| Téléchargement | - Voir la version finale : Laboratory investigation of the fracture behavior of polycrystalline ice. Phase II (PDF, 25.2 Mio)
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| DOI | Trouver le DOI : https://doi.org/10.4224/8895686 |
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| Auteur | Rechercher : Wells, J.; Rechercher : Derradji-Aouat, A.; Rechercher : Jordaan, I.; Rechercher : Bugden, A. |
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| Format | Texte, Rapport technique |
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| Résumé | The tests described in this data report have been designed primarily to test the repeatability of results from Phase I of testing. In Phase I, indentation tests were performed as a joint collaboration between Memorial University of Newfoundland and the Institute for Ocean Technology (NRC-IOT). The test specimens were made of polycrystalline ice with a grain size of ~4 mm. Two cm cubed monocrystals were placed at specific locations within the specimen with the c-axis of the monocrystal placed either parallel or perpendicular to the axis of indentation. Four groups of tests were completed as part of Phase II. Group 1 tested specimens that did not include an embedded monocrystal. This will allow for a more thorough investigation of the influence of the presence of an embedded crystal. Group 2 consisted of a number of repeats of experiments from Phase I. This group will be used to investigate the influence of the orientation of the c-axis of the embedded monocrystal. Group 3 used ice specimens with no embedded crystal and were performed at a velocity expected to produce cyclic loading. This will allow the link between cyclic loading and ice crushing to be studied in greater detail. Finally, Group 4 consisted of tests performed on specimens with the same dimensions as in phase I but with different compositions (compressed snow, ~4mm polycrystalline ice with air bubbles, and bubble-free ice with a highly irregular grain structure). This will allow the influence of ice composition to be studied in greater detail. |
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| Date de publication | 2008 |
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| Maison d’édition | National Research Council of Canada. Institute for Ocean Technology |
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| Emplacement | St. John's, Newfoundland |
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| Série | |
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| Langue | anglais |
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| Numéro du CNRC | NRC-IOT-6581 |
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| Numéro NPARC | 8895686 |
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| Exporter la notice | Exporter en format RIS |
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| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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| Identificateur de l’enregistrement | 356f1651-f2e5-4780-ab70-9b64f4b2b6c8 |
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| Enregistrement créé | 2009-04-22 |
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| Enregistrement modifié | 2022-09-13 |
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