Showing 21 - 40 results of 50 for search '"niobium"', query time: 0.06s Refine Results
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    Multiple Assessments on the Gamma-Ray Protection Properties of Niobium-Doped Borotellurite Glasses: A Wide Range Investigation Using Monte Carlo Simulations by H. O. Tekin, Fatema T. Ali, Ghada Almisned, Gulfem Susoy, Shams A. M. Issa, Antoaneta Ene, Wiam Elshami, Hesham M. H. Zakaly

    Published 2022-01-01
    “…In this study, the monotonic effect of Ta2O5 and ZrO2 in some selected borotellurite glasses was investigated in terms of their impact on gamma-ray-shielding competencies. Accordingly, three niobium-reinforced borotellurite glasses (S1 : 75TeO2 + 15B2O3 + 10Nb2O5, S2 : 75TeO2 + 15B2O3 + 9Nb2O5 + 1Ta2O5, and S3 : 75TeO2 + 15B2O3 + 8Nb2O5 + 1Ta2O5 + 1ZrO2) were modelled in the general-purpose MCNPX Monte Carlo code. …”
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  4. 24

    Influence of Planetary Ball Mill Parameters on Powder Flowability of AlSi10Mg with Niobium Carbide Using Central Composite Design (CCD) by Raj Mohan R, Venkatraman R, Raghuraman S, Manoj Kumar P, Rajneesh Sharma, null Ankit, Atul Sarojwal, Rajkumar S

    Published 2022-01-01
    “…Besides, transition metal carbide, such as niobium carbide (NbC), is added to the AlSi10Mg, enhancing its mechanical properties and preferably its wear resistance to the matrix. …”
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    In-situ restructuring of Ni-based metal organic frameworks for photocatalytic CO2 hydrogenation by Abdelaziz Gouda, Karen Hannouche, Abhinav Mohan, Chengliang Mao, Ehsan Nikbin, Alexandre Carrière, Jessica Ye, Jane Y. Howe, Mohini Sain, Mohamad Hmadeh, Geoffrey A. Ozin

    Published 2025-01-01
    “…Herein, we report the photo-methanation activity of three isostructural, nickel-based metal organic frameworks incorporating additional niobium, iron, and aluminum sites, having demonstrated exceptional CO2 capture abilities from thin air in previous reports. …”
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  12. 32

    Phase Transition and Optical Properties for Ultrathin KNbO3 Nanowires by Shulin Yang, Yongming Hu, Shengfu Wang, Haoshuang Gu, Yu Wang

    Published 2013-01-01
    “…Photoluminescence study at room temperature reveals two visible light emission bands peaking at ~551 and 597 nm, respectively, which may be due to the oxygen vacancies, site niobium (occupy the location of Nb), and antisite niobium (occupy the location of K) in KNbO3 nanowires.…”
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  13. 33

    New high-speed steel for the cast metal-cutting tool by A. S. Chaus, М. Zhitnanski

    Published 2002-05-01
    “…There are also shown the structure and phase composition of cast carburized R6M5-based high-speed steel additionally alloyed with vanadium, titanium and niobium. There are discussed the results of microstructural analysis and mechanical tests of the cast high-speed steel in which tungsten is substituted by chromium.…”
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  14. 34

    Enhanced Electrochemical Performance of Dual-Ion Batteries with T-Nb<sub>2</sub>O<sub>5</sub>/Nitrogen-Doped Three-Dimensional Porous Carbon Composites by Chen Qi, Duo Ying, Cheng Ma, Wenming Qiao, Jitong Wang, Licheng Ling

    Published 2025-01-01
    “…Niobium pentoxide (T-Nb<sub>2</sub>O<sub>5</sub>) is a promising anode material for dual-ion batteries due to its high lithium capacity and fast ion storage and release mechanism. …”
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    Influence of Titanium Alloy Scaffolds on Enzymatic Defense against Oxidative Stress and Bone Marrow Cell Differentiation by Lais Morandini Rodrigues, Elis Andrade Lima Zutin, Elisa Mattias Sartori, Daniela Baccelli Silveira Mendonça, Gustavo Mendonça, Yasmin Rodarte Carvalho, Luana Marotta Reis de Vasconcellos

    Published 2020-01-01
    “…The objective of this study was to evaluate the activity of the antioxidant enzymes superoxide dismutase (SOD) and catalase (CAT) in porous scaffolds of Ti-6 Aluminium-4 Vanadium (TiAlV), Ti-35 Niobium (TiNb), and Ti-35 Niobium-7 Zirconium-5 Tantalum (TiNbZrTa) on mouse bone marrow stromal cells. …”
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    Near crack free additive manufacturing of a novel W-Nb-C alloy by Prithvi D. Awasthi, Abhijeet Dhal, Fredrick N. Michael, Rajiv S. Mishra

    Published 2025-01-01
    “…Computational alloy design evaluated niobium (Nb) and carbon (C) to activate eutectic solidification, addressing the cracking issues during the terminal stage of solidification. …”
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    Chronological Levels of As, Pd, V, and Sr in 356-year-old Pinus nigra Annual Rings in Northern Türkiye by İsmail Koç

    Published 2025-01-01
    “…Additionally, these metals exhibited robust positive correlations with other toxic elements (tin, antimony, niobium, silver, thallium, selenium, and lead), suggesting that P. nigra could serve as an indicator of regions with multiple heavy metal pollutants. …”
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    Surface Characterization of Stainless Steel 316L Coated with Various Nanoparticle Types by Dhiaa J. Aldabagh, Thair L. Alzubaydi, Akram F. Alhuwaizi

    Published 2023-01-01
    “…The present study aimed to characterize the nanocoating of highly pure (99.9%) niobium (Nb), tantalum (Ta), and vanadium (V) deposited on 316L stainless steel (SS) substrates which considered the most widely used alloys in the manufacturing of SS orthodontic components. …”
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    Mineração no Roteiro da Missão Cruls: ressignificação da fronteira no Planalto Central do Brasil by Adriano Gonçalves da Silva, Rita de Cássia Martins de Souza

    Published 2018-04-01
    “…Strategic minerals present in the area such as gold, copper, niobium, nickel and zinc, are used on the new technologies developed and highlighted in the global scenario for a fabrication of indispensable materials in modern society. …”
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    Design and Simulation of an Antenna-Coupled Microbolometer at 30 THz by Angel Colin, Eduardo Pérez-Tijerina, Francisco Solis-Pomar

    Published 2017-01-01
    “…The microbolometer is modeled with superconducting niobium, all together on a silicon nitride membrane. …”
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