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Modeling the Dynamic Mechanical Behaviour and Texture Evolution of Additively Manufactured Alsi10mg_200c
By Mohsen Mohammadi, Edward Cyr
"To date, several studies have been performed on the static mechanical properties of SLM-AlSi10Mg alloy. There have also been more recent studies on the relation between scan strategy, texture, and me
Jan 1, 2018
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Use of Occupational Ethnography and Social Marketing Strategies to Develop a Safety Awareness Campaign for Coal Miners
By Elaine T. Cullen
Underground mining, like many high-risk industries, is facing a crisis in the near future. This industry has traditionally relied on a master-apprentice relationship to train new workers, but experien
Jan 1, 2009
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The Washing of Calcine to Remove Soluble Salts at Great Boulder Gold Mines Limited (add9b255-f732-4157-b8bc-50ff50a1fd29)
At Great Boulder Gold Mines Ltd. a number of attempts were made to remove water soluble copper and iron salts from calcined pyritic concentrates but variou~ problems arose and the methods were abandon
Jan 1, 1964
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OFR-134-80 Electrical Practices In Metal/Non-Metal Mines And Mills - Mine Power Systems, Mill Power Systems, Federal Regulations, Electrical Accidents
By David Bendersky
The principal objectives of this study are to: (1) survey electrical practices in metal and non-metal mines, (2) survey electrical practices in metal and non-metal mills, (3) clarify the federal regul
Jan 1, 1980
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An Alkaline Glycine-Based Process for Copper Recovery and Iron Rejection from Chalcopyrite
By B. Tanda
A process has been developed at Curtin University whereby glycine is used in an alkaline environment to leach gold, silver and copper from their ores, concentrates, process intermediates and wastes. C
Jan 1, 2016
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Mechanical properties and fatigue resistance of rails welded with the aluminothermic method
By J. P. Sancho, J. M. Duart, J. I. Verdeja, J. O. García
Following a short review of the history of rails used in the transport of passengers and goods, this paper describes the process for rail fabrication, rail structure, and properties, and summarizes th
Jan 1, 2007
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Mine Shaft Conveyance Monitoring
By T. M. Ruff, W. G. McCoy, M. J. Beus, S. Iverson, W. Hasz
Technology to enhance safety during mine hoisting has been developed by researchers at the Spokane Research Laboratory of the National Institute for Occupational Safety and Health. Assessment of curre
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IH-635 (LBJ Freeway) Corridor Section 4-West Traffic Tunnels
By Matthew E. MacGregor, Hugh T. Kelly
I.H. 635 (LBJ Freeway) was constructed as a loop freeway around the city of Dallas in the late 1960s and early 1970s with a design capacity of 160,000 vehicles per day (vpd). Today’s facility is carry
Jan 1, 2005
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Neutralization Of Smelter Gases With Limestone In A Countercurrent Multiple Fluidized Bed System.
A three?stages countercurrent fluidized bed prototipe reactor to neutralize the SO2from smelter gases has been developed. For gases with 8 vol-%SO2, at 800°C and for 4 h mean reaction time of the lim
Jan 1, 2006
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Contributions To The Data On Theoretical Metallurgy ? XI. Entropies Of Inorganic Substances. Revision (1948) Of Data And Methods Of Calculation - Introduction
By K. K. Kelley
The first bulletin (269) 3 in this series, which appeared in 1932, compiled the entropy values then available for the elements and in-organic compounds, results being listed for some 150 substances. E
Jan 1, 1950
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A critical investigation into identifying key focus areas for the implementation of blockchain applications in the mining industry
By K. G. Philo, R. C. W. Webber-Youngman
mining, where data-driven decision making optimizes resource extraction, enhances safety, and ensures sustainability. The adoption of digital technologies like artificial intelligence (AI) and the Int
Jul 10, 2024
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RI 3674 Cushioned Blasting - II. Preliminary Studies of Gallery Testing
By A. R. T. Denues
"INTRODUCTION The orienting phases of the current investigation of cushioned blasting in the Explosives Division of the Bureau of Mines were indicated in a previous publication (5) 3/. Pertinent liter
Jan 1, 1943
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Mobile gas laboratory for responding to mine fires and explosions
By M. P. Valoski
Mine fires and/or explosions continue to occur. While these are unusual events, they comprise emergency situations. Whenever one of these events occurs, the Mine Safety and Health Administration (MSHA
Jan 1, 2009
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Commodity Data Summaries 1975 - Aluminum
1. Domestic Production and Use: In 1974 twelve companies operated 31 primary aluminum reduction plants, three firms accounting for 64% of production. Washington, Oregon, and Montana accounted for 32%
Jan 1, 1975
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Lac Minerals Development of Hemlo
By C. Patel, George H. Hope
"INTRODUCTIONThe Hemlo area is located in Northern Ontario, some 350 km east of Thunder Bay along highway 17. Hemlo is Canada's largest, recent discovery of gold ore. Three companies, Lac, Noranda, an
Jan 1, 1985
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IC 6602 Shaft-Sinking Methods, Practices, And Costs Of The Consolidation Coal Co. At Its No. 261 Mine, Caretta, McDowell County, W. Va. ? Introduction
By Laurence F. Kelley
This paper is one of a series being prepared by the United States Bureau of Mines on shaft-sinking methods and costs at individual operations in various mining districts of the United States. The meth
Jan 1, 1932
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High Speed Development Work at Emperor Mine, Vatukoula, Fiji
With the exhaustion of orebodies close to the main haulage shaft of the Emperor mine, an increased rate of development, aimed at earlier investigation of values disclosed by exploration drill holes ha
Jan 1, 1966
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Barrick’s Gold Production to Increase by 40 Percent
Barrick Gold plans to have four new gold mines in production by 2006. Together, the mines would increase the company’s output by 40 percent. The projects include Veladero in Argentina, Alto Chica
Jan 1, 2004
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Notes on the New Broken Hill Consolidated Ltd. Service Shaft
This paper briefly describes the shaft, including sinking, steel sets and their installation, shaft equipment and winders.INTRODUCTIONThe New Broken Hill Consolidated Ltd. Service Shaft is a vertical
Jan 1, 1957
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Innovation Drivers And Opportunities Across The Gold Metallurgy Value Stream
By N. S. Phala
Declining gold grades, mineralogical complexity of ore bodies, increasing input costs, more stringent conditions in the licenses to operate, and uncertain gold price dynamics combine to exert signific
Sep 1, 2012