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Record #125389:

An evaluation of micromechanical processes in deformation of sea ice single crystals / Robert L. Brown, Ladean R. McKittrick.

Title: An evaluation of micromechanical processes in deformation of sea ice single crystals / Robert L. Brown, Ladean R. McKittrick.
Author(s): Brown, Robert L.
McKittrick, Ladean R.
Date: [1993]
Publisher: Edmonton, Alberta: University of Alberta, Department of Civil Engineering
In: IAHR 92; 11th International Symposium on Ice, Banff, Alberta, Canada, June 15-19, 1992. Proceedings. ([1993]), Vol.2.
Abstract: Study was undertaken to determine reasons for large differences between mechanical properties of sea ice and nonsaline ice. Several deformation mechanisms were considered as possible sources for additional compliance of sea ice relative to pure ice. One involves interplatelet slip, another is attributed to reduced rigidity of ice matrix due to presence of brine pockets in sea ice, and another is associated with increased dislocation sources due to geometry of brine pockets. Series of constant deformation tests was run on pure and sea-ice crystals at temperatures ranging from --10 to --45°C in 5° increments so that differences in material response below and above eutectic temperature could be evaluated.
Notes:

In: IAHR 92; 11th International Symposium on Ice, Banff, Alberta, Canada, June 15-19, 1992. Proceedings. Vol.2. / International Association for Hydraulic Research.

Keywords: 551.32 -- Glaciology.
551.326 -- Floating ice.
53 -- Physics.
539.37 -- Ice, plastic and viscous deformation.
551.326.7 -- Sea ice.
E6 -- Glaciology: floating ice.
SPRI record no.: 125389

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100 1# ‡aBrown, Robert L.
245 13 ‡aAn evaluation of micromechanical processes in deformation of sea ice single crystals /‡cRobert L. Brown, Ladean R. McKittrick.
260 ## ‡aEdmonton, Alberta :‡bUniversity of Alberta, Department of Civil Engineering,‡c[1993]
300 ## ‡ap. 1035-1046 :‡bdiags.
500 ## ‡aIn: IAHR 92; 11th International Symposium on Ice, Banff, Alberta, Canada, June 15-19, 1992. Proceedings. Vol.2. / International Association for Hydraulic Research.
520 3# ‡aStudy was undertaken to determine reasons for large differences between mechanical properties of sea ice and nonsaline ice. Several deformation mechanisms were considered as possible sources for additional compliance of sea ice relative to pure ice. One involves interplatelet slip, another is attributed to reduced rigidity of ice matrix due to presence of brine pockets in sea ice, and another is associated with increased dislocation sources due to geometry of brine pockets. Series of constant deformation tests was run on pure and sea-ice crystals at temperatures ranging from --10 to --45°C in 5° increments so that differences in material response below and above eutectic temperature could be evaluated.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.326 -- Floating ice.‡2udc
650 07 ‡a53 -- Physics.‡2udc
650 07 ‡a539.37 -- Ice, plastic and viscous deformation.‡2udc
650 07 ‡a551.326.7 -- Sea ice.‡2udc
650 07 ‡aE6 -- Glaciology: floating ice.‡2local
700 1# ‡aMcKittrick, Ladean R.
773 0# ‡7c2am ‡aInternational Association for Hydraulic Research. ‡tIAHR 92; 11th International Symposium on Ice, Banff, Alberta, Canada, June 15-19, 1992. Proceedings. ‡dEdmonton, Alberta : University of Alberta, Department of Civil Engineering, [1993] ‡gVol.2. ‡wSPRI-125102
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