Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
A Test To Determine Crystallinity Of Mould Fluxes
By K. C. Mills, R. Thackray
A test has been devised that can predict accurately the % crystallinity developed in a slag film formed between the steel strand and the mould. The % crystallinity in the test samples was determined a
Jan 1, 2004
-
Design tools to minimize the occurrence of ore pass interlocking hang-ups in metal mines
A comprehensive review of ore pass records, from ten Quebec underground mines, indicated some of the limitations of available design tools to predict the occurrence of ore pass interlocking hang-ups i
Jan 1, 2003
-
Failure probability analysis of high rock slopes based on bionic algorithm
Abstract : The computation of reliability index or failure probability of slopes can be transformed into an optimisation problem. In high rock slope engineering, it is usually a multimodal optimizatio
Jan 1, 2003
-
Modelling Of Al, Si, Mn And Ti Partition Between Slag And Fe-Ni Alloys
By S. Witzke, J. Lehmann, H. Gaye
The modelling work presented here concerns Ni-bearing steels produced by Imphy Ugine Précision. In such grades, the contents of elements such as silicon or titanium must be precisely controlled by sla
Jan 1, 2004
-
DMS Cyclone Size Vs. Cyclone Efficiency: The De Beers Perspective
By Kurt RP Petersen, Hendriena van der Walt
With the decline in fine diamond production from the Argyle mine in Australia, there is a greater emphasis on efficiently treating the finer size fractions through a DMS circuit. Although it is genera
Jan 1, 2006
-
Quasi-chemical viscosity model for fully liquid slags in the A12O3-CaO-‘FeO’-SiO2system
By A. Kondratiev
A structurally-based viscosity model for fully liquid silicate slags has been developed and applied to the Al2O3-CaO-‘FeO’-SiO2system at metallic iron saturation. The model links the slag viscosity to
Jan 1, 2004
-
Modelling Of Antimonate Capacity In Copper And Nickel Smelting Slags
By J. M. Font, R. G. Reddy
Jan 1, 2004
-
Annual Report - For The Year Ended 30th June, 1999
Council for 1999/2000 President J.R. Dixon President Elect M.H. Rogers Vice Presidents Senior Dr L.A. Cramer Junior A.A.B. Douglas Immediate Past President R.P. Mohring Ho
Jan 1, 1999
-
Application Of Openrisk At Open Cast Coal Mines
By L. Munsamy, B. J. Madden
OpenRisk, an open cast risk rating system, takes into account relative differences in the importance of hazards, as experienced on each mine as a result of different combinations of geotechnical facto
Jan 1, 2006
-
Computer Modelling Of Molten Halides Using Diffraction Data
By O. I. Ostrovski, D. K. Belashchenko
The aim of this paper is the construction of models of systems with ionic and ionic-covalent bonds (molten salts) using experimental diffraction data and the calculation of their structure and thermod
Jan 1, 2004
-
Keynote Address: Melting of platinum group metal concentrates in South Africa
By J. Nell
An overview is given of the matte melting process used for the beneficiation of South African Platinum Group Metal (PGM) ores. Most producers use six-electrode furnaces to melt the concentrate and Pie
Jan 1, 2004
-
Integration of seismic observations from deep level gold mines with dynamic numerical modelling
By M. W. Hildyard, M. O. Kataka
Seismic integration schemes aim to incorporate the rock mass response provided by the historical seismic activity to improve the ability of numerical models to reproduce future response to mining. Up
Jan 1, 2003
-
The Performance And Properties Of Mould Fluxes
By A. B. Fox, R. P. Thackray, K. C. Mills
The role of mould fluxes in continuous casting is reviewed. The main functions of the flux are described and the importance of the flux in providing lubrication and the right level of heat transfer be
Jan 1, 2004
-
Structural Analysis Of Molten Na2O-NaF-SiO2 System By Raman Spectroscopy And Molecular Dynamics Simulation
By H. Urata, K. Ishii
To determine the effect of F ions in the molten alkali silicate systems on their structures, quenched Na2O-SiO2-NaF systems were investigated by Raman spectroscopy and molecular dynamics simulation. T
Jan 1, 2004
-
Morphological approach to volume calculation of complex 3D geological objects
By D. R. Hack, N. M. Sirakov, M. L. Feves, M. Iwanowski
This paper presents a new approach capable of volume calculation of 3D reconstructed geological objects. The method is based on a well-known concept that states the volume of an object can be computed
Jan 1, 2003
-
The Use Of Cusums As A Tool To Aid In The Interpretation Of Slope Monitoring Data With Specific Examples From An Operating Open Pit Mine
By P. A. Lilly, W. Sarunic
In most cases, slope movement monitoring data are collected on a temporal basis and displacement or velocity is plotted against time in order to assist the engineer to make judgements about slope beha
Jan 1, 2006
-
Physico-chemical properties and transition metal complex formation in alkali pyrosulphate and hydrogen sulphate melts
By H. Hamma, R. Fehrmann, M. Gaune-Escard, G. Hatem, S. B. Rasmussen, K. M. Eriksen
The molten salts M2S2O7and MHSO4, the binary molten salt systems M2S2O7-MHSO4and the molten salt-gas systems M2S2O7-V2O5and M2S2O7-M2SO4-V2O5(M = Na, K, Rb, Cs) in O2, SO2and Ar atmospheres have been
Jan 1, 2004
-
Oxidation state of titanium in CaO-SiO2-TiOxslags at 1873K
By P. Gonzalez, C. Ariyo, L. Holappa
Oxidation state of titanium was determined in CaO-SiO2-TiOxslags in the composition range25–53 per cent CaO, 27–46 per cent SiO2, 10–55 per cent TiOxat 1873K using gas equilibration method. In the
Jan 1, 2004
-
Critical Factors For Sustainable Social Projects
By C. S. Chenga
Sustainable development is currently an extremely relevant concept worldwide, especially in developing countries like South Africa. Mining and metals companies are also directly affected by the sustai
Jan 1, 2006
-
Application of borehole seismic and AE monitoring technique in the rock cavern
By M. Tanaka, K. Aoki, T. Mori, H. Morioka, K. Iwano, T. Kanagawa
To estimate the detailed characteristics of the rock around the cavern during excavation, new monitoring technique for dynamic properties of the rock has been applied. In this paper, micro-seismic mon
Jan 1, 2003