Adhesive strength of the contact of ice with a superhydrophobic coating

Бойнович, Л. Б.; Zhevnenko, S. N.; Emelyanenko, Alexandre M.; Gol'Dshtein, R. V.; Епифанов, В. П.

doi:10.1134/s0012500813020079

Cited by 13 publications

(17 citation statements)

References 10 publications

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“…The shear adhesion strength was then calculated as F/S, where the contact area S was determined from the sample radius and the depth of its immersion in ice. This setup allows easily getting the temperature dependence of a shear adhesion strength and study the effects of resistance of the surface texture to cyclic adhesion contact failure [103]. Besides, it allows one to study the effects of ice creep, local melting of the ice ridges, and lubrication action of QLL on the value of shear adhesion strength (Figure 7).…”

Section: Adhesion Strength Measurementsmentioning

confidence: 99%

Water and Ice Adhesion to Solid Surfaces: Common and Specific, the Impact of Temperature and Surface Wettability

Emelyanenko

Бойнович

2020

Coatings

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Ice adhesion plays a crucial role in the performance of materials under outdoor conditions, where the mitigation of snow and ice accumulation or spontaneous shedding of solid water precipitations are highly desirable. In this brief review we compare the adhesion of water and ice to different surfaces and consider the mechanisms of ice adhesion to solids basing on the surface forces analysis. The role of a premelted or quasi-liquid layer (QLL) in the ice adhesion is discussed with the emphasis on superhydrophobic surfaces, and the temperature dependence of ice adhesion strength is considered with an account of QLL. We also very briefly mention some recent methods for the measurement of ice adhesion strength to the icephobic engineering materials outlining the problems which remain to be experimentally solved.

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Section: Adhesion Strength Measurementsmentioning

confidence: 99%

Water and Ice Adhesion to Solid Surfaces: Common and Specific, the Impact of Temperature and Surface Wettability

Emelyanenko

Бойнович

2020

Coatings

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“…Ice adhesion strength on superhydrophobic surfaces has been shown to directly correlate with contact angle hysteresis 303,312,316 rather than contact angle itself, as found in earlier studies 301 . Ice adhesion decreases with increasing contact angle on surfaces of similar roughness and increases with decreasing icing/freezing temperature 310 . Cassie wetting on superhydrophobic surfaces creates voids between the solid surface and ice, which decrease the shear strength.…”

Section: Engineered Surfaces For Applications With Ice or Frostmentioning

confidence: 95%

“…Controlling ice adhesion with surface hydrophobicity and texture: Several studies on shear force of ice adhesion on multiscale-texture hydrophobic/superhydrophobic surfaces have shown ice adhesion force reduction between a factor of 2 to 6 compared to the respective control surfaces [310][311][312][313][314] . Under axial stresses, the reduction factor was even higher (5-10).…”

Section: Engineered Surfaces For Applications With Ice or Frostmentioning

confidence: 99%

“…Under axial stresses, the reduction factor was even higher (5-10). 310 Saleema et al 315 reported almost zero ice adhesion on a superhydrophobic (with low contact angle hysteresis) textured surface with a PTFE coated layer. Ice adhesion strength on superhydrophobic surfaces has been shown to directly correlate with contact angle hysteresis 303,312,316 rather than contact angle itself, as found in earlier studies 301 .…”

Section: Engineered Surfaces For Applications With Ice or Frostmentioning

confidence: 99%

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Surface engineering for phase change heat transfer: A review

Attinger

Frankiewicz

Betz

et al. 2014

MRS Energy & Sustainability

336

195

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Among numerous challenges to meet the rising global energy demand in a sustainable manner, improving phase change heat transfer has been at the forefront of engineering research for decades. The high heat transfer rates associated with phase change heat transfer are essential to energy and industry applications; but phase change is also inherently associated with poor thermodynamic efficiencies at low heat flux, and violent instabilities at high heat flux. Engineers have tried since the 1930's to fabricate solid surfaces that improve phase change heat transfer. The development of micro and nanotechnologies has made feasible the high-resolution control of surface texture and chemistry over length scales ranging from molecular levels to centimeters. This paper reviews the fabrication techniques available for metallic and siliconbased surfaces, considering sintered and polymeric coatings. The influence of such surfaces in multiphase processes of high practical interest, e.g. boiling, condensation, freezing, and the associated physical phenomena are reviewed. The case is made that while engineers are in principle able to manufacture surfaces with optimum nucleation or thermofluid transport characteristics, more theoretical and experimental efforts are needed to guide the design and cost-effective fabrication of surfaces that not only satisfy the existing technological needs, but also catalyze new discoveries.

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“…The higher the mortar roughness, the greater the absorption and greater mass loss after our frost resistance test. Meuler et al [84] and Boinovich et al [85] showed that the ice adhesion to a microscopically smooth surface is related to the surface's wettability and the water-substrate adhesion (SFE). Hydrophobisation in all cases smoothed the surface of mortars.…”

mentioning

confidence: 99%

Surface Modification of Lightweight Mortars by Nanopolymers to Improve Their Water-Repellency and Durability

et al. 2020

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The paper explores the possibility of covering the mortar with the lightweight aggregate by the nanopolymer silane and siloxane as surface hydrophobisation. The investigation involved the mortars with two types of hydrophobic agents diluted with water in a ratio of 1:4 and 1:8. Mortar wetting properties were determined by measuring the absorbability, water vapor diffusion, contact angle (CA) and surface free energy (SFE) of their structure. Surface micro-roughness and 2D topography were evaluated. Scanning electron microscopy (SEM) has shown the microstructure and distribution of pores in mortars. The reduction in absorbency after the first day of testing by 87% was shown. An improvement in frost resistance after 25 cycles by 97% and an 18-fold decrease in weight loss after the sulphate crystallization test were observed. The hydrophobic coating reduces the SFE of mortars and increases the CA. In the case of using silanes, a 9-fold increase CA was observed.

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Adhesive strength of the contact of ice with a superhydrophobic coating

Cited by 13 publications

References 10 publications

Water and Ice Adhesion to Solid Surfaces: Common and Specific, the Impact of Temperature and Surface Wettability

Water and Ice Adhesion to Solid Surfaces: Common and Specific, the Impact of Temperature and Surface Wettability

Surface engineering for phase change heat transfer: A review

Surface Modification of Lightweight Mortars by Nanopolymers to Improve Their Water-Repellency and Durability

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