Enhanced Corrosion Resistance of Silicone-Coated Stents by Plasma Treatment

• Authors: H. Kim , K. Baik , M. Moon , C. Sung
• Languages of publication: EN

Abstracts

EN

The interfacial bonding of silicone-coated stents was characterized by field emission scanning electron microscopy and anodic potentiodynamic polarization tests. The coaxial in-lens secondary electron imaging revealed partial bonding between silicon rubber and nitinol alloy strips in both primer-treatment and plasma-treatment cases. Several strands between the polymer and stent substrate were observed in both cases and it seems that the bonding strength is the same. However, potentiodynamic polarization tests have shown that the corrosion rates of the plasma-treated nitinol stents were less than half of that of the primer-treated stents, indicating higher corrosion resistance. This enhanced corrosion resistance may be attributed to the modification of the physical properties of the surface of the stents by plasma treatments, making the oxide layer more effective than that of the primer-treated stents.

Keywords

EN

81.65.-b

Discipline

• 81.65.-b: Surface treatments(for surface preparation and lithography in microelectronics, see 85.40.-e)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 129
• Issue: 4
• Pages: 857-860

Dates

published

2016-04

Contributors

author

H. Kim

• Department of Radiology, Seoul National University College of Medicine, SNU-SMG Boramae Medical Center, 20, Boramae-ro 5-gil, Dongjak-gu, Seoul, 156-707, Republic of Korea

author

K. Baik

• Plasma Bioscience Research Center, Kwangwoon University, 20 Kwangwoon-gil, Nowon-Gu, Seoul139-701, Republic of Korea

author

M. Moon

• Department of Radiology, Seoul National University College of Medicine, SNU-SMG Boramae Medical Center, 20, Boramae-ro 5-gil, Dongjak-gu, Seoul, 156-707, Republic of Korea

author

C. Sung

• Department of Radiology, Seoul National University College of Medicine, SNU-SMG Boramae Medical Center, 20, Boramae-ro 5-gil, Dongjak-gu, Seoul, 156-707, Republic of Korea

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Identifiers

DOI

10.12693/APhysPolA.129.857