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Conventional Versus Non-Conventional Aging Heat Treatments of 319-Type Alloys in Relation to their Mechanical Properties
By F. H. Samuel, J. E. Gruzleski, S. Valtierra, H. W. Doty, F. J. Tavitas-Medrano
319-type cast Al-Si-Cu-Mg alloys are commercially important due to their popular use in automotive applications. Artificial aging heat treatments are commonly performed in these alloys to achieve prec
Jan 1, 2006
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Economics of Mine Haul Road Construction
By Bruce Regensburg
As trucks become larger and larger, haul roads take on a more significant role in mining costs and economics. The School of Mining at the University of Alberta has compiled a design manual for haul ro
May 1, 2001
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The Frood Ore Deposit: A Suggestion as to its Origin
By C. V. Corless
THE origin of various types and groups of ore deposits was some years ago a subject of much controversy. To this statement the copper-nickel deposits near Sudbury afforded no exception. Not since the
Jan 1, 1929
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Chapter III – Continued -Part 5. - Steep Rock-Michipicoten-Goudreau Area - Structure of the Michipicoten-Goudreau Area
By E. S. Moore
"The Michipicoten-Goudreau area, bordering on the northeast corner of lake Suferior, has had a tectonic history related to that of the geosyncline occupied by this lake. This basin has been a major st
Jan 1, 1954
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The Development of Zr-Zn Alloy Compact Additions for Liquid Aluminum
By K. Sun, S. A. Argyropoulos
The assimilation and the exothermic behavior of Zn-Zr metallic powder compacts into molten aluminum was studied by measuring simultaneously the temperatures inside at the centerline of the compact, at
Jan 1, 2008
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Joining of Inconel 617 Sheets Using TLP Bonding Process With Ni-Si-B Interlayer
By R. A. L. Drew, F. Jalilian, M. Jahazi
Joining of superalloy Inconel 61 7 with a foil interlayer using transient liquid phase bonding (TLP) technique was studied. Inconel 617 is a solid solution, Ni - Cr - Co- Mo alloy with an exceptional
Jan 1, 2006
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New Technology of Oxygen Evolution Anodes for Electrowinning
By Masatsugu Morimitsu
This paper introduces new technology of oxygen evolution anodes which can be applied to produce copper, zinc, cobalt, and other metals by electrowinning. The anode consists of nano iridium oxide parti
Jan 1, 2011
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An Evaluation of Field, The Material Balance Saskatchewan, Canada
By P Kovacs, D. L. Flock
For the purpose of reservoir-performance calculations a balance can be made between the materials with-in the reservoir and the production from the reservoir. The material balance equation, a relation
Jan 1, 1961
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Mineral Deposits Related to Major Structures in the Precambrian of Manitoba
By J F. Davies
A review is presented of the fundamental differences between the Superior and Churchill geologic provinces. Structure, lithology, grade of metamorphism and a single recent age determination suggest th
Jan 1, 1964
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Iron Control in Zinc Solvent Extraction: The Técnicas Reunidas Experience
By G. Diaz
Técnicas Reunidas (TR) has been involved for over 30 years in the development of process technologies for the recovery of zinc from different primary and secondary feed materials, such as the ZINCEXTM
Jan 1, 2006
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Cold-Weather Response of Steel
By George J. Thompson
This pa per deals with the internal characteristics of steel and its response under cold northern temperatures. General maintenance procedures and specific repair techniques are covered.
Jan 1, 1973
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ECAE of a Stack of Metal Sheets
By O. Bouaziz, O. Magnea, P. Cugy, E. F. Rauch
The experimental difficulty to perform Equal Channel Angular Extrusion (ECAE) of a bulk sample of hard material such as steel was overcome. The original method proposed in this paper consists in repla
Jan 1, 2004
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Uranium deposits South Limb of the Quirke syncline Elliot Lake, Ontario
By F. Q. Barnes
"Uranium, thorium and yttrium have been recovered, since the 1950s, from pyritic quartz-pebble conglomerates occurring in the basal sediments of the Quirke syncline at Elliot Lake. Gold, an element of
Jan 1, 1986
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Surf Point and Edye Pass Mines
By Alexander Smith
Surf Point and Edye Pass mines are on the northwestern part of Porcher island; 25 miles southwest of Prince Rupert. During the 1930's they produced about $750; 000 in gold from ore averaging better th
Jan 1, 1954
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Evaluation Of Crack And Simulated Corrosion Defects In An Api X-60 Gas Pipeline Steel
By A. Hosseini
Full-scale rupture tests were conducted on 508 mm (20 in) diameter API X-60 5.7 mm wall thickness pipes containing either axial semi-elliptical cracks or simulated corrosion defects with equivalent de
Jan 1, 2010
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Fabrication of Porous Copper and Porous Copper Based Alloys with Controllable Pore Structure
By Y. X. Li, L. R. Xiao, S. Gong, S. S. He
Porous copper and porous copper based alloys with controllable pore structure have been manufactured successfully by sintering evaporation process. This process consisted of mixing copper or copper ba
Jan 1, 2019
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Composition of the Asbestos Tailings from the Mines in the Eastern Townships of Quebec
By J. C. Roy, S. Couture, C. Barbeau
The chemical composition of the asbestos tailings from different mines in the Eastern Townships of Quebec are fairly uniform in composition. The serpentine minerals antigorite and chrysotile form abou
Jan 1, 1972
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Comparing Refractory Gold Ore Pre-Oxidation Using Mintek's Advanced Leach Facility
By S. J. van Rensburg
Competition for resources, including water and arable land, refocused attention on water and gold tailings management with respect to quantity and quality. MINTEK established and validated an "Advance
Jan 1, 2011
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Pretreatment of a Gold Refractory Concentrate: Pressure Oxidation vs Fine Grinding
By Sergio Romo, Gerardo Fuentes, Adriana Garcés
Refractory ores with gold entrapped in a sulfide matrix, must be processed in a first stage with chemical or physical treatment in order to liberate the gold for a subsequent step with cyanide. The go
Jan 1, 2014
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Increased Productivity with Performance Monitoring of the Key Technological Indicators for Power Shovels and Dragline by Means of Electric Drive
By A. L. Karyakin
The report focuses on the process measurements of the mass of rock in the bucket power shovels and dragline excavators. The mathematical models are suggested of AC and DC electric drives of excavators
Aug 1, 2013