Effect of an intermediate layer on the strength of an ice−substrate interface

The purpose of this investigation is quantitative determination of deformational changes in the ice structure immediately upon displacement under conditions of high hydrostatic pressure by the method of acoustic emission and estimation of the effect of the structure on the ice−substrate adhesive bon...

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Bibliographic Details
Published in:Doklady. a journal of the Russian Academy of Sciences. Physics 2017, Vol.62 (1), p.14-19
Main Author: Epifanov, V. P.
Format: Article
Language:English
Subjects:
Bond strength
Classical Mechanics
Mathematical and Computational Physics
Physics
Physics and Astronomy
Technical Physics
Theoretical
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Summary:The purpose of this investigation is quantitative determination of deformational changes in the ice structure immediately upon displacement under conditions of high hydrostatic pressure by the method of acoustic emission and estimation of the effect of the structure on the ice−substrate adhesive bond strength. The relation between the reciprocal acoustic compliance of ice, the size of mobile elements of its structure, their resonance eigenfrequency, and the density is established. The model is verified. The correlation of the amplitude−frequency spectra of the acoustic emission on the frictional contact with the acoustic spectra of eigenvibrations on glaciers from remote sources is confirmed. The results obtained can be used for distant study of the modes of motion of ice in glaciers.
ISSN:1028-3358
1562-6903
DOI:10.1134/S1028335817010025