Results 41 to 50 of about 31,354 (260)

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

Archives 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., Kamiński M., Granat K., Pałyga Ł.   +3 more
doaj   +1 more source

Origin and evolution of Neoproterozoic metaophiolitic mantle rocks from the eastern Desert of Egypt: Implications for tectonic and metamorphic events in the Arabian-Nubian Shield

Geologica Acta, 2023
The mantle rocks from Kadaboura and Madara areas represent sections of dismembered ophiolitic complexes developed during the Neoproterozoic in the Eastern Desert of Egypt, which is located in the northwestern corner of the Arabian–Nubian Shield.
Shehata Ali, Mokhles Azer, Abdel-Aal Abdel-Karim   +2 more
doaj   +1 more source

Nitride tuning of lanthanide chromites [PDF]

Chemical Communications, 2016
LnCrO3−xNx compounds with Ln = La, Pr and Nd represent one of the few examples of chromium oxynitrides and the first chromium oxynitride perovskites. Hole-doping of LnCrO3 through O2−/N3− anion substitution suppresses the antiferromagnetic transition far less drastically than cation substitutions.
Black, Ashley P, Johnston, Hannah E, Oró-Solé, Judith, Bozzo, Bernat, Ritter, Clemens, Frontera, Carlos, Attfield, J Paul, Fuertes, Amparo   +7 more
openaire   +2 more sources

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

Kuangchan 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

Journal 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, Maryan Sadeghi, Zohreh Gholami Fesharaki   +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

Journal 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, Deqing Zhu, Jian Pan, Zhengqi Guo, Congcong Yang, Hongyu Tian, Qingzhou Huang, Liaoting Pan, Xuezhong Huang   +8 more
doaj   +1 more source

Chromite chemistry in SNC meteorites [PDF]

, 2001
We present the results of new EPMA studies of chromite in primitive basaltic shergottites (SAU005, EETA7001A, DAG476) and ALH84001 and Chassigny.
Bridges, John, Grady, Monica
core  

A neoproterozoic age for the chromitite and gabbro of the Tapo Ultramafic Massif, Eastern Cordillera, Central Peru, and its tectonic implications [PDF]

, 2011
The ultramafic-mafic rocks of the Tapo Complex are exposed in the Eastern Cordillera of the Central Peruvian Andes. This complex is composed of serpentinised peridotites and metabasites with some podiform chromitite lenses and chromite disseminations and
Amaral, Baldo, Castroviejo, Castroviejo, Cawood, Chew, Colombo C.G. Tassinari, Dalmayrac, Dalziel, Eurico Pereira, Fuck, Irvine, Jorge Acosta, Jose F. Rodrigues, Le Maitre, Ludwig, Megard, Palme, Pearce, Pedrosa-Soares, Ramos, Ramos, Ramos, Ricardo Castroviejo, Sato, Steiger   +25 more
core   +3 more sources

Understanding the Dynamics of Nanoparticle Formation and Evolution in Functional Oxides via In Situ SAXS/WAXS

Advanced Materials Interfaces, EarlyView.
In situ SAXS/WAXS enables real‐time tracking of nanoparticle formation and evolution in exsolved and infiltrated Ni‐based perovskites under reducing conditions. The combined technique captures nucleation, growth, and coarsening dynamics with high temporal resolution, providing statistically robust insights into structural and morphological ...
Elena Vicente, Sylvio Haas, Jose Manuel Serra, María Balaguer, Cecilia Solís   +4 more
wiley   +1 more source

Circular Potential of Lithium‐Ion Battery Recycling Slags: Quantifying Microstructure and Elemental Distribution for a Holistic Valorization

Advanced Science, EarlyView.
A lithium‐bearing slag is investigated with the goal of holistic valorization. The present β‐eucryptite (LiAlSiO4) exhibits a high lithium content and low levels of impurities. The spinel contains most of the chromium and vanadium, representing additional valorization opportunities.
Peter Cornelius Gantz, Charlize Alexia Senkyr, Rüdiger Kilian, Andreas Neumann, Maximilian Korges, Daniel A. Frick, Hans Roggendorf, Ralf Wehrspohn, Stefan Stöber, Christiane Stephan‐Scherb   +9 more
wiley   +1 more source