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Microtensile strain on the corrosion performance of diamond-like carbon coating.
J Biomed Mater Res A. 2008 Jun 01; 85(3):808-14.JB

Abstract

Hydrogenated diamond-like carbon films (a-C:H DLC) were deposited on STS 304 substrates for the fabrication of vascular stents by means of the r.f. plasma-assisted chemical vapor deposition technique. This study provides reliable and quantitative data for the assessment of the effect of strain on the corrosion performance of DLC-coated systems in the simulated body fluid obtained through electrochemical techniques (potentiodynamic polarization test and electrochemical impedance spectroscopy) and surface analysis (scanning electron microscopy). The electrolyte used in this test was 0.89% NaCl solution at pH 7.4 and 37 degrees C. It was found that the corrosion resistance of the plastically deformed DLC coating was insufficient for use as a protective film in a corrosive body environment. This is due to the increase in the delamination area and degradation of the substrate's corrosion properties with increasing tensile deformation.

Authors+Show Affiliations

Department of Advanced Materials Engineering, Sungkyunkwan University, 300 Chunchun-Dong, Jangan-Gu, Suwon 440-746, Korea.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17896779

Citation

Lee, Seung-Hwan, et al. "Microtensile Strain On the Corrosion Performance of Diamond-like Carbon Coating." Journal of Biomedical Materials Research. Part A, vol. 85, no. 3, 2008, pp. 808-14.
Lee SH, Kim JG, Choi HW, et al. Microtensile strain on the corrosion performance of diamond-like carbon coating. J Biomed Mater Res A. 2008;85(3):808-14.
Lee, S. H., Kim, J. G., Choi, H. W., & Lee, K. R. (2008). Microtensile strain on the corrosion performance of diamond-like carbon coating. Journal of Biomedical Materials Research. Part A, 85(3), 808-14.
Lee SH, et al. Microtensile Strain On the Corrosion Performance of Diamond-like Carbon Coating. J Biomed Mater Res A. 2008 Jun 1;85(3):808-14. PubMed PMID: 17896779.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Microtensile strain on the corrosion performance of diamond-like carbon coating. AU - Lee,Seung-Hwan, AU - Kim,Jung-Gu, AU - Choi,Heon-Woong, AU - Lee,Kwang-Ryeol, PY - 2007/9/28/pubmed PY - 2008/7/9/medline PY - 2007/9/28/entrez SP - 808 EP - 14 JF - Journal of biomedical materials research. Part A JO - J Biomed Mater Res A VL - 85 IS - 3 N2 - Hydrogenated diamond-like carbon films (a-C:H DLC) were deposited on STS 304 substrates for the fabrication of vascular stents by means of the r.f. plasma-assisted chemical vapor deposition technique. This study provides reliable and quantitative data for the assessment of the effect of strain on the corrosion performance of DLC-coated systems in the simulated body fluid obtained through electrochemical techniques (potentiodynamic polarization test and electrochemical impedance spectroscopy) and surface analysis (scanning electron microscopy). The electrolyte used in this test was 0.89% NaCl solution at pH 7.4 and 37 degrees C. It was found that the corrosion resistance of the plastically deformed DLC coating was insufficient for use as a protective film in a corrosive body environment. This is due to the increase in the delamination area and degradation of the substrate's corrosion properties with increasing tensile deformation. SN - 1552-4965 UR - https://www.unboundmedicine.com/medline/citation/17896779/Microtensile_strain_on_the_corrosion_performance_of_diamond_like_carbon_coating_ L2 - https://doi.org/10.1002/jbm.a.31597 DB - PRIME DP - Unbound Medicine ER -