Ultrafast carbothermal reduction of silica to silicon using a CO2 laser beam [PDF]
Scientific Reports, 2020 We report the extraction of silicon via a carbothermal reduction process using a CO2 laser beam as a heat source. The surface of a mixture of silica and carbon black powder became brown after laser beam irradiation for a few tens of seconds, and clear ...
Seok-Ho Maeng +5 more
doaj +2 more sources
Carbothermal reduction of fayalite: Thermodynamic and non-isothermal kinetic analysis [PDF]
Journal of Mining and Metallurgy. Section B: Metallurgy, 2022 The present paper investigated the thermodynamics and kinetics of carbothermal reduction of fayalite by non-isothermal method combining with thermogravimetric analyzer and applying the Flynn-Wall-Ozawa (FWO) and Málek models.
Li Z. +4 more
doaj +1 more source
SiC synthesis using natural Mg-silicates [PDF]
Science of Sintering, 2012 The silicon carbide powders are prepared by carbothermal reduction of domestic mineral resources (white and brown sepiolite), at relatively low temperatures (1200 - 1600oC).
Devečerski A. +5 more
doaj +1 more source
Journal of Materials Research and Technology, 2022 In this work, a clean microwave carbothermal reduction of Sb2O3 mineral to prepare metallic antimony ingot is proposed. Response surface methodology was used to optimize condition for microwave carbothermal reduction of Sb2O3.
Zhu Xiongjin +5 more
doaj +1 more source
Effect of different carbon sources on vacuum carbothermal reduction of low-grade phosphorus ore [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2022 In this study, the effect of different carbon sources on the carbothermal reduction of low-grade phosphate ore were examined using FactSage 7.2 calculations and vacuum reduction experiments.
He Xuan, Huang Run
doaj +1 more source
Carbothermic Reduction of Thorium Oxide [PDF]
Journal of Nuclear Science and Technology, 1972 The carbothermic reduction in vacuum of thorium oxide with graphite has been studied with the aid of a high temperature thermobalance at temperatures range of 1,300°–1,900°C. The effects of differences in the reaction temperature, molecular ratio of the reactants, and in the state of the reactants such as differences between loose powder mixture and ...
Masayoshi KANNO +4 more
openaire +1 more source
Production of Si3N4 porous beads via carbothermal reduction and nitridation technique
Journal of Asian Ceramic Societies, 2020 Si3N4 porous beads were produced from direct carbothermal reduction and nitridation of spheres composed of carbon+SiO2 mixtures. A simple one–step sol–gel templating technique was used to prepare carbon+SiO2 (molar ratio of carbon/SiO2 was set as 4 ...
Gülsüm Topateş, Ayse Kalemtaş
doaj +1 more source
Researching of physicochemical and structural-phase transformations in carbothermal titanomagnetite concentrates reduction for sustainable development of raw materials base of metallurgical enterprises [PDF]
E3S Web of Conferences, 2020 This study displays results of carbothermal reduction researches of titanоmagnetite concentrate obtained during complex apatite-titanomagnetite-ilmenite ore dressing.
Baboshko Dmytro +4 more
doaj +1 more source
Optimal preparation of high-entropy boride-silicon carbide ceramics
Journal of Advanced Ceramics, 2020 High-entropy boride-silicon carbide (HEB-SiC) ceramics were fabricated using boride-based powders prepared from borothermal and boro/carbothermal reduction methods.
Yan Zhang +5 more
doaj +1 more source
Tin-functionalized silicon oxycarbide as a stable, high-capacity anode material for Na-ion batteries
Open Ceramics, 2023 In this study tin-functionalized silicon oxycarbide, Sn/SiOC, composite anode materials are synthesized using a carbon-rich polysiloxane as the preceramic polymer and nano-sized SnO2, which converts to metallic tin via carbothermal reduction at ...
Alexander Kempf +4 more
doaj +1 more source