Andrejs Atrens
University of Queensland
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Publication
Featured researches published by Andrejs Atrens.
Materials Science Forum | 2011
Nor Ishida Zainal Abidin; Darren J. Martin; Andrejs Atrens
The corrosion mechanism of Mg alloys in Hank’s solution was elucidated by comparing the corrosion of typical Mg alloys (AZ91, ZE41 and Mg2Zn0.2Mn) and high purity Mg in Hank’s solution at room temperature and in 3% NaCl saturated with Mg(OH)2. Corrosion was characterised by the evolved hydrogen and the surfaces after the immersion tests. Corrosion in Hank’s solution was weakly influenced by microstructure in contrast to corrosion in the 3% NaCl solution, where second phases cause strong micro-galvanic acceleration. This is attributed to the formation of a more protective surface film in Hank’s solution, causing extra resistance between the alpha-Mg matrix and the second phase. The incubation period in Hank’s solution was alloy dependent.
JOM | 1994
Xuezhi Zhang; Andrejs Atrens
A boundary problem arising from rapid solidification with changing conditions at the moving boundary for the classical Stefan problem was solved by combining the heat transfer with crystallization kinetics using a front-tracking finite-difference scheme. At each time step, the conditions at the moving boundary were determined by an iterative process.
Surface Modification of Magnesium and its Alloys for Biomedical Applications#R##N#Volume 1: Biological Interactions, Mechanical Properties and Testing | 2015
Andrejs Atrens
Researchers in this area of biodegradable magnesium (Mg) medical implant applications should understand key aspects of Mg metallurgy and corrosion. Mg has unique features that can lead to misleading or erroneous conclusions. Mg behaviour is different from that of other metals, so there are traps for the unwary. Researchers should consult the prior literature. Extensive references are provided. This chapter focuses on recent developments, under the subheadings: (1) corrosion of Mg alloys, (2) ultra-pure Mg, (3) measurement of Mg corrosion, (4) in vitro and in vivo comparison, (5) Mg corrosion mechanism, and (6) galvanic corrosion. Important points are summarised in the final section.
Archive | 2006
Nicholas Winzer; Guang-Ling Song; Andrejs Atrens; W. Dietzel; C. Blawert
Our recent critical review of the stress corrosion cracking (SCC) of magnesium aims to provide a foundation for the safe and effective use of magnesium alloys, including practical guidelines for the service use of Mg alloys in the atmosphere and/or in contact with aqueous solutions. This is to provide support for the rapidly increasing use of Mg in industrial applications, particularly in the automobile industry. These guidelines should be firmly based on a critical analysis of our knowledge of SCC based on (1) service experience, (2) laboratory testing and (3) understanding of the mechanism of SCC, as well as based on an understanding of the Mg corrosion mechanism.
Journal of Magnesium and Alloys | 2013
Andrejs Atrens; Guang-Ling Song; Fuyong Cao; Zhiming Shi; Patrick K. Bowen
International Journal of Fatigue | 2010
Rongchang Zeng; En-Hou Han; Wei Ke; W. Dietzel; Karl Ulrich Kainer; Andrejs Atrens
Journal of Materials Engineering and Performance | 2015
Keming Liu; Zhengyi Jiang; Haitao Zhou; Deping Lu; Andrejs Atrens; Yanling Yang
Materials and Corrosion-werkstoffe Und Korrosion | 2018
J. McElligott; Zhiming Shi; Yuncang Li; Cuie Wen; Andrejs Atrens
Journal of Biomedical Materials Research Part B | 2018
Sean Johnston; Zhiming Shi; Cherilyn Hoe; Peter J. Uggowitzer; Martina Cihova; Jörg F. Löffler; Matthew S. Dargusch; Andrejs Atrens
Materials Characterization | 2017
Fusheng Pan; Bin Zeng; Bin Jiang; Andrejs Atrens; Hanwu Dong