Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Nathan A. S. Webster"'
Autor:
Isis R. Ignácio, Geoffrey Brooks, Mark I. Pownceby, M. Akbar Rhamdhani, Willian John Rankin, Nathan A. S. Webster
Publikováno v:
Minerals, Vol 12, Iss 10, p 1253 (2022)
The presence of Ca-ferrite and silico-ferrite-of-calcium-and-aluminium (SFCA) bonding phases is thought to be crucial to maintain sinter quality due to their high reducibility and strength levels. However, new evidence suggests that porosity might be
Externí odkaz:
https://doaj.org/article/9b5cd245713146f89b0833c94efa0052
Publikováno v:
ISIJ International. 62:1618-1623
Autor:
Nathan A. S. Webster, Mark I. Pownceby
Publikováno v:
ISIJ International. 62:1624-1628
Publikováno v:
ISIJ International. 62:652-657
Autor:
Agung Setiawan, Nathan A. S. Webster, Mark I. Pownceby, Sri Harjanto, Muhammad Akbar Rhamdhani
Publikováno v:
Journal of Sustainable Metallurgy. 7:1819-1837
The kinetics and mechanisms of carbothermic reduction of a complex Kalimantan weathered ilmenite (FeTiO3) using palm kernel biomass were investigated in the temperature range 1273–1473 K. The study included a combined thermodynamic assessment toget
Autor:
Leanne Matthews, Tom Honeyands, Jeff Chen, Mark I. Pownceby, Damien O’Dea, Tobin Harvey, Nathan A. S. Webster, Thi Bang Tuyen Nguyen
Publikováno v:
JOM. 73:345-355
Analogue sinter tablets were produced at temperatures between 1250°C and 1320°C, with a range of hold times and cooling rates. Platy silico-ferrite of calcium and aluminum (SFCA) morphology was identified in samples produced at 1250°C using reflec
Autor:
Sheng Jason Chew, Raymond J. Longbottom, Nathan A. S. Webster, David Pinson, Brian J Monaghan
Publikováno v:
ISIJ International. 60:2436-2445
Publikováno v:
JOM. 73:299-305
The effect of MgO on the stability, concentrations and formation mechanisms of silico-ferrite of calcium and aluminum (SFCA and SFCA-I) iron ore sinter bonding phases during heating in synthetic mixtures was investigated using in situ x-ray diffracti
Autor:
Suneeti Purohit, Mark I. Pownceby, Muhammad Akbar Rhamdhani, Geoffrey Brooks, Nathan A. S. Webster
Publikováno v:
Ironmaking & Steelmaking. 48:299-312
Lime magnetite pellets (LMPs) containing CWF phase (CaFe3O5) provide potential feed materials for ironmaking. In this paper, the effects of typical impurity oxides inherent to magnetite ores such a...
Autor:
Rong Fan, Heike Ebendorff-Heidepriem, Shuai Ruan, Yi-Bing Cheng, Christopher R. McNeill, Yinlan Ruan, Nathan A. S. Webster, David P. McMeekin, Jianfeng Lu
Publikováno v:
The Journal of Physical Chemistry C. 124:2265-2272
Raman spectroscopy is a powerful technique for the study of materials chemistry and nanostructure. This nondestructive technique is highly sensitive to molecular and crystal lattice vibrations, whi...