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Cited by 849

The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.

Relationships between Water Wettability and Ice Adhesion

Open access
Meuler, Adam J., Smith, J. David, Varanasi, Kripa K., Mabry, Joseph M., McKinley, Gareth H., Cohen, Robert E.·2010·ACS Applied Materials & Interfaces

Abstract

Ice formation and accretion may hinder the operation of many systems critical to national infrastructure, including airplanes, power lines, windmills, ships, and telecommunications equipment. Yet despite the pervasiveness of the icing problem, the fundamentals of ice adhesion have received relatively little attention in the scientific literature and it is not widely understood which attributes must be tuned to systematically design "icephobic" surfaces that are resistant to icing. Here we probe the relationships between advancing/receding water contact angles and the strength of ice adhesion to bare steel and twenty-one different test coatings (∼200-300 nm thick) applied to the nominally smooth steel discs. Contact angles are measured using a commercially available goniometer, whereas the average strengths of ice adhesion are evaluated with a custom-built laboratory-scale adhesion apparatus. The coatings investigated comprise commercially available polymers and fluorinated polyhedral oligomeric silsesquioxane (fluorodecyl POSS), a low-surface-energy additive known to enhance liquid repellency. Ice adhesion strength correlates strongly with the practical work of adhesion required to remove a liquid water drop from each test surface (i.e., with the quantity [1 + cos θ(rec)]), and the average strength of ice adhesion was reduced by as much as a factor of 4.2 when bare steel discs were coated with fluorodecyl POSS-containing materials. We argue that any further appreciable reduction in ice adhesion strength will require textured surfaces, as no known materials exhibit receding water contact angles on smooth/flat surfaces that are significantly above those reported here (i.e., the values of [1 + cos θ(rec)] reported here have essentially reached a minimum for known materials).

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Metadata

Authors
Meuler, A. J., Smith, J. D., Varanasi, K. K., Mabry, J. M., McKinley, G. H., & Cohen, R. E.
Venue
ACS Applied Materials & Interfaces
Published
2010-10-15
Volume
2
Issue
11
Pages
3100-3110
ISSN
  • 1944-8244 (ISSN-L)
  • 1944-8252
OpenAlex
W2317451766
Cited by
849
References
39
FWCI
38.82
Type
journal article
Language
en
Open access
green

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