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首页> 外文会议>Symposium on Cellular Metals and Polymers; 20041012-14; Furth(DE) >Quantitative structural characterization of aluminium foams by micro computer tomography
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Quantitative structural characterization of aluminium foams by micro computer tomography

机译：微型计算机层析成像技术定量分析泡沫铝的结构

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The paper presents the three dimensional analysis of the geometric structure of different aluminium foams by means of micro tomography at spatial resolutions of 10 μm using a synchrotron radiation based setup, and 100 μm using a tabletop cone beam setup, respectively. The most important methods for the calculation of foam structure parameters by means of 3D image processing methods, like feature segmentation and labelling as well as granulometry are described and applied to different closed-cell Al-foams produced by a powder-metallurgical processing route. The analysis steps can be used as a standard procedure to characterize the structure of closed as well as open cell foams or other kind of porous materials like e.g. sponges. As an example, the temporal development of foams during their ageing could be observed by ex-situ determination of the geometric structure parameters.
机译：本文介绍了通过显微层析成像技术对不同泡沫铝材料的几何结构进行的三维分析，分别使用基于同步辐射的设置和使用台式锥形束设置的空间分辨率分别为10μm和100μm。描述了通过3D图像处理方法计算泡沫结构参数的最重要方法，例如特征分割和标记以及粒度分析，并将其应用于通过粉末冶金加工路线生产的不同闭孔Al泡沫。分析步骤可用作标准程序，以表征闭孔和开孔泡沫或其他种类的多孔材料（例如泡沫）的结构。海绵。例如，可以通过异位确定几何结构参数来观察泡沫老化过程中的时间发展。

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