Zhang Jun et al. [12,13,14,15,16,17,18] adopted the sodium-reduction method to treat vanadium-titanium magnetite, aiming to reduce the melting …
اقرأ المزيد
A thin layer of vanadium is used to bond titanium to steel, making it ideal for aerospace applications. Mixing titanium with vanadium and iron strengthens and adds durability to turbines that spin ...
اقرأ المزيد
VanadiumCorp management has assessed the supply and demand outlook for vanadium to the years 2030 and 2050. We see a strong case for advancing the Lac Doré vanadium-titanium-iron mining project and, in parallel, developing a value-added manufacturing capacity for vanadium electrolytes. Concurrent advancement will …
اقرأ المزيد
Personal interview, dermatological examination and patch testing with 0.5% potassium dichromate, 1.0% cobalt chloride, 5.0% nickel sulfate, 2.0% copper sulfate, 2.0% palladium chloride, aluminum, 1% vanadium chloride, 5% vanadium, 10% titanium oxide, 5% molybdenum and 1% ammonium molybdate tetrahydrate were performed.
اقرأ المزيد
Here, a process for leaching vanadium from calcified roasting pellets (CPVC) of vanadium–titanium-iron concentrate by a two-stage sulfuric acid cycle was proposed.
اقرأ المزيد
The original gauge length chosen for testing shall be reported with the test results. b t is the thickness of the sheet or strip. caximum diameter or thickness is equal to 75M mm. NOTE For information on the Mechanical Properties Harmonization between ISO and ASTM wrought titanium 6-aluminium 4-vanadium Implant Material Standards, see Annex B.
اقرأ المزيد
Polymerizations of 1-octene were carried out in the presence of vanadium and titanium complexes bearing salen-type or phenoxyimine ligands activated with various co-catalysts. Vanadium complexes turned out active only in conjunction with MAO, whereas the titanium ones were active in combination with Al(i-Bu)3/Ph3CB(C6F5)4. The activity …
اقرأ المزيد
In the present study, a first approach on the dissimilar welding of titanium-vanadium is reported from the parametric point of view, where a systematic method …
اقرأ المزيد
A large number of unexploited low-grade vanadium-titanium magnetite deposits have been found in the Chao-yang area of China in recent years. The reserves are estimated at more than 20 billion tons. A mineralogical study of raw sample indicated that it was a typical low-grade vanadium-titanium magnetite ore with weathering. Most of …
اقرأ المزيد
Titanium materials are mainly alloyed with aluminum and vanadium. Vanadium and niobium have also showed to induce the release of inflammatory mediators; other alloy components may also be involved in the inflammatory response of titanium alloy corrosion . Therefore, it is necessary to consider the influence of particles due to …
اقرأ المزيد
Barrambie Titanium and Vanadium Project ("Barrambie") ( NMT) "Commercial smelting trials on mixed gravity concentrates successfully completed in China with leading chloride-grade titanium ...
اقرأ المزيد
vanadium–titanium magnetite by COREX. S&M test is the most important method to study the S&M behavior of burden in the cohesive zone.[17] At present, there is no report on the S&M test of vanadium–titanium magnetite under COREX condi-tions, but many studies have been done on the S&M behavior of V–Ti bearing burden under blast furnace ...
اقرأ المزيد
In the formula: LV —vanadium element distribution ratio, cs (V)—vanadium grade in titanium slag, %; cm (V)—Vanadium grade in hot metal, %. The slag phase …
اقرأ المزيد
Ti in vanadium titanomagnetite concentrate is converted into Na 2 TiO 3 at below 1150°С and then forms CaTiO 3 by reduction as temperature increases to about …
اقرأ المزيد
In view of the problem that the enrichment and migration law of the Ti element in the slag of vanadium-titanium magnetite during the melting process is not …
اقرأ المزيد
Scope. 1.1 This specification 2 covers annealed titanium and titanium alloy bars and billets as follows: 1.1.1 Grade 1— UNS R50250. Unalloyed titanium, 1.1.2 Grade 2— UNS R50400. Unalloyed titanium, 1.1.2.1 Grade 2H— UNS R50400. Unalloyed titanium (Grade 2 with 58 ksi [400 MPa] minimum UTS), 1.1.3 Grade 3— UNS R50550.
اقرأ المزيد
An attempt has been made to fill the knowledge gap insmelting vanadium–titanium magnetite by COREXprocess to examine the S&M behavior of mixed burdenunder …
اقرأ المزيد
Another objective of the programme was to obtain samples for geochemical analysis to test some historically high vanadium (1.7% V 2 O 5) and titanium ... The project's iron-titanium-vanadium resources …
اقرأ المزيد
Artificial rich ore for blast furnace use can be produced by sintering ultra-poor vanadium-titanium magnetite (PVTM) with a high-grade iron concentrate. Here, acid (R = 0.33, 0.50), self-fluxing (R = 1.10), and high-basicity (R = 2.60) PVTM sinters were produced in a sinter pot. Their performances were determined using the comprehensive …
اقرأ المزيد
The slag ing caused by Ti(C,N) is the main limitation of smelting vanadium–titanium magnetite by blast furnace. COREX, with unique pure oxygen injection that avoids the formation of Ti(C,N), has a huge potential advantage for the smelting of vanadium–titanium magnetite. In the present study, the detailed characterization was …
اقرأ المزيد
Vanadium-steel alloys are very tough and are used for armour plate, axles, tools, piston rods and crankshafts. Less than 1% of vanadium, and as little chromium, makes steel shock resistant and vibration resistant. ... Vanadium is the fifth most abundant transition metal in the earth's crust, often found with titanium and iron in their ores, and ...
اقرأ المزيد
Print & Full Archive Subscription This digital issue plus 12 new issues (in print, digital and tablet formats) plus archive access to 1845. $99.00. Add to Cart. More in the January 25, …
اقرأ المزيد
The spark testing of steel is a useful method for identifying the type of steel. It has capabilities of determining the relative carbon content of the steels. Spark test is a simple identification test which is used to observe the colour, spacing, quantity, and quality of sparks produced by grinding of steel sample.
اقرأ المزيد
Titanium is a transition metal that is able to form solid solutions with elements with similarly sized atoms. In the solid state, it has hexagonal close packed geometry up to 882.5 C, known as the structure. Above this temperature, solid titanium changes to a body centred cubic form known as the structure, until it melts at 1688 C …
اقرأ المزيد
According to the American Society for Testing and Materials (ASTM), there are six distinct types of titanium available as implant biomaterials. ... 7Nb and Ti-5Al-2.5Fe, have been developed as implant materials because of toxicity concerns with vanadium. Furthermore, vanadium- and aluminium-free titanium alloys composed of non-toxic …
اقرأ المزيد
In the experiment, the vanadium-titanium magnetite concentrate powder, 5% coke and 3% bentonite were mixed evenly by a direct reduction and pellet melting …
اقرأ المزيد
Vanadium 100 10 1 Copper 3000 300 30 a See Speciation section. Options for Demonstrating Compliance ... then further testing may not be needed. When testing is done to demonstrate compliance, proceed as directed in Elemental Impurities—Procedures á233ñ and minimally include arsenic, cadmium, lead, and mercury in the Target …
اقرأ المزيد
J M Liu et al., "Research of ing Slag Formation Mechanism and Influencing Factors for Ti-containing Slag in Blast Furnace," Iron Steel Vanadium Titanium, 02(1991), 33–39. Google Scholar B.M. Qi, "Relation between Structure and Character of Molten Slag in Blast Furnace," Iron Steel Vanadium Titanium, 01(1984), 21–26.
اقرأ المزيد
After the wet leaching of vanadium, a titanium-rich material was further obtained [22,23]. Zhao Longsheng et al. used the rotary kiln pre-reduction-electric furnace method to treat vanadium-titanium magnetite, separated iron, vanadium and titanium efficiently, and enriched titanium into slag efficiently [24–26].
اقرأ المزيد
The vanadium-iron-titanium deposit discovered by TNG in 2008 is located within the Neoproterozoic sediments of the Georgina Basin. The ore body is hosted by a differentiated basic sill with minor ultrabasic layers. ... (CSIRO) in January 2013 to conduct metallurgical test work, including a definitive pilot plant trial for the vanadium-iron ...
اقرأ المزيد
It is a hard, ductile transition metal that is primarily used as a steel additive and in alloys such as Titanium-6AL-4V, which is composed of titanium, aluminum, and vanadium and is the most common titanium alloy commercially produced. Vanadium is found in fossil fuel deposits and 65 different minerals. Vanadium is not found free in nature ...
اقرأ المزيد
To improve the permeability of sinter packed bed for achieving the efficient utilization of low-grade iron bearing minerals, the effect of the returned fines embedding on productivity, yield, flame front speed (FFS) in the vanadium titanium magnetite (VTM) sintering process, tumble index (TI) of sinter, and permeability of the sinter packed bed …
اقرأ المزيد
This work studied the effect of B2O3 (analytical reagent) on the parameters of a sintering pot test, as well as the metallurgical properties and microstructure of the sinter samples, to determine the feasibility of applying solid waste containing B2O3 in vanadium–titanium sintering. The results show that along with B2O3 addition, the …
اقرأ المزيد
SGS Lakefield recently completed a series of pilot tests for the Lac Don.~ iron-titanium vanadium deposit in Quebec, thus they are experienced with vanadium ore handling. These vanadium values at Papineau at surface are higher than the average reserve grade at Lac Don.~. Conclnsions and Recommendations 3
اقرأ المزيد
The flow-sheet for the pre-concentration of lo w-grade vanadium-titanium magnetite ore (Figure. 8) shows that the grade of V 2O5, TiO2 and Fe in the waste ore is only 0.022%, 0.40% and 5.19% ...
اقرأ المزيد
The titanium alloys that offer properties worthy of consideration for fusion reactors are Ti-6Al-4V, Ti-6Al-2Sn-4Zr-2Mo-Si (Ti-6242S) and Ti-5Al-6Sn-2Zr-1Mo-Si (Ti-5621S). The Ti-6242S and Ti-5621S are being considered because of their high creep resistance at elevated temperatures of 500/sup 0/C. Also, irradiation tests on these alloys have ...
اقرأ المزيد