Article
Materials Science, Ceramics
Levent Koroglu, Ceren Peksen
Summary: The study investigated the effect of particle size and phosphorous content in biomineralization media on the in vitro bioactivity of Monticellite based ceramic powders. The results indicated that the bioactive characteristics of Monticellite based ceramic powders could be influenced by particle size.
BOLETIN DE LA SOCIEDAD ESPANOLA DE CERAMICA Y VIDRIO
(2021)
Article
Materials Science, Ceramics
Yingwei Xiong, Jiajing LI, Dandan Zhao, Hui Dan, Yi Ding
Summary: By studying the Nd-doped 0.2Zr1-aNdaO2-a/2/Zr1-bNdbSiO4-b/2 ceramics, it was found that they have a high immobilization ability for Nd and exhibit excellent aqueous stability, making them a potential candidate waste form for radioactive materials.
CERAMICS INTERNATIONAL
(2023)
Article
Pharmacology & Pharmacy
Damandeep Kaur, M. S. Reddy, O. P. Pandey
Summary: This study describes the synthesis of biocompatible alkali-free glasses using rice husk and eggshells, characterizing the glasses through various techniques and developing a model to predict drug release rate. The results indicate the potential application of these low-cost glasses in drug delivery and environmental pollution management.
JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY
(2021)
Article
Construction & Building Technology
Levent Koroglu, Derya Over Kaman, Erhan Ayas
Summary: The study found that heat-treated boron derivative wastes used as replacements for Portland cement significantly affected the strength of mortars due to their particle size distribution. Smaller particle sizes decreased the strength of mortars, while larger particle sizes reduced the strength significantly.
CONSTRUCTION AND BUILDING MATERIALS
(2021)
Review
Geochemistry & Geophysics
Maximina Romero, Isabel Padilla, Manuel Contreras, Aurora Lopez-Delgado
Summary: Mullite is an important ceramic material with excellent physical properties but it is scarce in nature, necessitating manufacture through different synthesis methods. Using mining waste as feedstock for mullite ceramics not only reduces manufacturing costs, but also brings environmental benefits by preventing over-exploitation of natural resources and reducing the volume of mining waste that needs to be managed.
Article
Materials Science, Multidisciplinary
Berit Zeller-Plumhoff, Melissa Gile, Melissa Priebe, Hanna Slominska, Benjamin Boll, Bjoern Wiese, Tim Wuerger, Regine Willumeit-Roemer, Robert Horst Meissner
Summary: The study examined the degradation of pure magnesium wire in simulated body fluid under physiological conditions and predicted the degradation rate based on the medium's ionic composition. A non-linear relationship was discovered between degradation rate and the precipitation of calcium salts, with a mean absolute error of 1.35 mm/yr in predicting the degradation rate. This relatively high value suggests that ionic interactions are complex or that an unknown parameter influencing degradation may be present.
Article
Materials Science, Coatings & Films
S. Bano, A. Rincon Romero, D. M. Grant, A. Nommeots-Nomm, C. Scotchford, I Ahmed, T. Hussain
Summary: ICIE16 and 13-93 bioactive glasses were coated using a high-velocity oxy-fuel thermal spraying technique, with higher flame power resulting in denser, harder, and rougher coatings. The 13-93 coating showed higher stability and cell proliferation in simulated body fluid.
SURFACE & COATINGS TECHNOLOGY
(2021)
Article
Chemistry, Physical
Azeem Ullah, Md Kaiser Haider, Fei-fei Wang, Shu Morita, Davood Kharaghani, Yan Ge, Yuji Yoshiko, Jung Soon Lee, Ick Soo Kim
Summary: Clay-based bone tissue scaffolds are promising materials for bone tissue engineering due to their ability to enhance osteoblastic differentiation and apatite deposition. The addition of illite clay improves the mechanical properties and biomineralization of the composite scaffolds, leading to better cell viability and osteoblastic differentiation compared to traditional scaffolds.
APPLIED CLAY SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
J. Kulhankova, D. Rohanova, D. Horkavcova, P. Bezdicka, A. R. Boccaccini
Summary: Simulated Body Fluid (SBF) is similar to human blood plasma but with some differences that can affect in vitro bioactivity tests. The main difference is the presence of TRIS buffer in SBF, which maintains neutral pH. This study investigated the effect of (HCO3)- ions in non-buffered SBF on the solubility of a bioactive glass-ceramic material. Results showed that a non-buffered SBF solution with a concentration of (HCO3)- ions closer to that in human blood plasma could replace the standardized SBF solution to avoid false-positive results in bioactivity tests.
MATERIALS TODAY CHEMISTRY
(2023)
Article
Materials Science, Ceramics
Zsolt Kovacs, Margit Fabian, Noemi Szasz, Inna Szekacs, Viktoria Kovacs Kis
Summary: A wide range of bioactive glasses with excellent degradability and bioactivity in the human body were synthesized and tested for bioactivity in simulated body fluid. A novel quantitative assessment method for bioactive layer formation was proposed based on nanoindentation tests.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2022)
Article
Chemistry, Multidisciplinary
Hiroki Miyajima, Hiroki Touji, Kazutoshi Iijima
Summary: Bone-like hydroxyapatite (HAp) was prepared from 1.5SBF with different pH values, resulting in micro-sized particles with higher Ca/P ratio and crystallinity at pH 7.4, and nano-sized particles at pH 8.0 and 8.4. A mixture of micro-sized and nano-sized particles was obtained at pH 7.7. Monitoring Ca2+ concentrations showed a drastic decrease at pH 7.4, slightly decreased at higher pH, and higher at pH 7.7. The cytotoxicity of the obtained precipitates to mesenchymal stem cells was lower than that of synthetic HAp.
Article
Materials Science, Multidisciplinary
Abhijit Vyas, Vijay Shankar Kumawat, Subrata Bandhu Ghosh, Sanchita Bandyopadhyay-Ghosh
Summary: This study successfully developed engineered fluorcanasite-frankamenite-fluorapatite glass-ceramic materials for potential bone scaffold applications with bone mimicking crystalline microstructure and enhanced bioactivity response. Controlled two-stage heat treatment profile and differential thermal analysis were utilized to convert synthesized glass compositions into glass-ceramics, revealing a material with enhanced bioactivity and mechanical interlocking effect. Systematic pH study in simulated body fluid confirmed the promising potential of the novel glass-ceramic biomaterials.
MATERIALS TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Radu Mirea, Iuliana Manuela Biris, Laurentiu Constantin Ceatra, Razvan Ene, Alexandru Paraschiv, Andrei Tiberiu Cucuruz, Gabriela Sbarcea, Elisa Popescu, Teodor Badea
Summary: A CoCrMo-based metallic alloy was manufactured using 3D printing method and tested in a simulated body fluid to assess its behavior, demonstrating the formation of a protective layer on its surface in a relatively short period of time.
Article
Nuclear Science & Technology
Xiao-Wen Sun, Li-Ke Liu, Song Chen
Summary: In this study, waste forms were prepared using volcanic ash to immobilize sodium-salt waste containing simulated Cs-137. The results showed that a Si/Al molar ratio of 2 was favorable for the formation of pollucite, and the immobilization of Cs+ was related to Si/Al molar ratio and types of sodium salts.
NUCLEAR ENGINEERING AND TECHNOLOGY
(2021)
Article
Chemistry, Physical
Viktor A. Ponomarev, Anastasia D. Popova, Aleksander N. Sheveyko, Elizaveta S. Permyakova, Konstantin A. Kuptsov, Alla S. Ilnitskaya, Pavel V. Slukin, Sergei G. Ignatov, Natalia A. Gloushankova, B. Subramanian, Dmitry V. Shtansky
Summary: The fabrication of bactericidal and bioactive coatings remains a challenge, but the addition of bioactive elements during plasma electrolytic oxidation (PEO) and ion implantation of Fe and Cu ions has shown promising results. Doping with boron or silicon enhances cell proliferation and differentiation, with these coatings demonstrating good mineralization ability in simulated body fluid. Furthermore, boron-doped PEO coatings exhibit strong antimicrobial properties against multidrug-resistant bacteria and prevent biofilm formation.
APPLIED SURFACE SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Ezgi Butev Ocal, Ziya Esen, Kadri Aydinol, Arcan F. Dericioglu
MATERIALS CHEMISTRY AND PHYSICS
(2020)
Article
Materials Science, Multidisciplinary
Levent Koroglu, Erhan Ayas
MATERIALS CHEMISTRY AND PHYSICS
(2020)
Article
Materials Science, Multidisciplinary
Ziya Esen, Ezgi Butev Ocal, Asli Akkaya, Bensu Gurcay, Ceren Ozcan, Burcu Asli Ozgumus, Ozgur Duygulu, Arcan F. Dericioglu
Article
Materials Science, Ceramics
Ceren Peksen, Levent Koroglu, Hilal Kartal
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
(2020)
Article
Materials Science, Multidisciplinary
Levent Koroglu, Gozde Cagirman, Ece Dagaslan, Erhan Ayas
Summary: This study investigated the effects of Eu content and sintering temperature on the microstructural development and in vitro bioactive characteristic of Eu-doped monticellite-based ceramics prepared using boron derivative waste. The results showed that increasing Eu content resulted in narrower size distribution of closed porosities, while increasing sintering temperature led to the amorphisation of crystalline phases and the formation of porosities. Surface feature and sintering temperature influenced the in vitro bone-like apatite formation ability regardless of Eu content. Ceramics sintered at 1000 degrees C for 2 h exhibited desired bioactive response with the formation of a dense bone-like apatite layer on the surface.
MATERIALS TECHNOLOGY
(2022)
Review
Materials Science, Multidisciplinary
Levent Koroglu, Erhan Ayas, Nuran Ay
Summary: This paper comprehensively reviews the research on PVDF-based piezoelectric nanocomposites prepared by 3D printing technology and discusses methods such as structural design to improve their energy harvesting and storage performance.
MACROMOLECULAR MATERIALS AND ENGINEERING
(2021)
Article
Chemistry, Physical
Hadi Jahangiri, Samira Mohagheghi, Armin Asghari Alamdari, Rifat Yilmaz, Kubra Gurcan Bayrak, Feng Yu, Hassan Ghadbeigi, Erhan Ayas, Amir Motallebzadeh
Summary: Light-weight high entropy alloys (LWHEAs) are equiatomic or near-equiatomic alloys consisting of at least five elements, designed with low-density elements like Al and Ti to achieve reduced overall density and improved mechanical properties. A new LWHEAs alloy (Al2CrFeMnTi) has been successfully synthesized with a multiphase microstructure, high hardness, and some level of ductility observed before failure, potentially linked to the minimal strain hardening of the BCC phase and the formation of ultra-fine L-21 precipitates within the BCC phase.
Article
Materials Science, Multidisciplinary
Timon Suckow, Stephan Volkers, Ezgi Butev Ocal, Markus Grass, Stefan Bohm, Peter Groche
Summary: The present study provides an overview of previous studies on the welding of AA7075-T6 aluminum alloy and investigates the influence of short-time solution annealing on the mechanical properties of the weld. The results show that a short solution annealing time significantly increases weld strength, and the cooling rate after solution heat treatment affects the formation of precipitates in the microstructure of the welded alloy.
Article
Materials Science, Multidisciplinary
Burak Dernir, Erhan Ayas
Summary: This study introduces a new method for synthesizing Cr2AlB2 and discusses the effects of temperature, dwell time, and Al content on the synthesis process. The pure Cr2AlB2 phase was obtained for the first time using the SPS method.
Article
Materials Science, Ceramics
Levent Koroglu, Asli Asiye Agil, Erhan Ayas
Summary: The study investigates the effect of Gd doping on the properties of polycrystalline Ce1-xGdxB6 ceramics. It is found that the addition of Gd increases the volume of secondary phases and reduces the relative density. Ce0.8Gd0.2B6 exhibits the highest fracture toughness and greater electrical resistivity, making it a potential candidate for electron emitters.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Ceramics
Sina Kavak, Kubra Gurcan Bayrak, Mubashir Mansoor, Mertcan Kaba, Erhan Ayas, Ozge Balci-Cagiran, Bora Derin, M. Lutfi Ovecoglu, Duygu Agaogullari
Summary: First principles calculations were used to study the (HfTiWZr)B2 high entropy diboride and showed that it has low formation energy and promising mechanical properties. The synthesized samples exhibited high hardness and low wear volume loss. The multi-phase HEBs also demonstrated low thermal conductivity and low mass gain at high temperature.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2023)
Article
Materials Science, Multidisciplinary
Levent Koroglu, Cem Aciksari, Erhan Ayas, Emel Ozel, Ender Suvaci
Summary: SnO2 ceramics were prepared by SPS and conventional sintering techniques, and their densification behavior and microstructural development were studied. SPSed ceramics exhibited higher relative density compared to conventionally sintered ceramics, and showed potential for producing high-quality thin film gas sensors.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Materials Science, Multidisciplinary
Ezgi Buetev Oecal, Seyed Vahid Sajadifar, Erik P. K. Sellner, Malte Vollmer, Akbar Heidarzadeh, Janez Zavasnik, Thomas Niendorf, Peter Groche
Summary: In this study, functionally graded AA7075 components manufactured via hot stamping are investigated, with a focus on the effect of different process variables on localized microstructure evolution. The design of experiments allows for the assessment of transfer time, quenching time, and quenching media. Mechanical properties are evaluated through hardness and tensile tests. The results show that sections formed in the cooled part of the tool have higher mechanical strength and the formation of fine precipitates, while sections formed in the heated part exhibit higher ductility and the formation of coarse precipitates.
ADVANCED ENGINEERING MATERIALS
(2023)
Article
Engineering, Multidisciplinary
Kubra Gurcan, Bora Derin, Erhan Ayas
Summary: In this study, HfB2-SiC ceramic composites were synthesized and densified using spark plasma sintering method with different sizes of SiC particles as reinforcement. The composites with fine SiC particles showed higher densification, hardness, and fracture toughness, with a change in fracture mode and crack deflection as the primary toughening mechanism. The oxidation test results indicated that the composite with fine SiC particles had more uneven oxide scales compared to the composite with coarse SiC particles.
JOURNAL OF POLYTECHNIC-POLITEKNIK DERGISI
(2021)
Article
Materials Science, Multidisciplinary
Deyong Zheng, Huihui Jin, Yucong Liao, Pengxia Ji
Summary: In this study, a highly stable and efficient catalyst, fluorine-doped Co3O4 (F-Co3O4), was developed for hydrogen production by water electrolysis. The F-Co3O4 catalyst exhibited a remarkable reduction in overpotential and demonstrated excellent stability for over 100 hours.
Article
Materials Science, Multidisciplinary
Ziwen Lv, Jintao Wang, Fengyi Wang, Jianqiang Wang, Fuquan Li, Hongtao Chen
Summary: Adding Cu6Sn5 nano particles can effectively inhibit the overgrowth of intermetallic compounds at the interfaces of solder joints in electronic devices, providing a solution to this issue. A new growth mechanism of intermetallic compounds at the interfaces was identified.
Article
Materials Science, Multidisciplinary
Jun Wang, Jiawei Chen, Wanru Liao, Fangyang Liu, Min Liu, Liangxing Jiang
Summary: A BiOI/AgI/Ag plasmonic heterostructure photocathode was successfully designed through electrodeposition, ion-exchange, and illumination methods. This photocathode exhibits superior performance in photoelectrochemical water splitting.
Article
Materials Science, Multidisciplinary
Xiaoxiao Liu, Xianxian Zhou, Xiaotao Ma, Qinbo Yuan, Shibin Liu
Summary: In this study, the authors propose a method to accelerate the reaction of polysulfides in lithium-sulfur batteries using a Ni@OC Mott-Schottky heterojunction as a catalyst. The experimental results demonstrate that the charge redistribution at the Ni@OC interface accelerates electron transfer and enhances catalytic activity, leading to improved reaction kinetics and battery performance.
Article
Materials Science, Multidisciplinary
Dayou Ma, Mohammad Rezasefat, Joziel Aparecido da Cruz, Sandro Campos Amico, Marco Giglio, Andrea Manes
Summary: The matrix has a significant effect on the impact resistance of composite materials. Replacing a brittle polymer with a more flexible one can improve impact resistance, but it poses challenges to standard testing methods. This study designs a new fixture for testing the low-velocity impact of soft composites and investigates the effect of the fixture on the mechanical performance.
Article
Materials Science, Multidisciplinary
Lingchang Wang, Qihang Yang, Huzhen Li, Ming Wei, Qian Wang, Zhenzhong Hu, Mengmeng Zhen
Summary: Bronze titanium dioxide (TiO2(B)) is a promising anode material for lithium-ion batteries due to its high specific capacity. However, its practical applications are hindered by poor conductivity and limited electrochemical kinetics. In this study, TiO2(B)-carbon nanosheets heterostructures are synthesized to enhance the cycling performance and rate capability of TiO2(B).
Article
Materials Science, Multidisciplinary
Atul Thakur, Ritesh Verma, Ankush Chauhan, Fayu Wan, Preeti Thakur
Summary: In this study, BaFe12O19 and BaFe12O19: Epoxy (50:50) nanocomposites were synthesized using the co-precipitation method. The structural information and material properties, such as crystallite size and electrical conductivity, were characterized by XRD, FESEM, EDX, and TEM techniques.
Article
Materials Science, Multidisciplinary
Jingyu Wu, Xinyan Ma, Yong Yang
Summary: A well-defined CoS2@NC(CS-500) hierarchical binder-free catalyst cathode is constructed through in-situ grown of ZIF-67 on carbon cloth and high-temperature carbonization. The cathode shows excellent reaction kinetics and electrochemical performance, providing inspiration for developing advanced Li-CO2 battery catalysts.
Article
Materials Science, Multidisciplinary
Svetlana M. Posokhova, Vladimir A. Morozov, Kirill N. Boldyrev, Dina Deyneko, Erzhena T. Pavlova, Bogdan I. Lazoryak
Summary: This study explores the impact of synthesis method and composition on the structure and luminescence properties of K5Eu1-xHox(MoO4)4 with the palmierite-type matrix. The co-doping of Eu3+ and Ho3+ ions plays a critical role in manipulating charge transfer and luminescence efficiency in the visible and infrared regions.
Article
Materials Science, Multidisciplinary
Jian Wang, Yeting Tao, Jingsheng Wang, Youtian Tao
Summary: A new electron-transport material iTPyBI-CN is developed through non-catalytic C-N coupling reaction. It exhibits better electroluminescence efficiency in organic light-emitting diodes compared to the commercial material TPBI, due to its twisted geometry and higher energy levels.
Article
Materials Science, Multidisciplinary
Tao Zhu, Feng Huang, Shuo Li, Yang Zhou
Summary: This article combines XRD analysis and microscopic structural observation to investigate the changes in limestone after high-temperature treatment. It finds that 500 degrees C is the critical temperature for crystalline and spatial arrangement changes in limestone, and the thermal conductivity, specific heat capacity, and heat storage coefficient gradually decrease after thermal treatment.
Article
Materials Science, Multidisciplinary
Muhammad Haekal Habibie, Fransiska Sri Herwahyu Krismastuti, Abdi Wira Septama, Faiza Maryani, Vivi Fauzia
Summary: This study focuses on the synthesis of zinc oxide nanostructure from zinc recovered from galvanization ash and highlights its potential as a sustainable source of zinc and as an antibacterial agent.
Article
Materials Science, Multidisciplinary
Jingyi Li, Yixin Xing, Wei Gu, Shousi Lu
Summary: In this study, PC@CaP microparticles were fabricated using biomimetic mineralization. The results showed that under environmental stress, PC@CaP exhibited improved stability and antioxidative activity, indicating its potential use in high-added value fields.
Article
Materials Science, Multidisciplinary
Yan Liu, Shunyou Chen
Summary: In this study, TNTs were used as a drug carrier and modified with ZIF-8 and silk fibroin to obtain a new drug loading platform. The results showed that this drug-loaded platform had a good drug release effect in vitro and could promote cell proliferation and osteogenic differentiation.
Article
Materials Science, Multidisciplinary
Chunhui Zhu, Wentao Wang, Qing Zhen, Xinning Huang, Shixin Li, Shaochang Wang, Xiaoping Ma, Xiaoxia Liu, Yalong Jiao, Kai Sun, Zhuangzhi Li, Huaixin Yang, Jianqi Li
Summary: A type of stacking fault is revealed in e-InSe crystal, which is associated with a small stacking-fault energy and shows exceptional plasticity.
