A Lifetime of Metallic Nanoparticles in Heat Exchange Liquids

Abstract:

This work is focused on lifetime prediction of metallic nanoparticles in heat exchange nanofluids. Copper, nickel and iron nanoparticles were studied in 40 wt.% aqueous solution of potassium formate and propylene glycol. Materials were observed by means of mass loss exposure tests, linear polarization resistance and potentiodynamic measurements. Potassium formate solution is not suitable bearing liquid for metallic nanoparticles. Propylyne glycol seems promising, however additional corrosion prevention needs to be applied.

• Periodical: Materials Science Forum (Volume 811)
• Pages: 23-27
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.811.23
• Online since: December 2014
• Authors: Jan Stoulil*, Tomáš Pfeifer, Alena Michalcová, Ivo Marek
• Keywords: Corrosion, Metallic Nanoparticles, Nanofluid, Propylene Glycol

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