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Record #117968:

The influence of aging on the strength of prepared cracks in first year sea ice / B.L. Parsons, F.M. Williams, J. Everard, T. Slade.

Title: The influence of aging on the strength of prepared cracks in first year sea ice / B.L. Parsons, F.M. Williams, J. Everard, T. Slade.
Author(s): Parsons, B. L.
Williams, F. M.
Everard, J.
Slade, T.
Date: 1992.
Publisher: New York: American Society of Mechanical Engineers
In: Proceedings of the 11th International Conference on Offshore Mechanics and Arctic Engineering - 1992. Presented ... Calgary, Alberta, Canada, June 7-12, 1992. Vol. 4 - Arctic/polar technology. (1992.),
Abstract: Sea-ice beams with cracks prepared with hand-held scalpel and then aged weakened after 280 h. This result is inconsistent with crack tip that blunts with age. Extension of crack tip was not observed. Suggests that technique used to form microcrack may create crack associated with dislocation distribution that shields it.
Notes:

In: Proceedings of the 11th International Conference on Offshore Mechanics and Arctic Engineering - 1992. Presented ... Calgary, Alberta, Canada, June 7-12, 1992. Vol. 4 - Arctic/polar technology / Olufemi A. Ayorinde, Nirmal K. Sinha, Devinder S. Sodhi, Wilfrid A. Nixon, eds.

Keywords: 551.32 -- Glaciology.
551.326 -- Floating ice.
539.42 -- Ice, tensile strength.
E6 -- Glaciology: floating ice.
SPRI record no.: 117968

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245 04 ‡aThe influence of aging on the strength of prepared cracks in first year sea ice /‡cB.L. Parsons, F.M. Williams, J. Everard, T. Slade.
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500 ## ‡aIn: Proceedings of the 11th International Conference on Offshore Mechanics and Arctic Engineering - 1992. Presented ... Calgary, Alberta, Canada, June 7-12, 1992. Vol. 4 - Arctic/polar technology / Olufemi A. Ayorinde, Nirmal K. Sinha, Devinder S. Sodhi, Wilfrid A. Nixon, eds.
520 3# ‡aSea-ice beams with cracks prepared with hand-held scalpel and then aged weakened after 280 h. This result is inconsistent with crack tip that blunts with age. Extension of crack tip was not observed. Suggests that technique used to form microcrack may create crack associated with dislocation distribution that shields it.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.326 -- Floating ice.‡2udc
650 07 ‡a539.42 -- Ice, tensile strength.‡2udc
650 07 ‡aE6 -- Glaciology: floating ice.‡2local
700 1# ‡aParsons, B. L.
700 1# ‡aWilliams, F. M.
700 1# ‡aEverard, J.
700 1# ‡aSlade, T.
773 0# ‡7nnam ‡aOlufemi A. Ayorinde, Nirmal K. Sinha, Devinder S. Sodhi, Wilfrid A. Nixon, eds. ‡tProceedings of the 11th International Conference on Offshore Mechanics and Arctic Engineering - 1992. Presented ... Calgary, Alberta, Canada, June 7-12, 1992. Vol. 4 - Arctic/polar technology. ‡dNew York : American Society of Mechanical Engineers, 1992. ‡wSPRI-117928
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