Article
Chemistry, Physical
J. Saha, G. Ummethala, S. R. K. Malladi, P. P. Bhattacharjee
Summary: Severe warm-rolling can influence the microstructure and texture development in FCC equiatomic CoCrFeMnNi HEA, resulting in a coarser microstructure compared to cold-rolled HEA. The warm-rolled HEA exhibited a pure metal texture instead of a predominantly brass type texture, attributed to increased SFE promoting more homogeneous deformation. Additionally, warm-rolling led to a lower stored energy and coarser deformation structure, resulting in a higher recrystallization temperature and larger recrystallized grain size than cold-rolled HEA.
Article
Chemistry, Physical
Ali Shabani, Mohammad Reza Toroghinejad, Marieh Aminaei, Pasquale Cavaliere
Summary: The dynamic recrystallization behavior of FeCrCuMnNi high entropy alloy was investigated, and it was found that dDRX mechanism was the dominant mechanism during hot deformation, bulging was an effective mechanism for inducing new recrystallized nuclei, and grain growth was slower compared to conventional alloys. This behavior was attributed to continuous nucleation, slow diffusion, high solution hardening characteristics of high entropy alloys, and the presence of multiple phases.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
Jufu Jiang, Jian Dong, Minjie Huang, Ying Wang, Wenwen Zhao
Summary: The high temperature deformation behavior and mechanisms of the cold-deformed CoCrCu1.2FeNi high-entropy alloy were studied using optical microscope, scanning electron microscope, and electron backscattered diffraction. The results showed that flow stress increased with decreasing deformation temperature and increasing strain rate, and dynamic recrystallization was observed during the deformation process. Discontinuous dynamic recrystallization occurred at certain temperatures and strain rates, leading to significant recrystallization.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Multidisciplinary
Lijuan Xu, Zhaoqi Chen, Yunfei Zheng, Xiaohan Wang, Shiwei Han, Shulong Xiao, Yuyong Chen
Summary: A high entropy alloy (HEA) with a composition of Ti2ZrMo0.5Nb0.5 was prepared and studied for its mechanical properties, microstructure evolution, and hot deformation behavior. It was found that the recrystallization mechanism of the alloy varies with temperature and strain rate during hot compression tests.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Materials Science, Multidisciplinary
Reza Gholizadeh, Shuhei Yoshida, Yu Bai, Shu Kurokawa, Akinobu Shibata, Nobuhiro Tsuji
Summary: In this study, the deformation behavior of the CoCrFeMnNi alloy under ultra-high strains at various temperatures was investigated. It was found that deformation twinning was extensively activated at moderate to high strains and at elevated temperatures above 600 degrees C. The alloy showed excellent deformability at low temperatures, but embrittlement occurred at intermediate temperatures. This research provides insights into the microstructure evolution and mechanical response of the Cantor alloy under shear deformation at a wide range of strains and temperatures.
Article
Materials Science, Multidisciplinary
Jiaen Lin, Biliang Yuan, Chuanqiang Li, Yong Dong, Peng Zhang, Zhengrong Zhang
Summary: Strength-ductility synergy has been achieved in a face-centered cubic Al0.3CoCrFeNiCu high entropy alloy through mechanical processing and precipitation hardening, opening up new possibilities for the development of high-entropy alloys with a combination of strength and ductility in engineering applications.
Article
Chemistry, Physical
Hailong Yi, Daixiu Wei, Renyi Xie, Yifan Zhang, Hidemi Kato
Summary: The dynamic recrystallization behavior and grain refinement of a TRIP-HEA were investigated at various temperatures and strain rates. The study revealed that discontinuous dynamic recrystallization played a significant role in grain refinement, with the volume fraction and morphology of the recrystallized grains showing strong dependence on the Zener-Hollomon parameter.
Article
Metallurgy & Metallurgical Engineering
Jun Wang, Hongchao Li, Haoxue Yang, Yu Zhang, William Yi Wang, Jinshan Li
Summary: The study found that hot deformation and heat treatment can alter the microstructure and hardness of high-entropy alloys, with high deformation temperature inducing dynamic recrystallization. Partial and complete recrystallization can occur after annealing, with a decrease in hardness related to the processes of dynamic recrystallization and recovery.
ACTA METALLURGICA SINICA-ENGLISH LETTERS
(2021)
Article
Materials Science, Multidisciplinary
Jufu Jiang, Jian Dong, Minjie Huang, Ying Wang, Wenwen Zhao
Summary: The semi-solid thixotropic behavior and microstructure evolution of the deformed CoCrCu1.2FeNi high entropy alloy (HEA) were investigated under isothermal deformation conditions. The results showed that the alloy exhibited a typical stress-strain curve at low strain rates, and two peaks appeared at higher strain rates. The apparent viscosity decreased with increasing shear rate and deformation temperature, indicating shear thinning effect. Semi-solid compression led to uneven plastic deformation, and the microstructure varied in different deformation zones. The roundness of grains increased and then decreased with temperature, while the grain size fluctuated in the large deformation zone. The phase structure remained unchanged during semi-solid deformation but could weaken the segregation of Cu at low temperatures and low strain rates. The strain rate was the main factor affecting recrystallization.
MATERIALS CHARACTERIZATION
(2023)
Article
Materials Science, Multidisciplinary
J. Saha, P. P. Bhattacharjee
Summary: The effects of microstructure, texture, and properties in heavy cold- and warm-rolled CoCrNi MEAs were investigated, showing that warm rolling led to improved mechanical properties and could be a promising processing route.
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
(2021)
Article
Chemistry, Physical
Z. C. Bai, X. F. Ding, Q. Hu, M. Yang, Z. T. Fan, X. W. Liu
Summary: The thermal deformation behaviors and microstructure evolution of a novel light refractory high-entropy alloy TiAlVNb2 were investigated, revealing the occurrence of work hardening, dynamic re-crystallization, and dynamic recovery mechanisms, as well as a high apparent activation energy. Additionally, a unique feature of both discontinuous and continuous dynamic re-crystallization processes was observed in this alloy.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Multidisciplinary
Jianlin Li, Ge Zhou, Jinke Han, Yuhan Peng, Haoyu Zhang, Siqian Zhang, Lijia Chen, Xue Cao
Summary: The Gleeble-3800 thermomechanical simulator unit was used to conduct single-pass hot compression tests on the AlFeCoNiMo0.2 high-entropy alloy with a single-phase BCC structure, at deformation temperatures ranging from 950 to 1150 degrees Celsius, and strain rates ranging from 0.001 to 1s-1. The study investigated the hot deformation behavior of the alloy, determined the dynamic recrystallization critical strain based on the work hardening rate, and revealed the dynamic recrystallization mechanism of the alloy using microstructure characterization techniques.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Chemistry, Physical
S. Paul, B. Tripathy, R. Saha, P. P. Bhattacharjee
Summary: This study investigated the microstructure and crystallographic texture of an extremely low stacking fault energy high entropy alloy. Various changes and phase transformations were observed during heavy cold-rolling and annealing processes. The annealing texture showed remarkable resemblance with other low stacking fault energy alloys, and the suitably annealed alloy exhibited appreciable strength-ductility balance.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
D. D. Ben, H. J. Yang, Y. A. Dong, Y. Z. Tian, S. J. Sun, L. X. Meng, Q. Q. Duan, P. Zhang, Z. F. Zhang
Summary: The microstructural evolutions of a cold-rolled CoCrFeMnNi high-entropy alloy induced by electropulsing treatment at room temperature and liquid nitrogen temperature were studied and compared. Compared to room temperature electropulsing treatment, finer recrystallized grains were obtained by liquid nitrogen electropulsing treatment. The nucleation of grains was mainly promoted by the athermal effect of electropulsing, while the new grain growth was mainly influenced by the thermal effect. Furthermore, electropulsing greatly suppressed the precipitation of the Cr-rich phase, contrary to the annealing samples. The liquid nitrogen electropulsing treatment with a discharging voltage of 6 kV resulted in the highest yield strength (846 MPa) among the electropulsing treated samples due to the partially recrystallized heterogeneous microstructure. Therefore, liquid nitrogen electropulsing treatment shows potential for fabricating desired microstructure and mechanical properties.
MATERIALS CHARACTERIZATION
(2023)
Article
Chemistry, Physical
Xiaopeng Liang, Qingbo Wu, Huizhong Li, RuiXin Wang, Liang Kang, Bin Liu, Li Wang
Summary: The study investigated the static recrystallization and texture evolution of the 80% cold-rolled powder metallurgy CoCrFeNiN0.07 high-entropy alloy during isothermal annealing. Results showed that with increasing annealing temperature, the grain size increased, strength decreased, and elongation increased, indicating unique recrystallization characteristics and texture evolution of the alloy.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Multidisciplinary
Hossein Taheri Barayjani, Mohammad Reza Toroghinejad, Ahmad Rezaeian, Ali Shabani, Philippe Bocher
Summary: This study investigated the effect of different accumulative roll bonding (ARB) process routes on the microstructure and mechanical properties of commercially pure copper strips. The results showed that higher bonding quality and a relatively equiaxed grain were achieved when the strips were processed in route B-C. However, the tensile strength increased in both routes as the ARB process proceeded. Additionally, the failure mode of the specimens changed from a ductile fracture to a shear-ductile fracture with shear dimples as the number of ARB cycles increased.
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
(2023)
Article
Materials Science, Multidisciplinary
Alireza Bagheri, Mohammad Reza Toroghinejad, Aboozar Taherizadeh, Mohammad Mahmoudi, Ali Shabani
Summary: In this research, a three-layered brass/IF steel/brass composite was produced through the cold roll bonding process. The mechanical properties and corrosion behavior of the composite were evaluated. The study found that the tensile strength of the composite increased through cold rolling, reaching values double that of the raw materials. However, the strength decreased with further thickness reduction. The decline in strength was attributed to dynamic recrystallization, especially at the interface of the brass layer. Additionally, the corrosion resistance of the composites improved compared to the initial IF steel sheet.
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
(2023)
Article
Materials Science, Multidisciplinary
Ali Shabani, Mohammad Reza Toroghinejad, Marieh Aminaei
Summary: The hot deformation behavior of FeCrCuMnNi high entropy alloy was studied through hot compression tests in the temperature range of 500-970 degrees C and strain rates of 0.1, 0.01, and 0.001 s-1 up to a strain of 0.6. An Arrhenius-type equation was used to evaluate the deformation behavior and propose a constitutive equation. The alloy exhibited typical hot deformation behavior with an activation energy of approximately 250 kJ/mol, mainly governed by Cu lattice diffusion. Discontinuous dynamic recrystallization (dDRX) was the main restoration phenomenon, with grain boundary sliding and dislocation sliding as the main active mechanisms. Processing maps based on energy efficiency (η) and flow instability (ξ) were plotted, revealing an instability region between 750 and 850 degrees C at different strain rates, which might be directly related to the formation of a hard sigma phase within this temperature range.
MATERIALS CHEMISTRY AND PHYSICS
(2023)
Article
Chemistry, Physical
Amir Gheysarian, Ahmad Rezaeian, Mohammad Reza Toroghinejad
Summary: The microstructural and mechanical properties of CuCrFeNi2Mn2 alloy were investigated under different conditions. The alloy exhibited dendritic microstructure in as-cast state and had FCC structure. Homogenization at 1000 degrees C caused macrosegregation of Mn at grain boundaries, weakening the grain boundaries strength and reducing the strength and elongation of the alloy. Aging treatment, by forming manganese-containing precipitates, eliminated the accumulation of Mn at grain boundaries and improved the strength of the alloy.
Article
Chemistry, Physical
Seyyed Ali Sajadi, Mohammad Reza Toroghinejad, Ahmad Rezaeian, Gholam Reza Ebrahimi
Summary: In this study, the hot deformation and dynamic recrystallization behaviors of an annealed FeCrCuNi2Mn2 high-entropy alloy were investigated. The flow curves were evaluated and constitutive equations were established for the calculation of material constants and modeling of flow stress behavior. The results showed that the increase in deformation temperature and decrease in strain rate led to a decrease in dynamic recrystallization parameters, followed by an increase in recrystallized volume fraction and grain growth, resulting in a decrease in alloy hardness. The activation energy of hot deformation was determined to be 437 kJ/mol and a power equation was established between critical stress and strain and the Zener-Hollomon parameter.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
Bahram Rahnama Falavarjani, Mohammad Reza Toroghinejad, Vahid Yousefi Mehr
Summary: A Cu matrix composite with carbon nano-tubes (CNTs) as reinforcement particles was successfully designed and produced using the accumulative roll bonding (ARB) process. Increasing the number of ARB cycles resulted in a uniform distribution of CNTs in the matrix. However, the addition of 1% CNTs led to weak bonding and decreased ultimate tensile strength (UTS). Microscopy observations showed agglomeration of CNTs between Cu layers, causing weak bonding in certain areas.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Multidisciplinary
Amir Gheysarian, Ahmad Rezaeian, Mohammad Reza Toroghinejad
Summary: In this study, a central composite design of experiment was conducted to investigate the homogenizing treatment of low-cost CuCrFeNi2Mn0.5 alloy. The alloy was cast using the vacuum induction melting method and homogenized under different time/temperature conditions, according to the experimental design. A model was developed using Response Surface Methodology (RSM) to determine the relationship between homogenizing parameters and segregation ratio values. The results showed that the optimal homogenization conditions were heat treating at 1100°C for 17 hours, resulting in the best segregation ratio (SR=1).
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Multidisciplinary
Mohammad Reza Toroghinejad, Saeed Taali, Hamed Asgari, Jerzy A. Szpunar
Summary: The effect of unidirectional accumulative roll bonding (UARB) and rotational ARB (RARB) on the microstructure, texture, and mechanical properties of AA1050 sheets was investigated. It was found that RARB processing can significantly reduce the grain size and suppress the evolution of low-angle grain boundaries to high-angle ones. Additionally, RARB processing introduced additional texture components.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Multidisciplinary
Mahnoosh Shaarbaf, Mohammad Reza Toroghinejad, Ali Shafyei, Shahryar Asqardoust, Farideh Salimyanfard
Summary: The paper presents a study on a high-entropy alloy, NiCoCrFe, produced in a Vacuum Induction Melting furnace. The alloy is subjected to various strain rates using the Split Hopkinson Pressure Bar. Characterization of the alloy's flow behavior is done using the modified Johnson-Cook model. X-ray diffraction and EBSD analysis indicate that the alloy has a single-phase FCC crystal structure at different processing stages. The presence of twins at high strain rates confirms the occurrence of Twin-Induced Plasticity. The strain gradient in the sample leads to the production of geometrically necessary dislocations, resulting in strain hardening. Nano-twin bundles are observed in hat-shaped samples, preventing strain localization and making the alloy suitable for high-speed impact applications.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Multidisciplinary
Mohammad Reza Toroghinejad, Saeed Taali, Hamed Asgari, Jerzy A. Szpunar
Summary: This study investigates the effects of strain path variation on the microstructure, texture, and mechanical properties of commercially pure Al sheets during accumulative roll bonding (ARB). The results show that increasing the number of cycles significantly improves the grain size and texture of CARB-processed aluminum sheets, leading to increased hardness and toughness.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Nanoscience & Nanotechnology
Ali Shabani, Alireza Bagheri, Mohammad Reza Toroghinejad, Pasquale Cavaliere
Summary: Al/IF composite was produced through accumulative roll bonding. The IF layer fractured during the process and distributed within the Al matrix, forming specific microstructure and texture. The composite exhibited typical tensile behavior, with strength increasing and elongation decreasing. The increase in dislocation density and decrease in crystallite size were the main governing parameters of these variations.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Review
Engineering, Mechanical
Behzad Sadeghi, Pasquale Cavaliere, Ali Shabani, Catalin Iulian Pruncu, Luciano Lamberti
Summary: This paper presents a critical review on the measuring methods and parameters affecting nano-tribology in the context of nano-scale wear. It discusses the significance of nano-scale wear and its impact on device performance, lifespan, durability, energy efficiency, cost savings, and environmental sustainability. The review explores the measuring methods employed to assess nano-scale wear, such as scanning probe microscopy techniques, and highlights the capabilities of these techniques in studying various aspects of nano-scale wear. Additionally, it discusses the parameters affecting nano-wear, such as lubrication strategies, stress levels, sliding velocity, and atomic-scale reactions.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY
(2023)
Article
Chemistry, Physical
Ali Shabani, Mohammad Reza Toroghinejad, Marieh Aminaei, Pasquale Cavaliere
Summary: The dynamic recrystallization behavior of FeCrCuMnNi high entropy alloy was investigated, and it was found that dDRX mechanism was the dominant mechanism during hot deformation, bulging was an effective mechanism for inducing new recrystallized nuclei, and grain growth was slower compared to conventional alloys. This behavior was attributed to continuous nucleation, slow diffusion, high solution hardening characteristics of high entropy alloys, and the presence of multiple phases.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
Madeeha Riaz, Manahil Najam, Hina Imtiaz, Farooq Bashir, Tousif Hussain
Summary: This study focuses on the structural and biological analysis of Zn-Cu based biodegradable alloys for orthopedic applications. The results indicate that the alloys have good electrical conductivity and biocompatibility, with potential for promoting bone growth and healing process. Additionally, the alloys exhibit a low corrosion rate and improved corrosion resistance.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Rijo Rajeev, Sk Safikul Islam, Anitha Varghese, Gurumurthy Hegde, Suryasarathi Bose
Summary: In this study, a facile and selective electrochemical sensor was developed for the sensing of guanosine. The sensor utilized a unique porous structure and ordered framework, enabling linear detection of guanosine concentration in the range of 0.123-720 μM under specific conditions.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Rafael V. M. Freire, Dominique Celeste de A. Dias, Jose Yago Rodrigues Silva, Dayane Kelly Dias do Nascimento Santos, Larissa T. Jesus, Ricardo O. Freire, Severino A. Junior
Summary: This study reports the extraction and isolation of euphol from nature, its adsorption in nanosized ZIF-8, and the efficacy of this system against cancer cells. Experimental and simulation results show that ZIF-8 can enhance the effectiveness of euphol against cancer cells and selectively target cancer cells.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Manal A. Awad, Awatif A. Hendi, Maha M. Almoneef, Maymunah Alwehaibi, Khalid M. Ortashi, Wadha Alenazi, Fatimah S. Alfaifi, Shareefa Alahmariye, Asma Alangery, Warda Ali Alghoubiri, Haia Aldosari
Summary: In this study, magnesium-doped zinc oxide nanoparticles were synthesized and characterized. The research findings show that magnesium doping can alter the crystal structure and optical properties of zinc oxide, while enhancing its dielectric constant.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
F. J. Willars-Rodriguez, I. R. Chaverz-Urbiola, M. A. Hernandez-Landaverde, A. Zavala-Franco, E. A. Chavez-Urbiola, P. Vorobiev, Yu V. Vorobiev
Summary: This study focuses on manganese doped CdS thin films synthesized by chemical bath deposition. The incorporation of Mn2+ cations in CdS was found to influence the crystalline structure, morphology, and optoelectronic properties. Doped thin films exhibited a uniform hexagonal structure, changed growth orientation, and showed scale-like and needle-like morphologies. The bandgap and rectification speed of Schottky diodes were modified by introducing manganese. This study suggests the potential for affordable high-speed optoelectronic devices.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Mehdi Javidi, Hooman Karimi Abadeh, Fatemeh Namazi, Hamid Reza Yazdanpanah, Narjes Shirvani Shiri
Summary: This study investigated the synergistic effect of temperature, solution velocity, and sulphuric acid concentration on the corrosion behavior of carbon steel using response surface methodology. The results showed that temperature affected anodic reactions, solution velocity influenced cathodic reactions, and acid concentration altered the corrosion mechanisms by changing the properties of the surface layer.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
R. Sakthivel, Thirumoorthy Kulandaivel, Kirankumar Venkatesan Savunthari, K. Mohanraj, Hans-Uwe Dahms, Aswin kumar Anbalagan, Manjunath Rangasamy, Kien-Voon Kong
Summary: In this study, saturated fatty acids were incorporated with silane to modify viscose fabric, resulting in superhydrophobic and superoleophilic properties. The modified fabric showed excellent separation efficiency for oil and organic solvents, with high absorption capacity. The modified fabric also exhibited durability and retained its properties in harsh conditions.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Wei Zhang, Hong Lei, Wenqing Liu, Zefang Zhang, Yi Chen, Xiaogang Hu, Xiangshan Ye
Summary: In this study, EDTA-grafted alumina composite abrasives were produced by a two-step process for the CMP of sapphire substrates. Experimental results showed that the modified abrasives exhibited better dispersion properties and significantly improved polishing efficiency, with higher material removal rates and lower surface roughness. The combination of chemical reaction and mechanical action enhanced the CMP performance.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Shumaila Rafaqat, Bushra Perveen, Warda Raqba, Warda Imran, Arshad Hussain, Naeem Ali
Summary: This study developed a MnP-based biosensor for quantitative measurement of dye concentrations using electrochemical signals. The effects of two different dyes on MnP activity were investigated, with one dye showing inhibitory effects and the other dye having no effect. The study demonstrates the potential application of enzyme-based biosensors in dye detection and toxicological monitoring.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Jinyan Shi, Oguzhan Yavuz Bayraktar, Baris Bayrak, Burak Bodur, Ali Oz, Gokhan Kaplan, Abdulkadir Cuneyt Aydin
Summary: The elemental composition of precursors is crucial for the performance development of geopolymers. The use of lime instead of metakaolin increases the fluidity and mechanical properties of geopolymers, while the addition of gypsum decreases them. Furthermore, higher lime content exacerbates the negative effect of gypsum.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Aayush Gupta, Kaveri Ajravat, Loveleen K. Brar, O. P. Pandey, Pandey Rajagopalan
Summary: This study focuses on the performance of Mn3O4-ZnO composite material in wastewater treatment and energy storage applications, and presents a detailed comparative analysis. Results show that the composite material with equal concentrations of Mn3O4 and ZnO exhibits excellent photocatalytic activity and high capacitance.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
V. Murugabalaji, Matruprasad Rout, Harsh Soni, Biranchi Narayan Sahoo
Summary: This study focuses on the corrosion characteristics of AA 7075 and AA 7075 based hybrid composite fabricated using stir casting and hot rolling techniques. The results show that the hybrid composite produced by hot cross rolling exhibits better corrosion resistance compared to the base metal. The addition of a small amount of graphite improves the bonding between the matrix and reinforcements, and the hot cross rolling enhances this bonding, leading to the formation of a strong passivation oxide layer and increased charge transfer resistance, thereby improving corrosion resistance.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Fangkun Ning, Qinghao Shi, Shuping Kong, Weitao Jia, Lifeng Ma
Summary: The paper investigates a new method of rolling sheets with variable chamfering amounts in both the transversal and normal directions. The feasibility of the technological process was tested through simulation and compared with experimental results. Three important process parameters, temperature, stress, and flow velocity, were used to evaluate the effects on chamfering amount before determining the optimal angle. The spread formula for evaluating the shape quality of the plate after ECR was obtained through testing and theory.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
Aqeel Abbas, M. A. Hussein, Mohamed Javid
Summary: In this study, the AM60 magnesium alloy was processed using high-energy ball milling, and the results showed that different reinforcement agents had certain effects on particle size, crystallite size, lattice strain, and dislocation density.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
Article
Materials Science, Multidisciplinary
D. S. Mahmoud, E. M. Eldesouki, W. M. Abd El-Gawad
Summary: The development of flexible and lightweight microwave-absorbing materials has become a trendy topic. This study focuses on enhancing the microwave-absorbing performance of butadiene-acrylonitrile rubber (NBR) by incorporating novel reinforcing nanofillers. The results show that the NBR nanocomposite with a loading of 16 parts per hundred rubber (phr) of LiFe 20%/Si has the best microwave-absorbing performance.
MATERIALS CHEMISTRY AND PHYSICS
(2024)
