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Record #125397:

Application of electrical signals from cracks in ice micromechanics / Victor F. Petrenko.

Title: Application of electrical signals from cracks in ice micromechanics / Victor F. Petrenko.
Author(s): Petrenko, Victor F.
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: New promising experimental technique is proposed for determination of crack parameters such as velocity, width and elastic strain, based on measurement of electric signals generated by growing and stable cracks in ice. Theoretical concepts and experimental configurations of technique are described. Some examples of crack velocity determination and preliminary results for artificially initiated and occasional cracks are given. Velocities are found in wide range: 50 to 1170 m s⁻¹. Width of about 10s of micrometres is found for small intergrain cracks. Measurements of elastic-strain distribution in vicinity of crack tip give results that are close to prediction of theory of elasticity, whereas there is noticeable discrepancy at distance comparable with crack length.
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.
539.42 -- Ice, tensile strength.
537 -- Electricity.
E4 -- Glaciology: physics and chemistry of ice.
SPRI record no.: 125397

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100 1# ‡aPetrenko, Victor F.
245 10 ‡aApplication of electrical signals from cracks in ice micromechanics /‡cVictor F. Petrenko.
260 ## ‡aEdmonton, Alberta :‡bUniversity of Alberta, Department of Civil Engineering,‡c[1993]
300 ## ‡ap. 1140-1154 :‡bdiags., table.
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# ‡aNew promising experimental technique is proposed for determination of crack parameters such as velocity, width and elastic strain, based on measurement of electric signals generated by growing and stable cracks in ice. Theoretical concepts and experimental configurations of technique are described. Some examples of crack velocity determination and preliminary results for artificially initiated and occasional cracks are given. Velocities are found in wide range: 50 to 1170 m s⁻¹. Width of about 10s of micrometres is found for small intergrain cracks. Measurements of elastic-strain distribution in vicinity of crack tip give results that are close to prediction of theory of elasticity, whereas there is noticeable discrepancy at distance comparable with crack length.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.322 -- Ice and snow.‡2udc
650 07 ‡a53 -- Physics.‡2udc
650 07 ‡a539.42 -- Ice, tensile strength.‡2udc
650 07 ‡a537 -- Electricity.‡2udc
650 07 ‡aE4 -- Glaciology: physics and chemistry of ice.‡2local
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
917 ## ‡aUnenhanced record from Muscat, imported 2019
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