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Vanadium is a white metal that possesses good resistance to corrosion by alkalis, sulfuric acid, and hydrochloric acid. Vanadium occurs in approximately sixty-five different minerals and in carbon deposits such as crude oil, coal, oil shale, and tar sands, but is never found unbound in nature. Because vanadium has substantial component strength ...
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pedic implants are cp-Ti and Ti6Al4V, a titanium alloy containing approximately 90% titanium, 6% aluminum, and 4% vanadium. Similar to cp-Ti, titanium alloys also can contain impurities such as aluminum, beryllium, cobalt, chromium, iron, nickel, and palladium, among many others. Although these impurities often are considered negligible …
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The two-dimensional titanium carbide MXene (Ti 3 C 2 T x) acts as a promising pseudocapacitive material for supercapacitor electrodes.In this paper, the properties of vanadium-doped titanium carbide MXene (Ti 3 C 2 T x) are tuned using a simple hydrothermal method to intercalate the alkali metal adsorbates (K +) into the …
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Nowadays titanium is manufactured by the Kroll process. First you heat titanium dioxide with carbon to about 1000 degrees C and pass chlorine over it. This makes TiCl4. People call that "Tickle". Then you cover the Tickle with an argon blanket and react with hot magnesium [at 850 degrees C] to get the metallic element.
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Vanadium has been used together with aluminum to give the required strength in titanium alloys used in jet engines and high-speed airframes. Subscribe to receive an email notification when a new publication is added to this page. On the Questions tab of the subscriber preferences page, select "Vanadium" and any other options in which you may …
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Titanium valences were obtained using the energy and intensity of the 1s → 3d pre-edge peak (Simon et al., 2008, Simon et al., 2016).The approach is based on the expectation that Ti (Ti 3+, Ti 4+) will occur either in octahedral or tetrahedral coordination in the silicates of interest. Farges et al. (1997) showed that tetrahedral Ti 4+ XANES …
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A novel process for the extraction of iron, titanium, vanadium, and chromium from high-chromium vanadium-bearing titanomagnetite concentrates is proposed. This process involves several steps: partial reduction of the concentrates, magnetic separation, hydrochloric acid leaching of the titanium-bearing tailing, and alkaline desilication of the …
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We carry out first principles computations to understand mechanisms of oxygen accommodation on titanium surfaces doped with aluminum and vanadium. Our findings provide explanation in an atomistic level on why titanium alloys such as Ti-6Al-4 V (6 wt. % Al, 4 wt. % V, balance Ti) have a better oxidation resistance than commercially …
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Thallium, Titanium, Vanadium, and Zinc: Molecular Aspects in Experimental Liver Injury Rolf Teschke Department of Internal Medicine II, Division of Gastroenterology and Hepatology, Klinikum Hanau, Academic Teaching Hospital of the Medical Faculty, Goethe University Frankfurt, 63450 Hanau, Germany;
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The alloying elements added to titanium are largely divided into alphas (α) stabilizers, such as aluminum, oxygen, nitrogen, and carbon, and betas (β) stabilizers, such as vanadium, iron, nickel, and cobalt. Therefore, dental titanium alloys exist in three structural forms: α, β, or a combination of the two (α-β) .
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Titanium-vanadium alloys had substantially greater tensile and creep strength than any of the titanium-niobium and titanium-molybdenum alloys tested. The specific ten-sile strengths of Ti-50V-(3 to 5)Al-(1 to 2)Si alloys were-equivalent to those of commer- cial titanium alloys at 230 C and superior to those of commercial titanium alloys in the ...
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1. Introduction. The Hongge mineral deposit in the Panzhihua–Xichang region is the biggest vanadium-bearing titanomagnetite deposit in China, with titanomagnetite reserves of 3.55 billion tons.It is a giant iron-polymetallic deposit containing titanium, vanadium, chromium, and other valuable elements (Chen et al., 2011).At present, the …
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Abstract—The properties, application, and methods for producing titanium and vanadium carbides are considered. These carbides are oxygen-free refractory metal-like compounds. As a result, they are characterized by high values of thermal and electrical conductivity. Their hardness is relatively high. Titanium and vanadium carbides exhibit …
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Titanium metal and alloy are key materials for technological development, which significantly promote the development of the hightech economy in China. The consumption of high-end titanium materials and the developmental level of the titanium industry are important indexes of a country's comprehensive power. However, at present, …
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Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency utilization of titanium resources. Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation …
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Diffusion coefficients for 44 Ti and 48 V in titanium-vanadium alloys were determined at 10wt.% increments in the temperature range of 900°C to within about 50°C of the melting points. The data are adequately described by continuously curved …
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They reported that a vanadium‑titanium magnetite concentrate containing 1.14% V 2 O 5, 22.22% TiO 2, 42.51% Fe, and a concentrate of ilmenite containing 16.05% TiO 2 and 20.77% Fe were obtained according to the different magnetic intensities in the range of 0.4–0.8 T. However, because there is no explanation for the vanadium recovery ...
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In this work, titanium/vanadium (Ti/V) Ziegler–Natta hybrid catalyst was synthesized by loading TiCl 4 and VOCl 3 on MgCl 2 support formed by the Grignard reagent method. The effects of vanadium content on the catalyst activity, and introducing different types of alkyl aluminums (triethylaluminum (TEA) and trioctylaluminium (TnOA)) …
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Vanadium. Resource figures are current as at 31 December 2017. Vanadium (V) is a soft, ductile, silver-grey metal that is primarily used with iron to make metal alloys for high-strength steel production. High-strength steel has a wide range of applications, including for gas and oil pipelines, tool steel, jet engines, the manufacture of …
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Titanium. Titanium has a good record of being used successfully as an implant material and this success with titanium implants is credited to its excellent biocompatibility due to the formation of stable oxide layer on its surface[21,22]. The commercially pure titanium (cpTi) is classified into 4 grades which differ in their oxygen …
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