Bulk observation of aluminum green compacts by way of X-ray tomography

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• 作者：Shidi Yang ; Wei Fang ; Yongheng Chi ; Dil Faraz Khan ; Ruijie Zhang ; Xuanhui Qu
• 关键词：Green compact ; Relative density distribution ; Pore ; Image processing
• 刊名：Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
• 出版年：15 January, 2014
• 年：2014
• 卷：319
• 期：Complete
• 页码：146-153
• 全文大小：2220 K

文摘

A quantitative X-ray tomographic analysis of the relative density distribution and porosity in green compacts is presented. In this study, image processing is used to quantify binary images obtained from original reconstructed images. After 3D reconstruction using the binary images, quantitative observations from the 3D renderings are performed to analyze the relative density distribution of the green compacts. On the basis of the results, the different relative density distributions of the green compacts pressed by different pressures are discussed. Statistical morphological analysis of the pores in the green compacts is also performed and the results confirm that the morphological characteristics of the pores are different in the case of different compaction pressures.