NDLI: Corrosion Properties of Nanocrystalline Co

Content Provider	Springer Nature Link
Author	Cheng, D. Tellkamp, V. L. Lavernia, C. J. Lavernia, E. J.
Copyright Year	2001
Abstract	Nanocrystalline and conventional Co–Cr (ASTM F75) coatings were prepared by plasma spraying for possible orthopedic implant applications. Scanning electron microscopy and transmission electron microscopy were used to study the macrostructure and microstructure of the resultant sprayed coatings. The corrosion resistance was characterized by an in vitro potentiodynamic anodic polarization technique in a pseudophysiological solution. The nanocrystalline coating has higher porosity, lower corrosion current density, and less localized damage than that of the conventional one, demonstrating better application potential for orthopedic implants. A change in the atomic compositional difference between the grain interior and the grain boundary, the presence of residual strain in the grain interiors, and a change in the repassivation kinetics are discussed as possible explanations for the enhanced corrosion behavior observed. © 2001 Biomedical Engineering Society. PAC01: 8165Kn, 8115Rs, 6146+w, 8780Rb, 6855-a, 5277Fv, 6837Hk, 8764Ee, 8107Bc, 6172Mm, 6837Lp
Starting Page	803
Ending Page	809
Page Count	7
File Format	PDF
ISSN	00906964
Journal	Annals of Biomedical Engineering
Volume Number	29
Issue Number	9
e-ISSN	15739686
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2001-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biochemistry Mechanics Biophysics/Biomedical Physics Vibration, Dynamical Systems, Control Biomedical Engineering
Content Type	Text
Resource Type	Article
Subject	Biomedical Engineering

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