3D Characterisation of Metallic Foams by Micro Tomography

机译：金属泡沫的3D层析成像表征

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The present paper highlights results from the priority program "Cellular Metals" of the Deutsche For-schungsgemeinschaft (DFG SPP 1075). Metallic foams were investigated by 3D micro tomography (3DμCT). Two types of aluminium foams (ALULIGHT and ALPORAS) as well as an iron based foam sintered from hollow spheres were used for investigation. The aim of this study was to develop 3D software tools which would be able to link the measured properties of the foams to mechanical parameters. A method to characterise the density and the homogeneity of the foams is proposed. An algorithm for pore detection and pore size calculation is presented, in addition a method for separation of wall and nodes. Internal deformation of samples after subsequent pressing is shown, a software tool for calculation of the partial shift in 3D is also demonstrated.

机译：本文重点介绍了德意志联邦理工学院优先项目“蜂窝金属”（DFG SPP 1075）的结果。通过3D显微断层扫描（3DμCT）研究了金属泡沫。研究使用了两种类型的铝泡沫（ALULIGHT和ALPORAS）以及从空心球烧结而成的铁基泡沫。这项研究的目的是开发3D软件工具，该工具能够将泡沫的测量特性与机械参数联系起来。提出了表征泡沫的密度和均质性的方法。提出了一种用于孔检测和孔径计算的算法，以及一种用于分离壁和节点的方法。显示了随后压制后样品的内部变形，还演示了用于计算3D部分位移的软件工具。

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《Symposium on Cellular Metals and Polymers; 20041012-14; Furth(DE)》|2004年|P.147-150|共4页
会议地点 Furth(DE)
作者
E. JASIUNIENE; Y. ONEL; B. ILLERHAUS;
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Federal Institute for Materials Research and-Testing (BAM), Unter den Eichen 87, 12205 Berlin, Germany;

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原文格式 PDF
正文语种 eng
中图分类金属材料;
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3D Characterisation of Metallic Foams by Micro Tomography

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