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Research Papers: Polar and Arctic Engineering

Structural Properties and Simple Compression Behavior of Laboratory-Made Polycrystalline Isotropic Ice at High Temperatures

[+] Author and Article Information
M. Seifaddini

Canada Research Chair on Atmospheric Icing
Engineering of Power Networks,
University of Quebec at Chicoutimi,
Chicoutimi, QC G7H 2B1, Canada
e-mail: mahdiyeh.seifaddini-rashkolia1@uqac.ca

G. Aryanpour

Canada Research Chair on Atmospheric Icing
Engineering of Power Networks,
University of Quebec at Chicoutimi,
Chicoutimi, QC G7H 2B1, Canada
e-mail: garyanpo@uqac.ca

M. Farzaneh

Canada Research Chair on Atmospheric Icing
Engineering of Power Networks,
University of Quebec at Chicoutimi,
Chicoutimi, QC G7H 2B1, Canada
e-mail: masoud_farzaneh@uqac.ca

Contributed by the Ocean, Offshore, and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received February 8, 2017; final manuscript received June 22, 2017; published online September 11, 2017. Assoc. Editor: Søren Ehlers.

J. Offshore Mech. Arct. Eng 140(1), 011501 (Sep 11, 2017) (10 pages) Paper No: OMAE-17-1021; doi: 10.1115/1.4037472 History: Received February 08, 2017; Revised June 22, 2017

Polycrystalline isotropic ice was selected as the material of choice for this fundamental study on the mechanical behavior of ice. Two essential properties of the ice structure are the porosity and degree of anisotropy (DA). On the one hand, it is clear that these two factors have a great influence on the mechanical properties of the material. On the other hand, however, they are strongly dependent on the laboratory procedure used to fabricate the ice samples. Thus, in this work, three procedures to produce ice samples are analyzed. For this purpose, the structural and mechanical properties observed in uniaxial compression tests are discussed for each sample fabrication procedure. Then, after the most suitable fabrication procedure has been determined, the viscous behavior of isotropic ice is analyzed and discussed using the results of simple compression test at different temperatures and axial strain rates.

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References

Figures

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Fig. 1

The setup used to prepare deaerated water

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Fig. 2

The different steps to prepare isotropic ice by method 1

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Fig. 3

Transparent plastic cylinder used to mold ice and water mixture by method 2

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Fig. 4

Filling of a cylindrical mold with ice particles by method 2

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Fig. 5

(a) Filling the cylindrical mold containing ice with some water and (b) directional solidification of the mixture of ice and water at −10 °C

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Fig. 6

Skyscan 1172 used for evaluating structural properties

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Fig. 7

Schematic illustration of the projection technique by Skyscan (a) parallel projections of an object at different heights (b) rotation of the object to have projections at different angles [7]

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Fig. 8

(a) Sample of isotropic ice (b) MTS-810 machine

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Fig. 9

Typical result obtained with SkyScan 1172

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Fig. 10

The variation of porosity (%) for the three methods of sample fabrication

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Fig. 11

The measured (circle) and mean (square) values of anisotropy degree

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Fig. 12

Result of simple compression test at −10 °C with a strain rate of 1 × 10−5 (1/s) on the samples prepared from different methods

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Fig. 13

The axial stress–axial strain curve obtained at different temperatures for a fixed axial strain rate

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Fig. 14

The axial stress–axial strain curve obtained at different axial strain rates for a fixed temperature

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Fig. 15

Variation of Lnε˙ versus Lnσ

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Fig. 16

Variation of B (a) and n (b) as functions of temperature for isotropic ice

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