2022
DOI: 10.1007/s40830-022-00366-1
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Effects of Nitinol Microstructural Purity on Localized and Uniform Corrosion Susceptibility

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Cited by 6 publications
(2 citation statements)
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“…To assess general corrosion susceptibility and metal ion release, the FDA recommendations include testing per the American Standard of Testing and Materials (ASTM) F2129-08 (Standard Test Method for Conducting Cyclic Potentiodynamic Polarization Measurements to Determine the Corrosion Susceptibility of Small Implant Devices), the ASTM F3306-19 (Standard Test Method for Ion Release Evaluation of Medical Implants), and the ASTM G31-72(2004) (Standard Practice for Laboratory Immersion Corrosion Testing of Metals) . Various studies have investigated the corrosion resistance and metal ion release from nitinol stent-based devices. Specifically, Sullivan et al studied the effect of oxide layer composition in nitinol stents manufactured by various processing methods and suggested strong correlations between the layer thickness and cumulative Ni release. Nagaraja et al tested generic heart valve frames manufactured with different vacuum arc remelting methods and surface finishes and showed that the localized and uniform corrosion performance is maintained in higher microstructural nitinol purity.…”
Section: Introductionmentioning
confidence: 99%
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“…To assess general corrosion susceptibility and metal ion release, the FDA recommendations include testing per the American Standard of Testing and Materials (ASTM) F2129-08 (Standard Test Method for Conducting Cyclic Potentiodynamic Polarization Measurements to Determine the Corrosion Susceptibility of Small Implant Devices), the ASTM F3306-19 (Standard Test Method for Ion Release Evaluation of Medical Implants), and the ASTM G31-72(2004) (Standard Practice for Laboratory Immersion Corrosion Testing of Metals) . Various studies have investigated the corrosion resistance and metal ion release from nitinol stent-based devices. Specifically, Sullivan et al studied the effect of oxide layer composition in nitinol stents manufactured by various processing methods and suggested strong correlations between the layer thickness and cumulative Ni release. Nagaraja et al tested generic heart valve frames manufactured with different vacuum arc remelting methods and surface finishes and showed that the localized and uniform corrosion performance is maintained in higher microstructural nitinol purity.…”
Section: Introductionmentioning
confidence: 99%
“…Various studies have investigated the corrosion resistance and metal ion release from nitinol stent-based devices. Specifically, Sullivan et al studied the effect of oxide layer composition in nitinol stents manufactured by various processing methods and suggested strong correlations between the layer thickness and cumulative Ni release. Nagaraja et al tested generic heart valve frames manufactured with different vacuum arc remelting methods and surface finishes and showed that the localized and uniform corrosion performance is maintained in higher microstructural nitinol purity.…”
Section: Introductionmentioning
confidence: 99%