Li, Xiang Bao, Yanping Wang, Jun Li, Yutang Wang, Linzhu
Published in
Metallurgical Research & Technology
Zr has been widely used in high-quality steel due to its strong deoxidizing capacity and ability of improve performance of steel. ZrO2–Al2O3 inclusions with core-shell structure were observed in this study. The structure, electronic properties, and energy changes of ZrO2 and ZrO2–Al2O3 systems were studied based on first principles calculation. It ...
Sudarsan, D. Bovas Herbert Bejaxhin, A. Raj Kumar, S.
Published in
Journal of Physics: Conference Series
Modern materials for lightweight, high-strength applications in the automotive and aerospace industries have gained popularity as hybrid metal matrix composites. AA 7075 was chosen for the metal matrix in this study due to its superior castability, compatibility, and extensive use in the aerospace and automotive industries. The main reason zirconiu...
P, Haja Syeddu Masooth V, Jayakumar G, Bharathiraja Mekonnin, Keno Teshome
Published in
Materials Research Express
This study aims to evaluate the effect of HSS drill tool coatings, namely single-layer TiN, single-layer AlCrN, and double-layer AlTiN + TiSiXN (Durana), on the surface roughness and cylindricity of AA6061 (90 wt%)/C (5 wt%)/ZrO2 (5 wt%) hybrid composite material processed by the stir casting method. The fabricated sample was examined for the unifo...
Ajiriyanto, Maman Kartaman Anawati, Anawati
Published in
Journal of Physics D: Applied Physics
The corrosion resistance of ceramic coatings developed by plasma electrolytic oxidation (PEO) can be improved by embedding particles. Optimizing the concentration of particles in the electrolyte is essential to obtain the best coating performance. This work aims to optimize the concentration of Y2O3 embedded in the PEO coatings on Zr-4 alloy to obt...
Higashinakao, Tadahiro Kono, Hiroshi Itotagawa, Mihiro Sugiura, Yuki Otsuka, Yuta Kikuchi, Masafumi
Published in
Biomedical Materials
Because of its superior strength, esthetic properties, and excellent biocompatibility, zirconia is preferred for dental prosthetic such as crowns and bridges. However, zirconia crowns and bridges are susceptible to secondary caries owing to margin leakage. Silver is a well-known antibacterial agent, making it a desirable additive to zirconia crowns...
Zhang, Wei Shi, Yuxuan Zhang, Bowen Liu, Zengqiang Cao, Yating Pan, Ting Li, Yubao
Published in
Nanotechnology
Recently discovered ferroelectricity in fluorite-structure ZrO2 thin film has attracted increasing and intense interest due to its lower crystallization temperature and higher content in nature in comparison to hafnium oxide. Here, the effect of HfO2 interfacial layer on the ferroelectric properties of ZrO2 thin films is investigated systematically...
Ma, Cuidie Xu, Zhihui Hao, Kun Fan, Lingling Du, Wenqian Gao, Zhan Wang, Chong Zhang, Zheng Li, Ningxia Li, Qi
...
Published in
Frontiers in Bioengineering and Biotechnology
Extracellular vesicles (EVs) are pivotal in intercellular communication, disease mechanisms. Despite numerous methods for EVs isolation, challenges persist in yield, purity, reproducibility, cost, time, and automation. We introduce a EVs isolation technique using Fe3O4@ZrO2 beads, leveraging ZrO2-phosphate interaction. The results indicated that EV...
Khomenkova, L Marchylo, O Polishchuk, Yu Ponomaryov, S Isaieva, O Vorona, I Melnichuk, L Portier, X Melnichuk, O Korsunska, N
...
Published in
Materials Research Express
Undoped, Cu and/or Y doped ZrO2 nanopowders were synthesized with Zr, Y, and Cu nitrates using a co-precipitation approach. Their structural and optical properties were examined regarding dopant content (0.1–8.0 mol.% of CuO and 3–15 mol.% of Y2O3) and calcination conditions (400 °C–1000 °C and, 1,2 or 5 h) through Raman scattering, XRD, TEM, EDS, ...
P, Haja Syeddu Masooth V, Jayakumar Bharathiraja, G Palani, Kumaran
Published in
Materials Research Express
This study focuses on the optimization of wire-cut electric discharge machining (WEDM) process for hybrid metal matrix nanocomposites. AA6061 alloy reinforced with graphene (C) and zirconia (ZrO2) was fabricated through the stir casting method with ultrasonic assistance for three different weight proportions: 92% AA6061 / 3% C / 5% ZrO2, 87% AA6061...
M, Nataraja Balakumar, G Santhosh, N Rudra Naik, M
Published in
Materials Research Express
The primary objective of this study is to fabricate an Al-12 wt% Si Alloy/ZrO2 composite using the Stir Casting technique, with a specific focus on assessing its performance, particularly in terms of wear characteristics. This research presents a unique approach by utilizing Al-12 wt% Si Alloy as the matrix material, aiming to develop tailored Al A...