Ionic liquid pretreatment as a means to control the corrosion behavior of magnesium alloys in simulated body fluid

Zhang, Yafei, Forsyth, Maria, Hinton, Bruce and Moulton, Simon E. 2012, Ionic liquid pretreatment as a means to control the corrosion behavior of magnesium alloys in simulated body fluid, in ACA Corrosion & Prevention 2012 : Proceedings of the Annual Australasian Corrosion Association Conference, Australasian Corrosion Association, [Melbourne, Vic.], pp. 1-8.

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Title Ionic liquid pretreatment as a means to control the corrosion behavior of magnesium alloys in simulated body fluid
Author(s) Zhang, Yafei
Forsyth, Maria
Hinton, Bruce
Moulton, Simon E.
Conference name Australasian Corrosion Association. Conference (2012 : Melbourne, Victoria)
Conference location Melbourne, Victoria
Conference dates 11-14 Nov. 2012
Title of proceedings ACA Corrosion & Prevention 2012 : Proceedings of the Annual Australasian Corrosion Association Conference
Editor(s) [Unknown]
Publication date 2012
Conference series Australasian Corrosion Association Conference
Start page 1
End page 8
Total pages 8
Publisher Australasian Corrosion Association
Place of publication [Melbourne, Vic.]
Keyword(s) magnesium alloys
simulated Body Fluid
biocompatible Ionic liquid
acid Pickling
AZ31
Summary Recently, the use of magnesium alloys as metallic implant materials for biodegradable coronary artery stents has been steadily growing in interest. However, AZ31 magnesium alloys present poor corrosion resistance in the body environment. This work reports on the use of a treatment with low-toxicity IL Trimethyl (butyl) phosphonium diphenyl phosphate P1444DPP, which provides corrosion protection for magnesium alloy AZ31 in simulated body fluid (SBF). Before IL treatment, surface was cleaned by HNO3 and H3PO4 acid pickling solution. The effect of ionic liquid treatment on the corrosion performance of magnesium alloys AZ31in simulated body fluid has been investigated by electrochemical tests and the observation of surface morphology. The results show that this IL treatment succeeded in increasing the corrosion resistance of AZ31 when exposed to SBF.
ISBN 9781622769698
Language eng
Field of Research 091207 Metals and Alloy Materials
030604 Electrochemistry
Socio Economic Objective 870302 Metals (e.g. Composites, Coatings, Bonding)
HERDC Research category E1 Full written paper - refereed
Persistent URL http://hdl.handle.net/10536/DRO/DU:30052880

Document type: Conference Paper
Collection: Institute for Frontier Materials
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