Results 261 to 270 of about 11,329 (302)
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Metal Ceramic Bond After Multiple Castings of Base Metal Alloy
The Journal of Prosthetic Dentistry, 2009Remelting previously cast metal can produce a critical change in metal-oxide composition at the dental alloy surface.The purpose of this study was to evaluate the effect of multiple castings on bonding of a single selected base metal and a dental ceramic, and to compare results from shear bond and 3-point-bending tests.Three groups of dental alloy ...
Ucar Y., Aksahin Z., Kurtoglu C.
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Applications of laser for ceramic alloying on metallic surfaces
Il Nuovo Cimento D, 1989Ceramic and metallic materials were alloyed and cladded on a C40 steel by means of a CO2 laser heat source. The main objectives of the research were to obtain a surface modification of the C40 steel in order to increase its wear resistance and to develop a repeatable coating process of potential industrial application.
D. Cruciani +4 more
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[Alloys for metal-ceramics 3].
Practica odontologica, 1991A wide variety of restoration materials for prosthetic odontology is now available to the dental surgeon, either of the covalent type (acrylic resins), metallic (alloys), ionic (porcelains), or a combination of them, as in the so-called composites, such as the composite resins, or as ceramics-metals mixtures.
M A, Quintero Englembright +2 more
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Interaction of metals and alloys with silicon-based ceramics
Journal of Materials Science, 1976Silicon-based ceramics have been found to interact chemically with a number of metals and alloys when the materials were placed in physical contact in air at temperatures in the vicinity of 1000‡ C. Among the reaction products found after 100 h were silicides, silicates and carbides and the severity of the interaction depended on the temperature and ...
R. L. Mehan, D. W. Mckee
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Sealing Metal and Ceramic Parts by Forming Reactive Alloys
IRE Transactions on Component Parts, 1956Metal and ceramic parts are sealed by introducing a molten solder or by inserting a thin sheet of metal that will form a reactive alloy. A wide choice of materials can be used, including many that seal at high temperatures with little metallic evaporation.
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Some aspects of non‐precious metal alloys for ceramic restorations
Australian Dental Journal, 1977Abstract— Comment is made regarding the cost, related to working properties, of non‐precious metal alloys compared to precious metal alloys for ceramics and their possible potential for the production of allergic response.
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Surface and Coatings Technology, 2017
Abstract The paper presents results concerning microstructure and mechanical properties of the metal/ceramic and ceramic/ceramic multilayer coatings obtained on Ti6Al4V alloy by the PVD (Physical Vapour Deposition) vacuum arc method. During the work Cr/CrN, Ti/TiN and CrN/TiN multilayer coatings were deposited with the similar total thickness but a ...
P. Wiecinski +5 more
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Abstract The paper presents results concerning microstructure and mechanical properties of the metal/ceramic and ceramic/ceramic multilayer coatings obtained on Ti6Al4V alloy by the PVD (Physical Vapour Deposition) vacuum arc method. During the work Cr/CrN, Ti/TiN and CrN/TiN multilayer coatings were deposited with the similar total thickness but a ...
P. Wiecinski +5 more
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Tensile ductility of superplastic ceramics and metallic alloys
Acta Metallurgica et Materialia, 1991Superplastic ceramics and metallic alloys exhibit different trends in tensile ductility in the range where the strain-rate-sensitivity exponent, m, is high (m⩾0.5). The tensile ductility of superplastic metallic alloys (e.g. fine-grained zinc, aluminium, nickel and titanium alloys) is primarily a function of the strain-rate-sensitivity exponent.
Woo-jin Kim, J. Wolfenstine, O.D. Sherby
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Evaluation of soldered connectors of two base metal ceramic alloys
The Journal of Prosthetic Dentistry, 1994Soldered connectors for two base metal ceramic alloys (nickel-chromium and cobalt-chromium) were compared by use of four different techniques: (1) infrared preceramic soldering, (2) gas and oxygen preceramic soldering, (3) porcelain furnace postsoldering under vacuum, and (4) porcelain furnace postsoldering without vacuum.
M A, Lima Verde, R S, Stein
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Brazing Alloy Design for Metal/Ceramic Joints
2008Etude de l'assemblage des ceramiques par brasage et choix de l'alliage utilise. Les resultats d'essais de mouillage sur le nitrure de silicium montrent que Ti et Zr sont des additifs interessants pour ces alliages. On presente les resultats de l'analyse microstructurale, de la MEB et de l'analyse par microsonde electronique des echantillons ...
Rakesh R. Kapoor, Thomas W. Eagar
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