The present research looked at a passivation method for polished nitinol based implant and stent component after a standard heat setting treatment. Passivation of heat-treated samples in a nitric acid solution was followed by a series of corrosion tests, surface examination, and chemical analysis. The enhancement in corrosion resistance is suggested by a chemical study of passivation solutions. After prolonged immersion in saline solution, the enhanced corrosion resistance is maintained. The chemical treatment leads to a protective oxide layer that is less likely to chemically react with air and cause corrosion. On an implant surface that has undergone chemical cleaning, the chemical treatment that will hasten the creation of the passive coating must be performed. The surfaces of the passivated components must be chemically clean, and a visual inspection must reveal no etching, pitting, or freezing. The chemical passivation process stops the surface's corrosion from its path. A passivation treatment using 10 - 60% nitric acid at 80 - 90°C for 20 min has been successfully applied to mechanically polished nitinol, after a typical shape setting heat treatment. The process undergoes till the color of the nitinol implant changes from violet blue to polished white.
| Published in | World Journal of Applied Chemistry (Volume 7, Issue 3) |
| DOI | 10.11648/j.wjac.20220703.12 |
| Page(s) | 73-78 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Chemical Passivation, Nitinol Stent, Nitric Acid Solution
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APA Style
Dr. Pramod Kumar Minocha, Kothwala Deveshkumar Mahendralal, Durani Mohamadovesh Mohamadyasin, Tamboli Prasadkumar Sunilbhai. (2022). Effect of Chemical Passivation on Nitinol Based Implant. World Journal of Applied Chemistry, 7(3), 73-78. https://doi.org/10.11648/j.wjac.20220703.12
ACS Style
Dr. Pramod Kumar Minocha; Kothwala Deveshkumar Mahendralal; Durani Mohamadovesh Mohamadyasin; Tamboli Prasadkumar Sunilbhai. Effect of Chemical Passivation on Nitinol Based Implant. World J. Appl. Chem. 2022, 7(3), 73-78. doi: 10.11648/j.wjac.20220703.12
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Download@article{10.11648/j.wjac.20220703.12,
author = {Dr. Pramod Kumar Minocha and Kothwala Deveshkumar Mahendralal and Durani Mohamadovesh Mohamadyasin and Tamboli Prasadkumar Sunilbhai},
title = {Effect of Chemical Passivation on Nitinol Based Implant},
journal = {World Journal of Applied Chemistry},
volume = {7},
number = {3},
pages = {73-78},
doi = {10.11648/j.wjac.20220703.12},
url = {https://doi.org/10.11648/j.wjac.20220703.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.wjac.20220703.12},
abstract = {The present research looked at a passivation method for polished nitinol based implant and stent component after a standard heat setting treatment. Passivation of heat-treated samples in a nitric acid solution was followed by a series of corrosion tests, surface examination, and chemical analysis. The enhancement in corrosion resistance is suggested by a chemical study of passivation solutions. After prolonged immersion in saline solution, the enhanced corrosion resistance is maintained. The chemical treatment leads to a protective oxide layer that is less likely to chemically react with air and cause corrosion. On an implant surface that has undergone chemical cleaning, the chemical treatment that will hasten the creation of the passive coating must be performed. The surfaces of the passivated components must be chemically clean, and a visual inspection must reveal no etching, pitting, or freezing. The chemical passivation process stops the surface's corrosion from its path. A passivation treatment using 10 - 60% nitric acid at 80 - 90°C for 20 min has been successfully applied to mechanically polished nitinol, after a typical shape setting heat treatment. The process undergoes till the color of the nitinol implant changes from violet blue to polished white.},
year = {2022}
}
TY - JOUR T1 - Effect of Chemical Passivation on Nitinol Based Implant AU - Dr. Pramod Kumar Minocha AU - Kothwala Deveshkumar Mahendralal AU - Durani Mohamadovesh Mohamadyasin AU - Tamboli Prasadkumar Sunilbhai Y1 - 2022/08/05 PY - 2022 N1 - https://doi.org/10.11648/j.wjac.20220703.12 DO - 10.11648/j.wjac.20220703.12 T2 - World Journal of Applied Chemistry JF - World Journal of Applied Chemistry JO - World Journal of Applied Chemistry SP - 73 EP - 78 PB - Science Publishing Group SN - 2637-5982 UR - https://doi.org/10.11648/j.wjac.20220703.12 AB - The present research looked at a passivation method for polished nitinol based implant and stent component after a standard heat setting treatment. Passivation of heat-treated samples in a nitric acid solution was followed by a series of corrosion tests, surface examination, and chemical analysis. The enhancement in corrosion resistance is suggested by a chemical study of passivation solutions. After prolonged immersion in saline solution, the enhanced corrosion resistance is maintained. The chemical treatment leads to a protective oxide layer that is less likely to chemically react with air and cause corrosion. On an implant surface that has undergone chemical cleaning, the chemical treatment that will hasten the creation of the passive coating must be performed. The surfaces of the passivated components must be chemically clean, and a visual inspection must reveal no etching, pitting, or freezing. The chemical passivation process stops the surface's corrosion from its path. A passivation treatment using 10 - 60% nitric acid at 80 - 90°C for 20 min has been successfully applied to mechanically polished nitinol, after a typical shape setting heat treatment. The process undergoes till the color of the nitinol implant changes from violet blue to polished white. VL - 7 IS - 3 ER -
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