Plasma spray forming of coatings and parts

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Mots clés : Industrial minerals;Plasma spray;Protective coatings;Corrosion resistance;Coatings;Thermal barrier
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Texte
Sommaire: The presently increasing world-wide interest in advanced ceramic materials is generally focussed on their exploitation in both structural and functional applications. With the opportunity to engineer microstructures and thereby closely control and tailor the final properties, there are many new applications being made for these materials in both areas.
The scope and some of the applications for functional ceramics are reviewed and examples of the present Canadian activity in this field are...
Publication: CIM Bulletin
Auteur(s): T.A. WHEAT
Mots clés: Industrial minerals, Ceramics, Structural ceramics, Functional ceramics, Optical fibre, Marketing, Research and development.
Numéro: 900
Volume: 80
Année: 1987
Texte
Sommaire: Au cours de dix dernieres annees, la compagnie Maghemite a developpt, experiment^ et brevete un nouveau precede de concentration du mineral de fer a partir de la recuperation d'hematite presents au bassiii de sedimentation de la Compagnie Miniere Quebec Cartier.
A partir de cette nouvelle technologic de concentration par induction, la compagnie Maghemite produit une poudre d'hematite qui est melangee avec du strontium carbonate a un ratio de 1 a 6 en poids. Le melange homogene est achemine...
Publication: CIM Bulletin
Auteur(s): DENIS LANDRY
Mots clés: Minereaux industriels, Poudre de ferrite, Strontium, Maghemite Inc., Compagnie Miniere Quebec Cartier.
Numéro: 900
Volume: 80
Année: 1987
Texte
Sommaire: Ontario enjoys the advantage of its proximity to the large industrial market of northeastern North America. Together with Quebec and fifteen nearby U.S. states, an industrial base of more than half the total for both countries is provided by a population of 100 million.
Mineral fillers such as barite, calcium carbonate, kaolin, mica, silica and talc are of major importance in the manufacture of paper, paint, plastics, rubber, vinyl tile, carpet backing, putty, caulks, sealants and adhesives....
Publication: CIM Bulletin
Auteur(s): G.ROBERT GUILLET
Mots clés: Industrial minerals, Fillers, Extenders, Elastomer.
Numéro: 900
Volume: 80
Année: 1987
Texte
Sommaire: Bench-scale batch milling and screening tests were carried out on secondary aluminum dross to produce an aluminum concentrate. To complement these tests, an analysis of a commercial plant was also performed by sampling dross at various stages in the plant's milling and screening circuit. These studies have indicated that benefits of increased capacity, grade and recovery of aluminum metal can be realized by addition of screens before the ball mill, longer grinding period and by grinding the...
Publication: CIM Bulletin
Auteur(s): K.J. FAIR, J.M. TOGURI, H.W. SMITH, D.R. FRANCIS
Mots clés: Metallurgy, Aluminum dross, Milling, Grinding circuit, Comminution.
Numéro: 900
Volume: 80
Année: 1987
Texte
Sommaire: In cooperation with le Ministere de I'Energie et des ressources, Quebec, le Centre de Recherches minerales, Sainte-Foy, Quebec, and various silica producers, selected deposits of Quebec silica were identified in the southern region of the province and sampled to provide material for evaluation as glass and foundry sand by CANMET. The samples included both sandstone and quartz/quartzite. Head sample analyses ranged from 94.66% to 99.54% SiO2,  0.038% to 0.230% Fe2O3, and 0.16% to 4.51%...
Publication: CIM Bulletin
Auteur(s): VINCENT JOURDAIN, DENIS W. ROY, JEAN-MARC SIMARD
Mots clés: Industrial minerals, Silica, Glass sand, Foundry sand, Crushing, Grinding, Magnetic separation, Flotation
Numéro: 900
Volume: 80
Année: 1987
Texte
Sommaire: In today's marketplace, heavy competition between materials is the norm. This is particularly true for the base metals, which are being increasingly challenged by new or improved materials in all traditional applications. Current usage of base metals results from a combination of a metal's intrinsic properties, and technology. The future of the base metal industry rests with innovative, high-quality product development, its ability to take advantage of the results of worldwide, massive...
Publication: CIM Bulletin
Auteur(s): E. GERVAIS
Mots clés: Metallurgy, Zinc alloys, Zinc, Metals industry, Markets, Research and development.
Numéro: 900
Volume: 80
Année: 1987
Texte
Sommaire: Exploration work in the Beardmore - Tashota area has led to a reinterpretation of relationships between gold mineralization and the geological evolution of the area. The host volcanic rocks form two parallel volcanic belts connected by a much smaller cross-cutting band, which trends northeast from Beardmore to Tashota. This connecting band consists of mafic and felsic volcanic, plus clastic sedimentary rocks in a sequence conformable with the contact of the Onaman Lake Batholith to the east....
Publication: CIM Bulletin
Auteur(s): DEREK E. McBRIDE
Mots clés: Gold mineralization, Geological evolution, Mineralization, Beardmore - Tashota area, Economic geology, Exploration.
Numéro: 900
Volume: 80
Année: 1987
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