Magnetic slippery extreme icephobic surfaces

Peyman Irajizad, Munib Hasnain, Nazanin Farokhnia, Seyed Mohammad Sajadi and Hadi Ghasemi ()
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Peyman Irajizad: University of Houston
Munib Hasnain: University of Houston
Nazanin Farokhnia: University of Houston
Seyed Mohammad Sajadi: University of Houston
Hadi Ghasemi: University of Houston

Nature Communications, 2016, vol. 7, issue 1, 1-7

Abstract: Abstract Anti-icing surfaces have a critical footprint on daily lives of humans ranging from transportation systems and infrastructure to energy systems, but creation of these surfaces for low temperatures remains elusive. Non-wetting surfaces and liquid-infused surfaces have inspired routes for the development of icephobic surfaces. However, high freezing temperature, high ice adhesion strength, and high cost have restricted their practical applications. Here we report new magnetic slippery surfaces outperforming state-of-the-art icephobic surfaces with a ice formation temperature of −34 °C, 2–3 orders of magnitude higher delay time in ice formation, extremely low ice adhesion strength (≈2 Pa) and stability in shear flows up to Reynolds number of 105. In these surfaces, we exploit the magnetic volumetric force to exclude the role of solid–liquid interface in ice formation. We show that these inexpensive surfaces are universal and can be applied to all types of solids (no required micro/nano structuring) with no compromise to their unprecedented properties.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms13395

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DOI: 10.1038/ncomms13395

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