Results 131 to 140 of about 4,860 (224)
Research on low density thermal insulation materials for use above 3000 deg f fourth quarterly status report, oct. 1 - dec. 31, 1964 [PDF]
Zirconium oxide polycrystalline fibers for improving structural rigidity and thermal insulation of zirconium oxide ...
Styhr, K. H.
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Effect of surface conditioning methods on the bond strength of luting cement to ceramics [PDF]
, 2003 Objectives. This study evaluated the effect of three different surface conditioning methods on the bond strength of a Bis-GMA based luting cement to six commercial dental ceramics. Methods.
Ozcan, M +3 more
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Translucency of monolithic and core zirconia after hydrothermal aging
Acta Biomaterialia Odontologica Scandinavica, 2015 Objective: To evaluate the hydrothermal aging effect on the translucency of partially stabilized tetragonal zirconia with yttria (Y-TZP) used as monolithic or fully milled zirconia and of core type. Methods: Twenty disc-shaped specimens (1 and 10 mm) for each type of monolithic and core Y-TZP materials were milled and sintered according to the ...
Fathy, Salma M. +3 more
openaire +2 more sources
Brazilian Dental ScienceObjective: This in vitro study evaluated the translucency and polymerization light transmission of zirconia discs, produced from different generations of dental zirconia materials and with a consideration of varying thicknesses.
Ra'fat Farah
doaj +1 more source
Thermal resistant environmental barrier coating [PDF]
, 2010 A process for preparing a silicon based substrate with a protective coating having improved thermal resistance at temperature up to at least 1500.degree.
Bhatia, Tania +3 more
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Annali di StomatologiaThe aim of this study is to determine the effect of an etching material which is the compound of nitric acid-hydrofluoric acid as a pretreatment agent on the shear bond strength of resin cement to two different types of zirconia and comparing it with air
Farah I. Tahan +5 more
doaj +1 more source
The effect of zirconia sintering temperature on flexural strength, grain size, and contrast ratio [PDF]
, 2018 Objective: This study investigated the effect of sintering temperatures on flexural strength, contrast ratio, and grain size of zirconia. Materials and Methods: Zirconia specimens (Ceramill ZI, Amann Girrbach) were prepared in partially sintered state ...
Ender, Andreas +5 more
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Thermal Properties of Oxides With Magnetoplumbite Structure for Advanced Thermal Barrier Coatings [PDF]
, 2007 Oxides having magnetoplumbite structure are promising candidate materials for applications as high temperature thermal barrier coatings because of their high thermal stability, high thermal expansion, and low thermal conductivity.
Bansal, Narottam P. +2 more
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The Journal of Indian Prosthodontic SocietyAim: Studies have not been done to evaluate the peri-implant stress exerted by materials(like PEEK and resin matrix ceramics) in different osseointegration conditions.
Dhanasekaran Thirumaran +3 more
doaj +1 more source
Investigation of the kinetics of crystallization of molten binary and ternary oxide systems Quarterly status report, 1 Mar. - 30 Nov. 1968 [PDF]
Glass composition preparation and research on crystallization kinetics of molten binary and ternary oxide systems of ...
Bacon, J. F., Graf, R. B.
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