2017
DOI: 10.1590/s1517-707620170001.0114
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Avaliação de não conformidades de próteses de quadril fabricadas com ligas de titânio e aço inox

Abstract: RESUMO Um grande número de ligas metálicas apresenta comportamento satisfatório quando usadas na fabricação de implantes para próteses de quadril. Porém, as mesmas devem estar em conformidades com as normatizações, para assegurar sua qualidade por longos períodos e sem perder sua funcionalidade. Portanto, o presente trabalho tem como objetivo estudar as não conformidades de duas próteses de quadril, sendo uma de titânio e outra de aço inoxidável frente às normatizações. As próteses estudadas passaram por análi… Show more

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“…As is widely known, this can induce the formation of martensite and defects such as deformation bands through plastic deformation of the austenite grain, which can decrease its corrosion resistance [27,28]. Moreover, the microstructure was also composed of rounded particles uniformly distributed, probably inclusions resulting from the SS bar manufacturing process [29,30]. Nevertheless, the material exhibited a step structure in the austenite grain boundaries, indicating that the material was not sensitized.…”
Section: Characterizationmentioning
confidence: 99%
“…As is widely known, this can induce the formation of martensite and defects such as deformation bands through plastic deformation of the austenite grain, which can decrease its corrosion resistance [27,28]. Moreover, the microstructure was also composed of rounded particles uniformly distributed, probably inclusions resulting from the SS bar manufacturing process [29,30]. Nevertheless, the material exhibited a step structure in the austenite grain boundaries, indicating that the material was not sensitized.…”
Section: Characterizationmentioning
confidence: 99%