A method for the 3-D quantification of bridging ligaments during crack propagation

L. Babout; M. Janaszewski; T.J. Marrow

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A method for the 3-D quantification of bridging ligaments during crack propagation

机译：裂纹扩展过程中桥韧带的3-D定量方法

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This letter shows how a hole-closing algorithm can be used to identify and quantify crack-bridging ligaments from a sequence of X-ray tomography images of intergranular stress corrosion cracking. This allows automatic quantification of the evolution of bridging ligaments through the crack propagation sequence providing fracture mechanics insight previously unobtainable from fractog-raphy. The method may also be applied to other three-dimensional materials science problems, such as closing walls in foams.

机译：这封信显示了如何使用闭孔算法从一系列晶间应力腐蚀裂纹的X射线断层图像中识别和量化裂纹桥接韧带。这允许通过裂纹扩展序列自动量化桥接韧带的演化，从而提供以前无法从断裂图获得的断裂力学见解。该方法还可应用于其他三维材料科学问题，例如泡沫中的封闭壁。

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《Scripta materialia》 |2011年第2期|共4页
作者
L. Babout; M. Janaszewski; T.J. Marrow;
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正文语种 eng
中图分类冶金工业;
关键词
X-ray tomography (CT); Image analysis; Stainless steel; Corrosion;

机译：X射线断层扫描（CT）;图像分析;不锈钢;腐蚀;

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专利

1. A method for the 3-D quantification of bridging ligaments during crack propagation [J] . L. Babout, M. Janaszewski, T.J. Marrow Scripta materialia . 2011,第2期

机译：裂纹扩展过程中桥韧带的3-D定量方法
2. A systematic study of efficient sampling methods to quantify uncertainty in crack propagation and the Burgers equation [J] . Edwin Jimenez, Nathan Lay, M. Yousuff Hussaini Monte Carlo Methods and Applications . 2010,第1期

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3. Bridging crack propagation at the atomistic and mesoscopic scale for BCC-Fe with hybrid multiscale methods [J] . Xu Taolong, Stewart Ross, Fan Jinghong, Engineering Fracture Mechanics . 2016,第Null期

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4. Solid modeling method and calculation of stress intensity factor for bridge structure with 3-D straight through crack [C] . Zhongshan He, Qu Weilian, Jia Liu 2010 International Conference on Computer Application and System Modeling . 2010

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A method for the 3-D quantification of bridging ligaments during crack propagation

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