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The Effect of Heat Treatment and Mechanical Polishing on Nitinol Stent

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Academic year: 2021

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Fig. 2. Mechanical polishing machine and walnut granules.
Fig. 5. Light Microscopy showing the nitinol wire surface after 2, 4, 6, 8 hours of mechanical polishing.
Fig. 6. SEM photographs showing the effect of mechanical polishing on niti-nol wire surface
Fig. 8. Light microscopy showing the incompleteness of me- me-chanical polishing. The blue color of TiO 2 layer remains after mechanical polishing, because the granules cannot gain access to the wire crossing point (arrow)

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