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A new corrosion sensor developed by IFM researchers offers a way to prevent dangerous corrosion in underground pipelines.
Professor Maria Forsyth wins Corrosion Medal.
Important new research projects in the pipeline, says Professor Mike Tan.
Dr Timothy Khoo
Strategy and Industry Engagement
+61 (3) 924 46795
Alloys of the light metals magnesium (Mg) and aluminium (Al) suffer severe corrosion in saline environments. In the past, chromate conversion coatings have been used for protection as they offer excellent paint adhesion and corrosion resistance. However, chromium (VI) is extremely toxic and carcinogenic. We have an extensive research program to develop greener and safer alternatives.
Rare earth inhibitors (Ce, La and mischmetal coupled with diphenylphosphate) have been researched for use on Al alloys. Their corrosion protection is significant and ongoing research is being conducted to fully understand how they work.
Ionic liquids have only recently been investigated for use to form corrosion inhibiting films on both Mg and Al alloys. Successful surface films have been formed, however the influence of chemistry, applied potential, temperature and time are still unclear and are being investigated. Research into the use of ionic liquids as electrolytes for anodisation and to control corrosion of Mg alloy stents used to treat coronary artery disease is also underway.
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