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Effect of Yield Strength on Wear Rates of Railway Wheels
By J. W. van der Merwe, A. S. Bolokang, M. J. Phasha, V. J. Matjeke, C. Moopanar
"Excessive wear rates on railway wheels can result in rolling-stock derailments. If wear is detected early the possible derailments can be prevented by prematurely replacing wheelsets, although the in
Jan 1, 2016
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Fragmentation Optimisation – Adopting Mine to Mill for Reducing Costs and Increasing Productivity
By V M. Silva, P A. A Martins, V O. Matthew, A L. S Fonseca, E B. Cunha, A J. D Ferrari, E M. S Silva, A C. Silva, D R. T Vilela
The Anglo American phosphate mine is located in the Brazilian state of Goiás and possesses one of Brazil’s most important phosphate rock deposits, with the site being the country’s second largest
Aug 24, 2015
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Long-Range Planning Commission: Report of the Scope Committee
By Charles C. Dahl, Gordon C. Presley, Andrew E. Nevin, Bruce A. Kennedy
How does SME-AIME cope with profound changes in technology, markets - and most importantly - in employment patterns facing its membership today? This is the question that prompted the Society's B
Jan 4, 1984
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Metallurgical Fluorspar Yesterday & Today & Tomorrow
By William R. Oakley
In order to best-discuss the met spar industry let me take the liberty to review our involvement, that is, my company's. Our organization has been involved in the fluorspar industry for approxima
Jan 1, 1978
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Minerals Beneficiation - The Colmol-A Continuous Mining Machine
By C. H. Snyder
Tlie paper deals with details of construction of the Colmol, including improvements in design that will be incorporated in new models. These improvements are results of problems encountered and worked
Jan 1, 1951
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Minerals Beneficiation - The Colmol-A Continuous Mining Machine
By C. H. Snyder
Tlie paper deals with details of construction of the Colmol, including improvements in design that will be incorporated in new models. These improvements are results of problems encountered and worked
Jan 1, 1951
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Coal - Agglomerating Fine Sized Ores with Low Temperature Coke
By C. E. Lesher
Two processes for agglomerating fine sized ores with low temperature coke are described. One process (Orcarb) agglomerates ores with limited amounts of carbon; the other (ore-carbon pellets) pelletize
Jan 1, 1956
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Iron and Steel Division - Agglomerating Fine Sized Ores with Low Temperature Coke
By C. E. Lesher
Two processes for agglomerating fine sized ores with low temperature coke are described. One process (Orcarb) agglomerates ores with limited amounts of carbon; the other (ore-carbon pellets) pelletize
Jan 1, 1956
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RI 4608 Investigation Of The Magnesite Deposit Of The Ala-Mar Magnesium Co., Inc., And Nevada Magnesite Co. White Pine County, Nev.
By Jr. Holmes
The Bureau of Mines drilled and sampled the more important magnesite deposits in the Currant Creek Mining District, White Pine County, Nev. The properties of the Ala-Mar Magnesium Co., Inc., and the N
Jan 1, 1950
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OFR-47(3)-83 Ecological Studies On The Revegetation Process Of Surface Coal Mined Areas In North Dakota - 3. Soil And Vegetation Development Of Abandoned Mine
By Mohan K. Wali
Soil and vegetation development were studied on abandoned mine sites near Velva in Ward County, North Dakota. The sites studied were 1, 7, 17, 30 and 45 years old since abandonment; unmined sites were
Jan 1, 1982
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OFR-10-94 Coal Recoverability And The Definition Of Coal Reserves: Central Appalachian Region, 1993
By Timothy J. Rohrbacher
This report presents results from an ongoing U.S. Bureau of Mines study defining domestic coal reserves. Examinations of five 7 ½ -minute central Appalachian quadrangles have been completed to date. O
Jan 1, 1994
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Superclean Steel Production Technology For Gas Turbine Compressor Discs At Villares Metals S.a.
By Mário César Mantovani
The steel for gas turbine compressor discs (26NiCrMoV14.5) requires some mechanical properties like strength, impact, toughness, fatigue, and creep resistance in order to be used in such application.
Aug 17, 2017
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Hydrogen Reduction of Copper and Nickel in the Processing of Copper Bleed Solution of Indian Sea Nodules
By B. D. Pandey, D. Bagchi, Premchand
During the separation and recovery of metals from the ammoniacal leach liquor of Indian Ocean nodules by solvent extraction-electrowinning (SX-EW) in close-loop operation, the copper electrolyte conta
Jan 1, 2004
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SOLIDIFICAÇÃO UNIDIRECIONAL TRANSITÓRIA, MICROESTRUTURA, PARÂMETROS TÉRMICOS E DUREZA DE LIGAS AA5052 VARIANDO TEOR DE Mg
By Cínthia Toshimi Ogata
Processos de fundição de ligas de alumínio com altos teores de Mg são um desafio da indústria, uma vez que diferentes taxas de resfriamento ocorrem em geometrias diversas. Este trabalho tem como objet
Oct 30, 2017
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Autogenous Grinding - The Long And The Short Of It! ? Summary
By Howard W. Adam
Mill length was the primary variable investigated in an autogenous pilot mill circuit. The 5-1/2' diameter mill had both pebble ports and 1/2" wide slotted grates. The plus 1/2" mill product was
Jan 1, 1973
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RI 8504 Corrosion of Materials and Scaling in Low-Salinity East Mesa Geothermal Brines
By F. X. McCawley
The Bureau of Mines, in pursuing its goal of extending the life span of strategic materials, conducted field corrosion studies at the East Mesa Known Geothermal Resources Area (KGRA) in the Imperial V
Jan 1, 1980
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RI 8830 Alumina Miniplant Operations-Evaporative Crystallization of Aluminum Nitrate Nonahydrate From Aluminum Nitrate Solutions
By T. L. Turner, Daniel T. Rogers
As part of a program to investigate technology for the extraction of studied HNO3 alumina from abundant domestic ores , the Bureau of Mines leaching of calcined Georgia kaolinitic clay . In this inves
Jan 1, 1965
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Flotation Froth Image Segmentation Based on Highlight Correction and Parameter Adaptation Mining, Metallurgy and Exploration (ff8d32fd-da4e-43f4-8da2-8beb808a22d7)
By Wen Tao Liu, Tong Tian, Fu Sheng Niu, Xiu Man Liang
In order to address the difficulty of accurate segmentation of froth images of different sizes, a method of froth image segmentation based on highlight correction and parameter adaptation is proposed.
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Process Mineralogy of Refractory Hematite Ore in Kazakhstan
Systemic process mineralogy study on Baerbulawu refractory hematite ore in Kazakhstan has been carried out. The ore contains Fe 41.34%, and 87.26 % of which exists in hematite. Most hema-tite occurs a
Jan 1, 2014
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The effect of feed-coal particle size on the separating characteristics of a gas-solid fluidized bed - Synopsis
By Y. M. Zhao
The separating performance of a pilot dry beneficiation system using a gas-solid fluidized bed was investigated with coal from South Africa. The coal used for the study has a low inherent moisture con
Jan 1, 2010