Journal
APPLIED SURFACE SCIENCE
Volume 255, Issue 18, Pages 8153-8157Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2009.05.033
Keywords
Hydrophobicity; Ice adhesion; Shear stress; Contact angle hysteresis
Categories
Funding
- Hydro-Quebec
- Hydro One
- Alcan Cable
- K-Line Insulators
- CQRDA
- FUQAC
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In this study, ice adhesion strength on flat hydrophobic and rough super-hydrophobic coatings with similar surface chemistry (based on same fluoropolymer) is compared. Glaze ice, similar to naturally accreted, was prepared on the surfaces by spraying super-cooled water microdroplets at subzero temperature. Ice adhesion was evaluated by spinning the samples at constantly increasing speed until ice delamination occurred. Super-hydrophobic surfaces with different contact angle hysteresis were tested, clearly showing that the latter, along with the contact angle, also influences the ice-solid adhesion strength. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.
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