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Record #125394:

Dislocation motion and plasticity of ice / Yingchang Wei, John P. Dempsey.

Title: Dislocation motion and plasticity of ice / Yingchang Wei, John P. Dempsey.
Author(s): Wei, Yingchang.
Dempsey, John P.
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: Based on experimental evidence of cross-slip of < 112̅3 > dislocations in ice crystals, plasticity of ice is discussed in terms of interaction between basal and non-basal dislocations. Crack-tip deformation in ice crystals is demonstrated by dislocation pile-ups in front of cleavage crack and dislocation-free zone caused by movement of existing dislocations in vicinity of crack tip of specimens subjected to creep.
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.
551.322 -- Ice and snow.
53 -- Physics.
539.37 -- Ice, plastic and viscous deformation.
E4 -- Glaciology: physics and chemistry of ice.
SPRI record no.: 125394

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245 10 ‡aDislocation motion and plasticity of ice /‡cYingchang Wei, John P. Dempsey.
260 ## ‡aEdmonton, Alberta :‡bUniversity of Alberta, Department of Civil Engineering,‡c[1993]
300 ## ‡ap. 1100-1114 :‡bill., diags.
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# ‡aBased on experimental evidence of cross-slip of < 112̅3 > dislocations in ice crystals, plasticity of ice is discussed in terms of interaction between basal and non-basal dislocations. Crack-tip deformation in ice crystals is demonstrated by dislocation pile-ups in front of cleavage crack and dislocation-free zone caused by movement of existing dislocations in vicinity of crack tip of specimens subjected to creep.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.322 -- Ice and snow.‡2udc
650 07 ‡a53 -- Physics.‡2udc
650 07 ‡a539.37 -- Ice, plastic and viscous deformation.‡2udc
650 07 ‡aE4 -- Glaciology: physics and chemistry of ice.‡2local
700 1# ‡aDempsey, John P.
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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