madavali, Babu, Ahn, Byungmin

“…In this study, a series of FeCoNiAlSix ( x  = 0, 0.2, 0.4, and 0.6) high-entropy alloys (HEAs) were prepared by mechanical alloying and spark plasma sintering…”
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Synergetic effects of co-dispersed Cu and insulating HfO2 nanoparticles enabled high thermoelectric figure of merit in Bi0.5Sb1.5Te3 composites by Dharmaiah, Peyala, Nagarjuna, Cheenepalli, Sharief, Pathan, Hong, Soon-Jik

“…[Display omitted] •Synergistically optimized the TE properties by dual incorporation of Cu and insulating HfO2 nanoparticles.•S was enhanced due to the energy…”
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Grain refinement to improve thermoelectric and mechanical performance in n-type Bi2Te2.7Se0.3 alloys by Nagarjuna, Cheenepalli, Dharmaiah, Peyala, Kim, Ki Buem, Hong, Soon-Jik

“…High-performance thermoelectric (TE) materials are in demand to improve energy conversion efficiency and mitigate the energy crisis for the next generation. In…”
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Strengthening of mechanical and tribological properties in CrFeCuMnNi high entropy alloy through dispersion of TiO2 reinforcement via powder metallurgy processes by Nagarjuna, Cheenepalli, Dewangan, Sheetal Kumar, Rao, K. Raja, Mohan, Man, Lee, Hansung, Song, Eunhyo, Ahn, Byungmin

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Microstructural characterization and thermal stability of AlCrFeNiTi + Y2O3 high-entropy alloy nanocomposites prepared by mechanical alloying by Raja Rao, K., Mohan, Man, Dewangan, Sheetal Kumar, Nagarjuna, Cheenepalli, Lee, Kwan, Ahn, Byungmin

“…•Nano composites with AlCrFeNiTi HEA matrix and Y2O3 reinforcement were synthesized.•The nano composite is nanocrystalline with an average grain size of…”
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Review on applications of artificial neural networks to develop high entropy alloys: A state-of-the-art technique by Dewangan, Sheetal Kumar, Nagarjuna, Cheenepalli, Jain, Reliance, Kumawat, Rameshwar L., Kumar, Vinod, Sharma, Ashutosh, Ahn, Byungmin

“…Compared to conventional alloys, multicomponent high-entropy alloys (HEAs) have received considerable attention in recent years owing to their exceptional…”
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Worn surface and subsurface layer structure formation behavior on wear mechanism of CoCrFeMnNi high entropy alloy in different sliding conditions by Nagarjuna, Cheenepalli, You, Hyeon-Jeong, Ahn, Suseong, Song, Jun-Woo, Jeong, Kwang-Yong, Madavali, Babu, Song, Gian, Na, Young-Sang, Won, Jong Woo, Kim, Hyoung-Seop, Hong, Soon-Jik

“…[Display omitted] •Ball-on-disc wear tests performed in dry and ambient sliding conditions.•The hardness of deformed layer shows 63% higher than matrix due to…”
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Enhancement of thermoelectric properties in p-type ZnSb alloys through Cu-doping by Dharmaiah, Peyala, Heo, Minsu, Nagarjuna, Cheenepalli, Jung, Sung-Jin, Won, Sung Ok, Lee, Kyu Hyoung, Kim, Seong Keun, Kim, Jin-Sang, Ahn, Byungmin, Kim, Hyun-Sik, Baek, Seung-Hyub

“…To meet the growing demand for thermoelectric devices operating in intermediate temperature ranges, it is essential to develop high-performance materials with…”
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Strengthening the mechanical properties and wear resistance of CoCrFeMnNi high entropy alloy fabricated by powder metallurgy by Nagarjuna, Cheenepalli, Yong Jeong, Kwang, Lee, Yeeun, Min Woo, Shin, Ig Hong, Sun, Seop Kim, Hyoung, Hong, Soon-Jik

“…[Display omitted] •CoCrFeMnNi HEA was fabricated by GA and subsequent mechanical milling process.•Mechanical and tribological properties of HEAs were…”
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Predicting the thermoelectric figure of merit in p-type BiSbTe-based alloys using artificial neural network modeling by Madavali, Babu, Nagarjuna, Cheenepalli, Dewangan, Sheetal Kumar, Ahn, Byungmin, Hong, Soon-Jik

“…The polycrystalline Bi0.5Sb1.5Te3 compound has drawn promising thermoelectric material over the decades with a figure of merit (zT) close to unity and numerous…”
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Formation of inhomogeneous micro-scale pores attributed ultralow κlat and concurrent enhancement of thermoelectric performance in p-type Bi0.5Sb1.5Te3 alloys by Nagarjuna, Cheenepalli, Dharmaiah, Peyala, Lee, Jong-Hyeon, Kim, Ki Buem, Song, Gian, Lee, Jin Kyu, Hong, Soon-Jik

“…•Fabricated porous structure in p-type Cu0.07Bi0.5Sb1.5Te3 compounds by assisting PVA as pore former and studied TE properties.•Lattice thermal conductivity…”
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Understanding the role of Si alloying on the structural, mechanical, wear and high temperature oxidation behavior of CrFeNiTiX (X=Si) high entropy alloys by Nagarjuna, Cheenepalli, Lee, Hansung, Dewangan, Sheetal Kumar, Rao, K. Raja, Pillai, Gokul M., Kumar, Vinod, Ahn, Byungmin

“…The present study explores the structural, mechanical, wear, and high temperature oxidation behavior of CrFeNiTiX(X = Si) high entropy alloys (HEAs) processed…”
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