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Thermal Imaging for the Analysis of Energy Balance During Crack Propagation

机译：热成像分析裂纹扩展过程中的能量平衡

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摘要

Earlier [1] we described an experimental procedure aimed at examining the spatial and temporal distribution of energy dissipation during crack initiation and propagation in a ductile polymer. The experiment combines a table-top tensile tester and an infrared imaging system. Because of the intense heating of the crack tip region, direct observation of the temperature rise not only provides an accurate measurement of the position of the crack tip, and thus the propagation velocity, but also much information for the analysis of plastic deformation, energy conversion, and evaluation of thermal properties of polymer materials. In the present paper, we will present an analysis of the energy balance in such measurements.

机译：较早的[1]我们描述了一种实验程序，旨在检查韧性聚合物在裂纹萌生和扩展过程中能量耗散的时空分布。该实验结合了台式拉伸测试仪和红外成像系统。由于裂纹尖端区域的剧烈加热，直接观察温度升高不仅可以精确测量裂纹尖端的位置，从而可以准确地测量裂纹传播的速度，还可以提供大量信息来分析塑性变形，能量转换，以及聚合物材料的热性能评估。在本文中，我们将对这种测量中的能量平衡进行分析。

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Wang, Yingxia; Telenkov, S.; Favro, L. D.; Kuo, P. K.; Thomas, R. L.;
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年度 1997
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正文语种 en
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Thermal Imaging for the Analysis of Energy Balance During Crack Propagation

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