Carburization of Austenitic and Ferritic Steels in Carbon-Saturated Sodium: Preliminary Results on the Diffusion Coefficient of Carbon at 873 K
Sign Up to like & getrecommendations! Published in 2017 at "Oxidation of Metals"
DOI: 10.1007/s11085-017-9733-5
Abstract: Three commercial steels were exposed to carbon-saturated sodium at 873 K for durations up to 5000 h. Analyses by optical microscopy, infrared-inductive carbon combustion, electron probe microanalysis and glow discharge optical emission spectrometry revealed important carburization of… read more here.
Keywords: carburization austenitic; carbon; carburization; steels carbon ... See more keywords
Corrosion and Carburization Behavior of Heat-Resistant Steels in a High-Temperature Supercritical Carbon Dioxide Environment
Sign Up to like & getrecommendations! Published in 2019 at "Oxidation of Metals"
DOI: 10.1007/s11085-019-09917-x
Abstract: The corrosion behavior of heat-resistant steels, including T91, VM12, Super 304H, and Sanicro 25, in high-temperature supercritical carbon dioxide at 650 °C and 15 MPa for 1000 h was investigated. X-ray diffraction, Raman spectroscopy, and glow-discharge optical emission… read more here.
Keywords: heat resistant; carburization; supercritical carbon; carbon dioxide ... See more keywords
An Investigation of Carburization Behavior of Molten Iron for the Flash Ironmaking Process
Sign Up to like & getrecommendations! Published in 2019 at "Metallurgical and Materials Transactions B"
DOI: 10.1007/s11663-019-01594-0
Abstract: In order to recognize the dripping and the carburizing behaviors of the molten iron within the coke packed bed in the flash ironmaking process, a transient three-dimensional numerical model was developed. The volume of fluid… read more here.
Keywords: packed bed; coke packed; carburization; iron ... See more keywords
Carbon nanofiber supported Mo2C catalysts for hydrodeoxygenation of guaiacol: The importance of the carburization process
Sign Up to like & getrecommendations! Published in 2018 at "Applied Catalysis B: Environmental"
DOI: 10.1016/j.apcatb.2018.08.043
Abstract: Abstract Molybdenum carbide catalysts supported on carbon nanofibers (β-Mo2C/CNF) were synthetized employing different carburization parameters: five temperatures (550–750 °C) and four heating rates (1–10 °C/min) were tested. The carburization process of the Mo precursor in the catalysts… read more here.
Keywords: carbide; carbon; carburization process; carburization ... See more keywords
Zirconia ceramics consolidated by oscillatory pressure sintering and subsequent carburization
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.01.239
Abstract: Abstract We proposed a novel method consisting in the combination of oscillatory pressure sintering (OPS) followed by carburization in the vacuum, to prepare zirconia ceramics with high fracture strength and Weibull modulus. In this study,… read more here.
Keywords: oscillatory pressure; zirconia ceramics; zirconia; carburization ... See more keywords
Carburization resistance of cu-coated stainless steel in supercritical carbon dioxide environments
Sign Up to like & getrecommendations! Published in 2020 at "Corrosion Science"
DOI: 10.1016/j.corsci.2020.108639
Abstract: Abstract This study investigates the effectiveness of Cu as a corrosion barrier in supercritical carbon dioxide (s−CO2) by coating 316 stainless steel (316) with various thicknesses of Cu. 316 exposed to s−CO2 with 50 ppm… read more here.
Keywords: carburization; supercritical carbon; carbon dioxide; stainless steel ... See more keywords
Effect of carburization (pyrolysis furnace tube main failure factor) on the microstructure and properties of HPNb alloy tube
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2020.104610
Abstract: Abstract The structure characteristics and mechanical properties of as-cast and carburized HPNb alloy tubes were investigated in this paper. Through magnetism test by the vibrating sample magnetometer, we find that the paramagnetic structure of as-cast… read more here.
Keywords: hpnb alloy; carburization; tube; pyrolysis furnace ... See more keywords
Plasma assisted carburization of CoPt/TiO2 catalysts with improved Fischer-Tropsch synthesis performance
Sign Up to like & getrecommendations! Published in 2019 at "Fuel"
DOI: 10.1016/j.fuel.2019.05.160
Abstract: Abstract Substitution of the time and energy consuming “reduction – carburization” processes in traditional hcp phase metallic cobalt preparation was achieved by fast and simple plasma technique. The CoPt/TiO2-cal catalyst precursor used for plasma treatment… read more here.
Keywords: assisted carburization; carburization; copt tio2; plasma assisted ... See more keywords
Acceleration effect of cobalt on carburization of tungsten at low temperature
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.10.256
Abstract: Abstract The acceleration effect of cobalt on carburization of tungsten at low temperatures was studied by a series of experiments of W, C and Co reactions and theoretical evaluations. Due to Co addition, the formation… read more here.
Keywords: acceleration effect; temperature; cobalt carburization; carburization ... See more keywords
Fabrication of TaC coating on tantalum by interstitial carburization
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.03.164
Abstract: Abstract The interstitial carburization technique is applied to fabricate a TaC coating on tantalum (Ta). High-carbon steel is chosen as the carbon source because of its high content of interstitial carbon atoms. When tantalum is… read more here.
Keywords: tac coating; coating tantalum; interstitial carburization; carburization ... See more keywords
The role of H2 in Fe carburization by CO in Fischer-Tropsch catalysts
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2021.05.027
Abstract: Abstract The formation of Fe-carbide phases is relevant to the synthesis of Fischer-Tropsch synthesis catalysts. We investigated the carburization of Raney Fe as a model catalyst using spectroscopic and temperature-programmed techniques. IR spectroscopy shows that… read more here.
Keywords: formation; role carburization; carburization fischer; carburization ... See more keywords