Comparative evaluation of the effect of simulated porcelain firing cycle on the mechanical properties and microstructure of base metal ceramic alloys.

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dc.contributor.authorSingla, Aen_US
dc.contributor.authorShetty, Pen_US
dc.contributor.authorJoseph, Men_US
dc.contributor.authorKotian, Ren_US
dc.contributor.authorSingh, Aen_US
dc.contributor.authorKotain, Ren_US
dc.date.accessioned2009-05-28T07:37:31Z
dc.date.available2009-05-28T07:37:31Z
dc.date.issued1999-10-24en_US
dc.description.abstractA comparison of mechanical properties and microstructure of four metal ceramic alloys in as-cast and heat-treated conditions resulted in significant differences. The alloys that were tested included two nickel-based and two cobalt-based metal ceramic alloys. Mechanical properties tested included strength, percent elongation and hardness. Ten tensile bars were cast for each alloy. Five of the ten bars for each alloy were randomly selected for heat treatment with the simulated porcelain firing cycle. Results indicated that the nickel-based alloys were weakened by the heat treatment and showed a decreased hardness and an increased elongation. The effects of heat treatment on the strength of cobalt-based alloys were variable, showing an increase in hardness and a decrease in elongation. Differences in mechanical properties exhibited by the alloys were related to compositional and microstructural changes.en_US
dc.description.affiliationDepartment of Prosthodontics and Maxillofacial Prosthetics College of Dental Surgery, Mangalore, India.en_US
dc.identifier.citationSingla A, Shetty P, Joseph M, Kotian R, Singh A, Kotain R. Comparative evaluation of the effect of simulated porcelain firing cycle on the mechanical properties and microstructure of base metal ceramic alloys. Indian Journal of Dental Research. 1999 Oct-Dec; 10(4): 122-9en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/51426
dc.language.isoengen_US
dc.source.urihttps://www.ijdr.inen_US
dc.subject.meshAnalysis of Varianceen_US
dc.subject.meshCobalten_US
dc.subject.meshDental Casting Techniqueen_US
dc.subject.meshElasticityen_US
dc.subject.meshHardnessen_US
dc.subject.meshHot Temperatureen_US
dc.subject.meshMaterials Testingen_US
dc.subject.meshMetal Ceramic Alloys --chemistryen_US
dc.subject.meshNickelen_US
dc.subject.meshTensile Strengthen_US
dc.titleComparative evaluation of the effect of simulated porcelain firing cycle on the mechanical properties and microstructure of base metal ceramic alloys.en_US
dc.typeComparative Studyen_US
dc.typeJournal Articleen_US
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