NDLI: Control of Surface Degradation on Biodegradable Magnesium Alloys by Plasma-Based Technology

Content Provider	IEEE Xplore Digital Library
Author	Chu, P.K.
Copyright Year	1973
Abstract	Despite the tremendous potential of biodegradable magnesium alloys in surgical implants, the intrinsic degradation rates of Mg-based biomedical implants may be too fast in the physiological environment, particularly in the early stage after surgery. This shortcoming has been hampering wider clinical applications. In this respect, surface modification by plasma-based techniques is a good means to tailor the surface structure and degradation rate of magnesium alloys. The work conducted in the Plasma Laboratory of the City University of Hong Kong in the past two to three years in this area is summarized and discussed in a chronological order in this paper. Different physiologically important elements such as aluminum, titanium, oxygen, zinc, and chromium have been plasma implanted into various biomedical magnesium alloys to alter the surface chemistry and corrosion behavior. This paper discusses the roles played by these plasma-implanted elements and the subsequent effects pertaining to the control of surface degradation from the perspective of orthopedic and cardiovascular applications.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	725
Ending Page	730
Page Count	6
File Size	1012927
File Format	PDF
ISSN	00933813
Volume Number	41
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnesium Corrosion Degradation Ion implantation Plasmas Current density surface corrosion Biomedical magnesium alloys plasma immersion ion implantation (PIII) and deposition
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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