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Icephobic coating evaluation for aerospace applications

Laforte Caroline, Blackburn Caroline, Perron Jean et Aubert Roger J.. (2014). Icephobic coating evaluation for aerospace applications. Dans : 55th AIAA/ASMe/ASCE/AHS/SC Structures, Structural Dynamics, and Materials Conference , 13-17 January 2014, National Harbor, Maryland.

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This paper presents an extended study on the properties of icephobic coatings for aerospace applications, more specifically rotorcraft. Ideally, an icephobic material should be the least expensive anti-icing solution, inasmuch as the anti-icing effect is not destroyed by inclement environmental conditions. Several studies on the subject have already been published. Nevertheless, in most cases, only the results of ice adhesion on freshly coated samples are presented and discussed. In this study, the effects of aging (weathering and erosion) and of the number of ice/deicing cycles on coating durability were also considered relative to their possible use on airplanes and helicopters. In the first step, ice adhesion was measured in Centrifuge Adhesion Tests (CAT) on eight promising coatings. The ice adhesion τadh of the candidate coatings was found to vary from 0.001 MPa to 0.16 MPa. In the second step, in order to analyze ice accretion and ice shedding, four favorable coatings were evaluated in a wind tunnel on scaled-down rotor (SRB) set-ups, which were iced and rotated until shedding occurred. Regarding the environmental aspect, the durability of the utmost ice adhesion reducer coatings was evaluated under rain and sand erosion, as well as multiple icing/deicing exposures.

Type de document:Matériel de conférence (Non spécifié)
Date:13 Janvier 2014
Sujets:Sciences naturelles et génie > Génie > Génie des matériaux et génie métallurgique
Département, module, service et unité de recherche:Départements et modules > Département des sciences appliquées > Module d'ingénierie
Unités de recherche > Centre international de recherche sur le givrage atmosphérique et l’ingénierie des réseaux électriques (CENGIVRE) > Laboratoire international des matériaux antigivres (LIMA)
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Mots-clés:propriétés glaciophobes, revêtements, applications aérospaciales, matériaux glaciophobes, anti-givrage
Déposé le:25 févr. 2016 03:16
Dernière modification:15 juin 2021 18:59
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