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DOI | https://doi.org/10.1594/PANGAEA.835321 |
Measurements of fracture toughness applying a four-point-bending technique of ice core B34 from Kohnen Station, Dronning Maud Land, Antarctica | |
Christmann; Julia; Müller; Ralf; Webber; Kyle G; Isaia; Daniel; Schader; Florian H; Kipfstuhl; Sepp; Freitag; Johannes; Humbert; Angelika | |
发布日期 | 2014-08-27 |
数据集类型 | dataset |
英文简介 | The critical fracture toughness is a material parameter describing the resistance of a cracked body to further crack extension. It is an important parameter to simulate and predict the break-up behaviour of ice shelves from calving of single icebergs to the disintegration of entire ice shelves over a wide range of length scales. The fracture toughness values are calculated with equations that are derived from an elastic stress analysis. Additionally, an X-ray computer tomography (CT scanner) was used to identify the density as a function of depth. The critical fracture toughness of 91 Antarctic inland ice samples with densities between 840 to 870 kg/m**3 has been determined by applying a four-point-bending technique on single edge v-notched beam samples. The examined ice core was drilled 70m north of Kohnen Station, Dronnning Maud Land (75°00' S, 00°04' E, 2882 m). |
空间范围 | Latitude: -75.000780 * Longitude: 0.066910 |
时间范围 | 2014-01-18T00:00:00 - 2014-01-18T00:00:00 |
语种 | 英语 |
国家 | 国际 |
学科大类 | 气候变化 |
学科子类 | 冰冻圈 |
文献类型 | 数据集 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/213763 |
推荐引用方式 GB/T 7714 | Christmann,Julia,Müller,et al. Measurements of fracture toughness applying a four-point-bending technique of ice core B34 from Kohnen Station, Dronning Maud Land, Antarctica.2014-08-27.https://doi.org/10.1594/PANGAEA.835321. |
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