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Influence of Circumferential Notch and Fatigue Crack on the Mechanical Integrity of Biodegradable Magnesium‐based Alloy in Simulated Body Fluid by M. Bobby Kannan; R.K. Singh Raman; F. Witte; C. Blawert; W. Dietzel is a Medicine article available to read on EtoBox.

What is Influence of Circumferential Notch and Fatigue Crack on the Mechanical Integrity of Biodegradable Magnesium‐based Alloy in Simulated Body Fluid about?

## Abstract Applications of magnesium alloys as biodegradable orthopaedic implants are critically dependent on the mechanical integrity of the implant during service. In this study, the mechanical integrity of an AZ91 magnesium alloy was studied using a constant extension rate tensile (CERT) method. The samples in two different geometries that is, circumferentially notched (CN), and circumferentially notched and fatigue cracked (CNFC), were tested in air and in simulated body fluid (SBF). The test results show that the mechanical integrity of the AZ91 magnesium alloy decreased substantially (∼50%) in both the CN and CNFC samples exposed to SBF. Fracture surface analysis revealed secondary cracks suggesting stress corrosion cracking susceptibility of the alloy in SBF. © 2010 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2011.

Who reads Influence of Circumferential Notch and Fatigue Crack on the Mechanical Integrity of Biodegradable Magnesium‐based Alloy in Simulated Body Fluid?

Author

M. Bobby Kannan; R.K. Singh Raman; F. Witte; C. Blawert; W. Dietzel

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1552-4973)

Published

2010

Language

EN

Field

Medicine (Health Sciences)