The industrial application of an aluminum wire injector for ladle metallurgy

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Mots clés : Technology;Wire injectors;Aluminum;Ladle metallurgy;Sidbec-Dosco;McGill University;Steel;Melting kinetics
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Publication: CIM Bulletin
Auteur(s): NORMAN M.P. LOW
Numéro: 837
Volume: 75
Année: 1982
Texte
Publication: CIM Bulletin
Auteur(s): JOHN C. McKAY
Numéro: 837
Volume: 75
Année: 1982
Texte
Sommaire: A program of evaluation of in-mould electromagnetic stirring on the product of a straight-mould, billet continuous casting machine has been carried out. The effects on macrostructure, surface and internal quality, chemistry segregation and mechanical properties on carbon, low-alloy and resulphurized, free-machining steel billets and rolled bars are discussed. Operational aspects as a result of in-mould stirring are highlighted.
Publication: CIM Bulletin
Auteur(s): M. GRAY, A. McLEAN, G.C. WEATHERLY, L. BEITELMAN, D. CAMPBELL, M.W. BATES, R. MADDEN
Mots clés: Technology, Electromagnetic stirring, Billets, Bars, Castings, Ferrco Engineering, Lake Ontario Steel, University of-Toronto, Continuous casting, Steel, Tensile strength.
Numéro: 837
Volume: 75
Année: 1982
Texte
Sommaire: This paper will describe how cultivator shanks are made in one company and how the manufacturing was studied with a view to increasing product consistency and reducing manufacturing cost. The product, which is used extensively in the agriculture industry, was analyzed to determine which geometric parameters optimized its design and whether there was justification for the great variety of styles and shapes that are available in the market. Finally, an extensive series of field trials were...
Publication: CIM Bulletin
Auteur(s): D.G. BELLOW
Mots clés: Technology, Cultivator shanks, Stelco, University of Alberta, Manufacturing, Tensile stress, Steel.
Numéro: 837
Volume: 75
Année: 1982
Texte
Sommaire: In addition to the actual energy consumed, billing is dependent on the peak load and the power factor. The lower the power factor goes, the higher will be the penalty the consumer pays. The principles of a power factor regulator, the two ways of improving the power factor and methods for calculating the capacitor values required will be described.The rate structure of the utility company is founded on three cornerstones: the energy consumed during a given period of time and two penalties...
Publication: CIM Bulletin
Auteur(s): JEAN-LUG BEAUDOIN
Mots clés: Equipment, Power factor regulation, Peak load regulation, Electricity, Control systems, Capacitor values.
Numéro: 837
Volume: 75
Année: 1982
Texte
Sommaire: Tailings in the mining and smelting industry are reject products of the refining process which are deemed too deficient in native ore to warrant smelting. They are essentially finely ground rock materials which have been moved by alluvial suspension from the site of crushing to a deposit site. It is realized that components of flotation chemicals used in specific gravity separation may become part of the tailings and also that sewage sludge or other materials may be added at some stage to the...
Publication: CIM Bulletin
Auteur(s): G.K. RUTHERFORD
Mots clés: Tailings, Soils, Environmental control, Vegetation, Drainage, Nutrients, Sudbury area.
Numéro: 837
Volume: 75
Année: 1982
Texte
Sommaire: The Snow Lake massive sulphide deposits are hosted by Aphe-bian volcanic rocks of the Flin Flon - Snow Lake greenstone belt, which in this area were deformed and metamorphosed to the amphibolite fades during the Hudsonian orogeny. All the known deposits occur infelsic rocks a short distance below the contact with an overlying mafic rock unit.The Stall Lake copper deposit occurs close to the top of an explosive felsic volcanic sequence. Rocks stratigraphically underlying the deposit have been...
Publication: CIM Bulletin
Auteur(s): R.D. STUDER
Mots clés: Economic geology, Stall Lake deposit, Copper deposits, Snow Lake, Massive sulphide deposits, Alteration, Geochemistry.
Numéro: 837
Volume: 75
Année: 1982
Texte
Sommaire: The Snow Lake massive sulphide deposits are hosted by Aphe-bian volcanic rocks of the Flin Flon - Snow Lake greenstone belt, which in this area were deformed and metamorphosed to the amphibolite fades during the Hudsonian orogeny. All the known deposits occur infelsic rocks a short distance below the contact with an overlying mafic rock unit.The Stall Lake copper deposit occurs close to the top of an explosive felsic volcanic sequence. Rocks stratigraphically underlying the deposit have been...
Publication: CIM Bulletin
Auteur(s): R.D. STUDER
Mots clés: Economic geology, Stall Lake deposit, Copper deposits, Snow Lake, Massive sulphide deposits, Alteration, Geochemistry.
Numéro: 837
Volume: 75
Année: 1982
Texte
Sommaire: Canada's largest known chromite deposit occurs in a layered intrusion in the Bird River area of Manitoba. However, numerically most of the chromite occurrences are in the Appalachians. Few, apparently minor, occurrences are also known in the Cordillera.In the Appalachians, chromite occurs as lenses and pods in dunite; they are of "podiform" type. The individual concentrations vary in size from a few pounds to tens of thousands of tons. Locally, chromite concentrations form discontin...
Publication: CIM Bulletin
Auteur(s): N. KACIRA
Mots clés: Chromite, Appalachians, Economic geology, Ultramafic rocks, Dunite, Ophiolites, Thetford Mines area, Sterrett Mine, Springer's Hill prospect, Huard Mines, American Chrome Company.
Numéro: 837
Volume: 75
Année: 1982
Texte
Sommaire: The Nemeiben Lake ultramafic complex, in the Churchill Province of the Canadian Shield in north-central Saskatchewan, is a small 1.6-km circular plug largely composed of high-alumina pyroxene cumulates forming a series of grossly concentric layers of clinopyroxenite, websterite and wehrlite. Minor dunite and gabbro are present in the northwestern part ofthepluton.Disseminated primary magmatic pyrrhotite, pentlandite, chalcopyrite, magnetite and chromite occur throughout the intrusion....
Publication: CIM Bulletin
Auteur(s): N.D. MACFARLANE, D.J. MOSSMAN
Mots clés: Geology, Nemeiben Lake complex, Ultramafic complexes, Churchill Province, Nickel, Copper, Petrogenesis, La Ronge domain, Rottenstone domain.
Numéro: 837
Volume: 75
Année: 1982
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