Characterization of oxide structures on stainless steel sternal wires by electrochemical reduction

Yea Yang Su, Chun Che Shih, Lung Ching Chen, Chun Ming Shih, Shing Jong Lin

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Different oxide structures can be formed on passive stainless steel sternal wires by various surface modifications. Oxide structure has a significant influence on the efficacy and biocompatibility of the medical devices. In this study, cathodic reduction was used to distinguish the oxide structures on 316L stainless steel sternal wires in a buffered phosphate electrolyte. TEM, Auger depth profile, XPS, and SEM were applied to examine the oxide structures. Interfacial resistance was measured using electrochemical impedance spectroscopy. Results indicate that cathodic reduction profiles have the capability to identify oxide structures on the passivated medical devices.

Original languageEnglish
Pages (from-to)2869-2875
Number of pages7
JournalApplied Surface Science
Volume258
Issue number7
DOIs
Publication statusPublished - Jan 15 2012

Fingerprint

Stainless Steel
Oxides
Stainless steel
Wire
Electrochemical impedance spectroscopy
Biocompatibility
Electrolytes
Surface treatment
Phosphates
X ray photoelectron spectroscopy
Transmission electron microscopy
Scanning electron microscopy

Keywords

  • Stainless steel
  • Surface analysis
  • Surface modification

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

Cite this

Characterization of oxide structures on stainless steel sternal wires by electrochemical reduction. / Su, Yea Yang; Shih, Chun Che; Chen, Lung Ching; Shih, Chun Ming; Lin, Shing Jong.

In: Applied Surface Science, Vol. 258, No. 7, 15.01.2012, p. 2869-2875.

Research output: Contribution to journalArticle

Su, Yea Yang ; Shih, Chun Che ; Chen, Lung Ching ; Shih, Chun Ming ; Lin, Shing Jong. / Characterization of oxide structures on stainless steel sternal wires by electrochemical reduction. In: Applied Surface Science. 2012 ; Vol. 258, No. 7. pp. 2869-2875.
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