Effect of Al antioxidant on the rate of oxidation of carbon in MgO–C refractory

SK Sadrnezhaad, ZA Nemati, S Mahshid… - Journal of the …, 2007 - Wiley Online Library
Kinetics of air oxidation of MgO–C–Al refractory at 600°–1300° C were investigated using
the software based on the modified shrinking core model (KDA). Commercial bricks …

Oxidation kinetics of graphite phase in magnesia‐carbon refractories

X Li, M Rigaud, S Palco - Journal of the American Ceramic …, 1995 - Wiley Online Library
Decarbonization of resin‐bonded magnesia‐graphite refractories, as one of the most
important parameters for brick lining performance in service, has been studied kinetically in …

Influence of Chemical Reactions in Magnesia‐Graphite Refractories: I, Effects on Texture and High‐Temperature Mechanical Properties

C Baudín, C Alvarez, RE Moore - Journal of the American …, 1999 - Wiley Online Library
Four formulations of magnesia‐graphite‐aluminum metal (antioxidant) bricks were prepared
from the same raw materials, using the standard commercial practices. Chemical analysis …

Post-mortem analysis of alumina-magnesia-carbon refractory bricks used in steelmaking ladles

WA Calvo, P Pena, AGT Martinez - Ceramics International, 2019 - Elsevier
Post-mortem studies in secondary steelmaking ladles are an important way to determine the
factors related to Alumina-Magnesia-Carbon (AMC) refractory corrosion. AMC refractory …

Oxidation mechanism of MgO–C in air at various temperatures

NK Ghosh, DN Ghosh… - British ceramic …, 2000 - journals.sagepub.com
Oxidation of MgO–C refractories containing 20 wt-% graphite was conducted by measuring
the weight loss at regular intervals at various temperatures from 800 to 1600° C in air. The …

[PDF][PDF] Refractarios de magnesia-grafito

C Alvarez, E Criado, C Baudín - Bol. Soc. Esp. Cerám. Vidrio, 1992 - boletines.secv.es
Antioxidants improve the performance of magnesiagraphite materials. The main properties
of magnesiagraphite-antioxidants refractories: oxidation and corrosion resistance and high …

Reactions of secondary phases with carbon in magnesia‐carbon bricks

L Redecker, A Sax, P Quirmbach… - Journal of the American …, 2016 - Wiley Online Library
Despite the excellent thermochemical properties of magnesia carbon bricks, these exhibit
one weak characteristic during their use: their carbothermally induced wear. Carbon has a …

Hydration of coked MgO–C–Al refractories

SK Nandy, NK Ghosh, D Ghosh, GC Das - Ceramics International, 2006 - Elsevier
Magnesia–carbon bricks collected from steel plants kept in open atmosphere were found to
crack and disintegrate on prolonged exposure. To understand the mechanism of this …

含钒钢渣对镁碳砖的侵蚀

敖进清, 李楠, 韩兵强 - 耐火材料, 2006 - nhcl.cn
用感应炉浸渍试验法(熔池温度1650℃ 左右, 侵蚀时间20min) 研究了V2O5 含量分别为0,
1.34%, 2.0%, 3.15% 的钢渣对镁碳砖的侵蚀. 结果表明: 由于V2O5 降低了渣的熔化温度与粘度 …

Effect of Si antioxidant on the rate of oxidation of carbon in MgO-C refractory

SK Sadrnezhaad, N Bagheri, S Mahshid - 2011 - sid.ir
Progressive conversion/shrinking core (PC-SC) models of constant-size cylinders were
exploited to interpret the decarburization reactions of MgO-C-Si bricks heated up under …