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      Mechanical properties of dental Ti-Ag alloys with 22.5, 25, 27.5, and 30 mass% Ag.

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          Abstract

          The mechanical properties -tensile strength, yield strength, elongation after fracture, Vickers hardness, and Young's modulus-and the phases of Ti-Ag alloys were investigated, as prepared with 22.5, 25, 27.5, and 30 mass% Ag. The tensile strength, yield strength, hardness, and Young's modulus of the alloys increase with their Ag content up to 25 mass%, but their breaking elongation decreases. These changes in the mechanical properties are attributed to solid-solution strengthening of the α-titanium phase, to Ti2Ag precipitation, and to the formation of eutectic structures composed of α+Ti2Ag. The addition of Ag, at 25 mass% in particular, improves the mechanical properties of these alloys, making them suitable for high strength dental prostheses, such as implantretained superstructures and narrow-diameter implants.

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          Author and article information

          Journal
          Dent Mater J
          Dental materials journal
          Japanese Society for Dental Materials and Devices
          1881-1361
          0287-4547
          2015
          : 34
          : 4
          Affiliations
          [1 ] Division of Dental Biomaterials, Tohoku University Graduate School of Dentistry.
          Article
          10.4012/dmj.2015-075
          26235716
          596b6d92-018a-4107-be30-eb7274bf2829
          History

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