Powder metallurgical processing of Co-28%Cr-6%Mo for dental implants: Physical, mechanical and electrochemical properties |
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Authors: | Wilson Corrêa Rodrigues Fidel Romel Mallqui Espinoza |
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Affiliation: | Department of Metallurgy, Federal University of Rio Grande do Sul, Porto Alegre, Brazil |
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Abstract: | The parameters for conventional powder-metallurgical production of a CoCrMo alloy for dental implants were determined. With the application of these parameters an alloy with sufficient green density, low porosity after sintering, considerable hardness and spontaneously passive behavior in the Ringer solution can be achieved. The comparison of samples with different sintering temperatures revealed that a slight variation of the sintering temperature can have a considerable effect on the physical, mechanical and electrochemical properties of the alloy. |
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Keywords: | Dental implants Cobalt alloys Powder metallurgy Sintering |
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