Determination of Crack Face Displacement by X-ray Tomography and Digital Volume Correlation

Determination of Crack Face Displacement by X-ray Tomography and Digital Volume Correlation
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通过 X 射线断层扫描和数字体积相关确定裂纹面位移

DOI:
10.1016/j.proeng.2014.06.290
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发表时间:
2014
期刊:
Procedia Engineering
影响因子:
--
通讯作者:
L. Zellmer
L. Zellmer
中科院分区:
--
文献类型:
--
作者:
A. Brueckner-Foit;F. Zeismann;L. Zellmer

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在SPring-8同步加速器上对铁素体马氏体钢中的物理小裂纹进行了分析。在静态和循环载荷下的裂纹形状的变化,可以确定除了裂纹形状通过安装在梁加载阶段的微试样。通过使用体积数字图像相关性比较裂纹面的三维图像,可以获得额外的信息。然后,裂纹面上的位移场是可用的,这反过来,可以与由连续切片和取向显微镜确定的微观结构。
Physically small cracks in a ferritic martensitic steel were analyzed in the SPring-8 synchrotron facility. Change in the crack shape under static and cyclic loading could be determined in addition to the crack shape by mounting micro-specimens in an in- beam loading stage. Additional information can be gained by comparing three-dimensional images of the crack faces using volumetric digital image correlation. The displacement field on the crack faces is then available which, in turn, can be correlated to the microstructure determined by serial sectioning and orientation microscopy.
马氏体相对铁素体-马氏体钢中微裂纹扩展的影响
DOI: 10.4028/www.scientific.net/amr.891-892.301
发表时间: 2014
期刊: Advanced Materials Research
影响因子: --
作者:
A. Brueckner-Foit;P. Pitz;F. Zeismann;Lisa Zellmer
通讯作者: Lisa Zellmer