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Izuchukwu K. Nwokolo, Hongwei Shi, Alexander I. Ikeuba, Ningjie Gao, Jiwen Li, Sharjeel Ahmed and Fuchun Liu
An innovative metal?organic framework (ZnMOF-BTA) with corrosion inhibition properties was prepared by the solvothermal reaction of zinc nitrate, 1,2,3-benzotriazole, and 2,5-thiophene dicarboxylic acid. ZnMOF-BTA was characterized by FTIR, XRD, XPS, SEM...
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Venkatachalam Jayaraman, Shanmugam Mahalingam, Shanmugavel Chinnathambi, Ganesh N. Pandian, Aruna Prakasarao, Singaravelu Ganesan, Jayavel Ramasamy, Sivasankaran Ayyaru and Young-Ho Ahn
The HfO2 nanoparticles and the nanocomposites of HfO2-graphene (10, 30, and 50 wt%) were prepared via precipitation and simple mixing method. The XRD pattern confirmed the presence of monoclinic HfO2 and hexagonal graphene in the nanocomposite. Raman spe...
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Sneha Samal, Ondrej Tyc, Jan Cizek, Jakub Klecka, Franti?ek Lukác, Orsolya Molnárová, Esther de Prado, Zdenek Weiss, Jaromír Kopecek, Ludek Heller, Petr ?ittner and Tomá? Chráska
Thick NiTi shape memory alloy coatings (300?500 µm) were produced on graphite and AISI 304 substrates by radio frequency inductively-coupled plasma spray technology (RF-ICP) from feedstock NiTi powders. Their microstructure as well as chemical and phase ...
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Hao-Long Chen, Hung-Rung Shih, Sean Wu, Yee-Shin Chang
Pág. 191 - 198
The objective of this paper is to enhance the emission intensity of La0.97Pr0.03VO4 single-phased white light emitting phosphor. The Bi3+ ion-doped La0.97Pr0.03VO4 single-phased white light emitting phosphors are synthesized using a sol-gel method. The s...
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Mykola Raransky,Alla Oliinych-Lysiuk,Roman Tashchuk,Mykhailo Unhurian
Pág. 6 - 13
This paper reports the analysis of patterns and mechanisms that form the characteristic surfaces of the Young modulus, the angular distributions of Poisson coefficients, and the pointing surfaces of auxeticity of single crystals in cubic, hexagonal, tetr...
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Pavel Ctibor
Strontium zirconate (SrZrO3) commercial powder was plasma sprayed using a high-feedrate water-stabilized plasma system (WSP) torch. Coatings with a thickness of about 1 mm were produced. Now, we are concentrating on a topic never addressed for pure SrZrO...
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Li-Chun Chang, Bo-Wei Liu and Yung-I Chen
Monolithic Hf–Si–N coatings and multilayered Hf–Si–N coatings with cyclical gradient concentration were fabricated using reactive direct current magnetron cosputtering. The structure of the Hf–Si–N coatings varied from...
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Ningning Hu, Matiullah Khan, Yongzhe Wang, Xuemei Song, Chucheng Lin, Chengkang Chang and Yi Zeng
In this paper, the effect of microstructure on the thermal conductivity of plasma-sprayed Y2O3 stabilized ZrO2 (YSZ) thermal barrier coatings (TBCs) is investigated. Nine freestanding samples deposited on aluminum alloys are studied. Cross-section morpho...
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Rudzani A Sigwadi, Sipho E Mavundla, Nosipho Moloto, Touhami Mokrani
Zirconia nanoparticles were prepared by the precipitation and ageing methods. The precipitation method was performed by adding ammonium solution to the aqueous solution of zirconium chloride at room temperature. The ageing method was performed by leaving...
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