Results 111 to 120 of about 6,681 (230)

A Comparative Study about Production of Va nadium Carbide via Self Propagating High Temperature Synthesis and Reduction [PDF]

open access: yesArchives of Metallurgy and Materials
Vanadium carbide is important for industrial applications because of its high hardness, high temperature resistance, high chemical, and thermal stability.
Mehmet Bugdayci   +4 more
doaj   +1 more source

Porous SiC and SiC/Cf Ceramic Microspheres Derived from Polyhydromethylsiloxane by Carbothermal Reduction. [PDF]

open access: yesMaterials (Basel), 2021
Mizerska U   +6 more
europepmc   +1 more source

NASA Space Engineering Research Center for Utilization of Local Planetary Resources [PDF]

open access: yes
Progress toward the goal of exploiting extraterrestrial resources for space missions is documented. Some areas of research included are as follows: Propellant and propulsion optimization; Automation of propellant processing with quantitative simulation ...
Lewis, John S., Ramohalli, Kumar
core   +1 more source

Carbothermic reduction of complex sulphides

open access: yes, 1990
Imperial Users ...
Igiehon, Uwagboe Osamede   +1 more
openaire   +1 more source

Effect of nitrogen gas pressure during heat treatment on the morphology of silicon nitride fibers synthesized by carbothermal nitridation

open access: yesJournal of Asian Ceramic Societies, 2018
The effects of N2 gas pressure on the diameter and morphology of Si3N4 fibers obtained via carbothermal nitridation were investigated. Sol–gel-derived precursors containing a silica and carbon mixture were placed in an Al2O3 crucible and heat-treated ...
Sotaro Baba   +3 more
doaj   +1 more source

Synthesis of tungsten carbide nanopowder by a one-step carbothermal reduction-carbonization method

open access: yesJournal of Materials Research and Technology
Tungsten carbide (WC) nanopowder is crucial for preparing high-performance WC-Co cemented carbides, but the synthesis of WC nanopowder still remains huge challenges.
Kuokuo Bao   +3 more
doaj   +1 more source

An annotated bibliography of propellant processing methods [PDF]

open access: yes
The author has specialized in space resources research for many years, with special emphasis on oxygen reduction methods. He has been retained to write a comprehensive review of these methods, detailing advantages and disadvantages, listing by-products ...
Cutler, A. H.
core   +1 more source

Phase Development in Carbothermal Reduction and Nitridation of Ilmenite Concentrates

open access: yesHigh Temperature Materials and Processes, 2012
The phase development in the course of carbothermal reduction and nitridation of ilmentie concentrates and synthetic rutile was studied in temperature programmed reduction (623–1873 K) and isothermal reduction experiments.
Rezan Sheikh A.   +2 more
doaj   +1 more source

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