Magnetic polishing of titanium-nickel alloy stents: Surface characterization and catheter deployment test

Publication Type:
Journal Article
Citation:
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 2012, 43 (9), pp. 3006 - 3010
Issue Date:
2012-09-01
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We report here for the first time the use of magnetic polishing to improve the surface finish of titaniumnickel (TiNi) stents for better performance. We investigated the effects of polishing time and rotational speed on the average surface roughness, surface chemical contents, and push-out load of stents. The magnetically polished stents show a decrease of 2.3 to 17.9 pct in surface roughness and a lower push-out load for stent deployment from the catheter. © The Mineral, Metals & Materials Society and ASM International 2012.
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