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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 117-119Property Investigation on a Precious Ceramic Alloy

Property Investigation on a Precious Ceramic Alloy

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Abstract:

Experiment investigation of mechanical, physical, and biological properties on a dental precious alloy was performed. The density of the alloy is 12.04 g/cm³, the solidus temperature is 1144.5 °C and the liquidus temperature is 1283.5 °C. The coefficient of thermal expansion of the alloy is 14.84×10^-6 /°C between 25 °C to 500 °C. The average 0.2% yield strength is greater than 400MPa, and the average percentage elongation after fracture is greater than 4%. The average bonding strength of the metal-ceramic is 41.93 MPa, much greater than the standard requirement. The biocompatibility of the alloy is excellent, there are no cytotoxicity reactivity, sensitization, irritation, mutagenicity and short-term systemic toxicity. The alloy is a superior dental alloy with excellent mechanical, physical and biological performance.

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Materials and Computational Mechanics

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Periodical:

Applied Mechanics and Materials (Volumes 117-119)

Pages:

1156-1159

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.117-119.1156

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Online since:

October 2011

Authors:

Heng Jin Zhang, Ke Fu Liu, Wei Dong Miao

Keywords:

Biocompatibility, Mechanical Property, Physical Properties, Precious Ceramic Alloy

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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