Last edited by Gojas
Thursday, July 30, 2020 | History

2 edition of Adhesion strength of ice found in the catalog.

Adhesion strength of ice

Pekka Oksanen

Adhesion strength of ice

by Pekka Oksanen

  • 81 Want to read
  • 28 Currently reading

Published by Valtion teknillinen tutkimuskeskus in Espoo [Finland] .
Written in English

    Subjects:
  • Ice.,
  • Adhesion.

  • Edition Notes

    Includes bibliographical references (p. 59-61).

    StatementPekka Oksanen.
    SeriesTutkimuksia / Valtion teknillinen tutkimuskeskus -- 123., Tutkimuksia (Valtion teknillinen tutkimuskeskus) -- 123.
    ContributionsValtion teknillinen tutkimuskeskus.
    The Physical Object
    Pagination61, [5] p. :
    Number of Pages61
    ID Numbers
    Open LibraryOL16023833M
    ISBN 109513815854

    The directions of the applied shear force also influence the ice adhesion strength when the potential crack length is dependent on the applied shear force direction. The inter-locking effect between ice and the coating, caused by the pre-deformation, needs to be considered if one of the dimensions of the hollow sub-surface structures approaches. Lee casts a pretty long shadow in adhesion studies. There is usually a lot of rehashed wetting tension stuff in books on adhesion - Lee goes past that. I keep coming back to some of the figures in this volume to explain key topics in adhesion technology to new people in our company.4/5(1).

    Get this from a library! Seeking low ice adhesion. [John M Sayward; United States. Army. Corps of Engineers. Directorate of Military Programs.; Cold Regions Research and Engineering Laboratory (U.S.)] -- Icing impairs operation of helicopters and other aircraft, antennae, power and communication lines, shipping and superstructures, canal locks, etc. Prevention or easier removal of icing.   Kasaai, Mohammad R., and Farzaneh, Masoud. "A Critical Review of Evaluation Methods of Ice Adhesion Strength on the Surface of Materials." Proceedings of the ASME 23rd International Conference on Offshore Mechanics and Arctic by: 7.

    Poly mer Interface and Adhesion provides the critical basis for further advancement in thisfield. Combining the principles of interfacial science, rheology, stress analysis, and fracturemechanics, the book teaches a new approach to the analysis of long standing problemssuch as: how is the interface formed; what are its physical and mechanical properties;and how does the interface modify the 4/5(3).   ‘Both physical and chemical modifications of the pavement surface are candidates for preventing the formation of ice or for reducing the strength of adhesion to a level that permits fast, complete, and low-force removal of ice or compacted snow’ (Baum et al., p. 1). Delaying the formation of ice and/or weakening the bond between the Cited by: 4.


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Adhesion strength of ice by Pekka Oksanen Download PDF EPUB FB2

This second edition of the successful Handbook of Adhesion provides concise and authoritative articles covering many aspects of the science and technology associated with adhesion and adhesives. It is intended to fill a gap between the necessarily simplified treatment of the student textbook and the full and thorough treatment of the research monograph and review : Hardcover.

A common theme in ice adhesion research has been the comparison of ice adhesion strength and water wettability (surface hydrophobicity). Often this comparison has taken the form of Adhesion strength of ice book plot or tabular listing of measured ice adhesion strength as a function of the “water contact angle.”31, 34, 42, 43, 51, Data presented in this mannerCited by: J.S.

Carlton FREng, in Marine Propellers and Propulsion (Fourth Edition), Adhesion Strength. Adhesion forces primarily occur when an ice cover adfreezes to a structure and, by horizontal and vertical movement of the ice field, causes considerable forces to be transferred to the structure.

Oksanen () found that brine cells weaken the contact surface between ice and other. The ice adhesion strength was measured with a centrifugal adhesion test and varied from ± MPa for precipitation ice, ± MPa for in-cloud ice to ± MPa for bulk water. The aim of this study was to systematically study the ice adhesion strength on various surfaces by de-coupling the effects of surface roughness and surface energy on ice adhesion strength.

Experimental details Sample preparation. The substrate used in this Adhesion strength of ice book is AA Al of dimension mm × mm × by: A laboratory test method for evaluating ice adhesion has been developed employing a commercially available instrument normally used for dynamic mechanical analysis (TA RSA-III).

This is the first laboratory ice adhesion test that does not require a custom-built apparatus. The upper grip range of ∼10 mm is an enabling feature that is essential for the by:   The plane-strain fracture-energy test developed by Andrews and Stevenson has been applied to the study of ice adhering to substrates of stainless steel, titanium and anodised aluminium.

In most cases the fracture is cohesive through the ice, and therefore yields a cohesive fracture energy (critical energy release rate). The value of this fracture energy, however, is dependent upon the nature Cited by: This review discusses potential measurement methods for characterising and quantifying the interfacial adhesion strength properties that are key to the strength of bonded systems.

The standard deviation depends on the surface type and seems to scale with the absolute value of the ice adhesion strength. The experiments capture the overall trends in which the ice adhesion strength surprisingly decreases from −10 to −18 °C for aluminum and is almost independent of temperature for a commercial icephobic coating.

Adhesion is the tendency of dissimilar particles or surfaces to cling to one another (cohesion refers to the tendency of similar or identical particles/surfaces to cling to one another). The forces that cause adhesion and cohesion can be divided into several types.

The intermolecular forces responsible for the function of various kinds of stickers and sticky tape fall into the categories of. The present book attempts to review the multidisciplined subject of adhesion and adhesives, considering both the science and technology involved in the formation and mechanical performance of adhesive joints.

The author would like to thank his friends and colleagues for useful discus sions and help in the preparation of this book.5/5(3). Unfortunately, ice sticks very strongly to many structural materials – aluminium, for example, has an ice adhesion strength of kPa. Researchers have created coatings with ice.

The adhesion strength of ice Ih, which is the relevant ice phase for anti-icing applications, depends on many factors. These factors include the surface chemistry, the surface roughness profile, the elastic modulus, the temperature, and the ice micro-structure. 5,27 5. by: 6. This test method covers procedures for evaluating the pull-off adhesion strength of a coating on concrete.

The test determines the greatest perpendicular force (in tension) that a surface area can bear before a plug of material is detached. Failure will occur along the weakest plane within the system comprised of the loading fixture, glue, coating system, and substrate, and will be exposed.

Tests of the Performance of Coatings for Low Ice Adhesion David N. Anderson Lewis Research Center Cleveland, Ohio and Allen D. Reich BFGoodrich R&D Center Brecksville, Ohio Prepared for the 35th Aerospace Sciences Meeting & Exhibit sponsored by the American Institute of Aeronautics and Astronautics Reno, Nevada, JanuaryNational.

REPORT DOCUMENTATION PAGE (SF) (Continuation Sheet) List of manuscripts: Book: Physics of Ice. Victor Petrenko and Robert Whitworth. Oxford University Press, Journal Publications: 1. Petrenko and S. Qi: Effect of electric field on ice adhesion to stainless steel.

Journal of Applied Physics, vol. 86, (). The shear stress was then calculated as the ratio of the shear force and the contact area. The ice adhesion strength was the shear stress at which the ice droplet detached from the sample surface as indicated by the sudden drop of the sensed shear force to zero.

Results and Discussion Surface Topography and Wettability at −5°CCited by:   A detailed set of experiments was conducted in an icing wind tunnel to measure the ice adhesion strength of various superhydrophobic coatings by subjecting the surfaces to a super-cooled icing cloud consisting of 20 μm droplets at a constant liquid water content (LWC) of g/m 3.

Test conditions included air speeds of 50 and 70 m/s and in Cited by: 4. The book containing 18 chapters is divided into three parts: Part 1: Fundamentals of Ice Formation and Ice Characteristics; Part 2: Ice Adhesion and Its Measurement; and Part 3: Methods to Mitigate Ice Adhesion.

The topics covered Include: Factors. Throughout the book there is a renewed emphasis on environmental implications of the use of adhesives and sealants. The scope of the Handbook, which features nearly articles from over 60 authors, includes the background science - physics, chemistry and material science - and engineering, and also aspects of adhesion relevant to the use of.

In an effort to reduce the cost, time, and physical labor associated with ice removal, much research on ice adhesion has been done. This work ranges from theoretical studies to microscopic investigations and full-scale field tests.

The main focus of all of these studies is how to lower ice’s adhesive strength, thus easing ice removal. Experimental Investigation of Ice Adhesion An experimental study was conducted to investigate ice-adhesion on clean and coated aluminum surfaces.

A test apparatus using the parallel plate linear shear technique was designed along with a data acquisition system for conducting the tests and recording the experimental by: 4.Low ice adhesion surfaces are a promising anti-icing strategy.

However, reported ice adhesion strengths cannot be directly compared between research groups. This study compares results obtained from testing the ice adhesion strength on two types of surfaces at two different laboratories, testing two different types of ice with different ice adhesion test methods at temperatures of −10 Cited by: 2.