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In vitro dynamic degradation behavior of new magnesium alloy for orthopedic applications
- Authors
- Yang, Gui-Fu; Kim, Yu-Chan; Han, Hyung-Seop; Lee, Gwang-Chul; Seok, Hyun-Kwang; Lee, Jae-Chul
- Issue Date
- May-2015
- Publisher
- WILEY
- Keywords
- magnesium; zinc; SEM; mechanical properties; biodegradation
- Citation
- JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS, v.103, no.4, pp.807 - 815
- Indexed
- SCIE
SCOPUS
- Volume
- 103
- Number
- 4
- Start Page
- 807
- End Page
- 815
- ISSN
- 1552-4973
- Abstract
- We report on methodologies for use in the design of a biodegradable Mg alloy appropriate for load-bearing but temporary orthopedic implant applications. Comparative studies of Mg-5Ca and Mg-5Ca-1Zn were conducted to explore the effects of a combination of minor alloying and hot extrusion, on the alloy's mechanical properties and corrosion resistance. The extruded Mg-5Ca-1Zn exhibited high ultimate compressive strength of 385 MPa and suffered no significant structural degradation even after immersion in simulated body fluid for 30 days. Mg-5Ca-1Zn alloy showed the mechanical strength and controlled corrosion rate to be considered as an ideal candidate for biodegradable orthopedic implant material. (c) 2014 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 103B: 807-815, 2015.
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Related Researcher
- Lee, Jae chul
- 공과대학 (Department of Materials Science and Engineering)