Results 31 to 40 of about 1,743 (188)

Chromite and Its Thin Kosmochlor and Cr-Omphacite Cortex in Amphibolite from the Myanmar Jadeite Deposits

open access: yesCrystals
Chromite in the amphibolites of the Myanmar jadeite deposits has not been well studied. Mineralogical studies on chromite and related kosmochlor and Cr-omphacite in the amphibolite of the Myanmar jadeite deposits were conducted.
Yu Zhang, Guanghai Shi, Jiabao Wen
doaj   +1 more source

Novel preparation of highly photocatalytically active copper chromite nanostructured material via a simple hydrothermal route. [PDF]

open access: yesPLoS ONE, 2017
Highly photocatalytically active copper chromite nanostructured material were prepared via a novel simple hydrothermal reaction between [Cu(en)2(H2O)2]Cl2 and [Cr(en)3]Cl3.3H2O at low temperature, without adding any pH regulator or external capping agent.
Farshad Beshkar   +3 more
doaj   +1 more source

Rate and Mechanism of Reduction-Dissolution of Chromite in Liquid Slags

open access: yesHigh Temperature Materials and Processes, 2013
The dissolution of chromite from the Bushveld Complex of South Africa in liquid slags was studied in the temperature range 1550° to 1665°C under argon gas. The slag compositions were similar to those of ferrochromium production and stainless steel making.
Demir Orhan, Eric Rauf Hurman
doaj   +1 more source

Effect of Temperature on Chromite-Based Moulding Sands Bonded with Sodium Silicate

open access: yesArchives of Foundry Engineering, 2017
In the paper, a research on effects of baking temperature on chromite sand base of moulding sands bonded with sodium silicate is presented. Pure chromite sand and its chromite-based moulding sand prepared with use of sodium silicate were subjected to ...
Stachowicz M.   +3 more
doaj   +1 more source

Pulsed Laser‐Assisted Phase Engineering of Multimetallic Colloidal Nanocrystals With Complex Compositions

open access: yesAdvanced Materials, EarlyView.
The engineering of colloidal nanocrystals with complex compositions has emerged as a highly active area of research within nanomaterials science. This review covers key aspects of colloidal solid‐solution nanocrystal formation using pulsed laser irradiation.
Marina T. Candela   +4 more
wiley   +1 more source

Test on Comprehensive Recovery of Chromium from a Foreign Nickel-cobalt Ore

open access: yesKuangchan zonghe liyong
A foreign nickel-cobalt ore contains 1.10% nickel and 0.11% cobalt, which mainly exists in cryptocrystalline clay minerals in the form of ion adsorption.
Deyong MENG, Aihui SUN, Jianjian ZOU
doaj   +1 more source

Studies on genesis of chromite and PGE in Naein ophiolite melange

open access: yesJournal of Economic Geology, 2012
Nain ophiolite melange is located 140 Km east of Isfahan. Based on the geological studies, this area belongs to Mesozoic ophiolite of Urumieh – Dokhtar zone, west of central Iran. Country rocks are pridotite and serpentinized pridotite.
Reza Shamsipour Dehkordi   +2 more
doaj   +1 more source

An investigation into the co-sintering process of limonitic nickel laterite and low-grade chromite via multi-force fields

open access: yesJournal of Materials Research and Technology, 2021
This study is aimed to obtain better-quality Ni–Cr composite sinter for the production of 300 series stainless steel via the sintering-blast furnace process at lower cost.
Yuxiao Xue   +8 more
doaj   +1 more source

Emerging Materials and Future Strategies for Solid Oxide Electrochemical Cells

open access: yesAdvanced Energy Materials, EarlyView.
Solid oxide electrochemical cells operate under strongly coupled electrochemical and thermodynamic conditions, where performance is constrained by interactions among crystal structure, defect chemistry, and interfacial evolution. This review, based on a structure‐defect‐property‐durability framework, reveals the roles of lattice symmetry and defect ...
Qiuchun Lu   +4 more
wiley   +1 more source

Chromite. Processing and Applications

open access: yesThe Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2019
In the paper are shown the history, processing and applications of chromite. Chromite is an oxide of iron and chromium with the chemical composition FeO.Cr2O3 and belonging to the spinel group.
Marius VASILESCU, Mircea DOBRESCU
doaj   +1 more source

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