Zobrazeno 1 - 10
of 293
pro vyhledávání: '"Chou, K.C."'
Publikováno v:
Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 54, Iss 1, Pp 1-8 (2018)
The oxidation behavior of fayalite (Fe2SiO4) in water vapor at 1000°C was investigated. The phase constitution and microstructure of the solid products were characterized using X-ray diffraction (XRD) and scanning electron microscopy (SEM) with ener
Externí odkaz:
https://doaj.org/article/6f07bb42b41643b88c75fd1f0f73aa4d
Publikováno v:
Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 54, Iss 2, Pp 153-159 (2018)
In the present work, a novel process for effective extraction of valuable metals (V, Cr, Ti, Mn, Fe, Al, and Mg) from the vanadium slag is proposed. The leaching parameters for valuable metals extraction from the vanadium slag by acidic sodium chlora
Externí odkaz:
https://doaj.org/article/ff5701da46224967bfc73812979984c9
Publikováno v:
In Journal of Alloys and Compounds 15 February 2017 694:480-488
Publikováno v:
Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 53, Iss 3, Pp 365-372 (2017)
The effect of rare earth metals addition on the Al2O3 inclusions in spring steel used in fastener of high speed railway was investigated by metallographic examination, SEM-EDS and composition analysis. To deform those harmful inclusions to improve
Externí odkaz:
https://doaj.org/article/27a1934592554cbf825e43b69ee7a028
Publikováno v:
Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 53, Iss 3, Pp 383-390 (2017)
High quality ferrovanadium nitride was prepared successfully by carbothermal reduction nitridation process by using V2O5 and Fe as the raw materials. The effects of reaction temperature and C/O molar ratio (content of O is defined as the oxygen in
Externí odkaz:
https://doaj.org/article/2c304385162746ec9fd2ab9850b32b52
Publikováno v:
Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 52, Iss 1, Pp 35-40 (2016)
In the present work, the rate of dissolution of Al2O3 rod in CaO-SiO2-Al2O3 and CaO-SiO2-Al2O3-Ce2O3 slags were carried out in the temperature range of 1793 K (1520ºC) - 1853 K (1580ºC) under static conditions. The cross section of the rod and t
Externí odkaz:
https://doaj.org/article/dc53bad14158491886ee13a7f2f1752c
Publikováno v:
Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 51, Iss 1, Pp 17-24 (2015)
In order to optimize the current reduction process of chromite, a good knowledge of reduction mechanism involved is required. The basic component in chromite ore is FeCr2O4 with gangue component like MgO and Al2O3. In lack of clear and consistent
Externí odkaz:
https://doaj.org/article/62ed570b6bf444f39a8427081229502f
Publikováno v:
In Journal of Alloys and Compounds 5 June 2014 597:136-141
Publikováno v:
Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 50, Iss 2, Pp 139-144 (2014)
A new method, combining KTH model with geometrical model (General solution model by Chou) to estimate viscosity of some ternary silicate slags, was proposed in this work. According to modified KTH model, viscous Gibbs free energy for mixing of ter
Externí odkaz:
https://doaj.org/article/ff822dfa35c64e2fb43e6f603231a302
Publikováno v:
Journal of Mining and Metallurgy. Section A: Mining, Vol 50, Iss 1, Pp 47-55 (2014)
A simple and efficient method for preparation of SiAlON ceramics including β-SiAlON, O'-SiAlON and AlN polytypoid (15R and 12H) using reduction-nitridation of coal gangue and reducing agents at 1800K for 6h was described. The phase transformation of
Externí odkaz:
https://doaj.org/article/e3879809b37c4561b0cf0b4fb84fb7bf