Density gradients in aluminium foams: characterisation by computed tomography and measurements of the effective thermal conductivity

E. Solórzano; M. A. Rodríguez-Pérez; J. A. Reglero; J. A. de Saja

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Density gradients in aluminium foams: characterisation by computed tomography and measurements of the effective thermal conductivity

机译：泡沫铝中的密度梯度：通过计算机断层扫描法表征和测量有效导热率

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The density gradients present in several aluminium foams, produced by the powder metallurgical route, have been analysed by using computed tomography and by measuring the effective thermal conductivity (λ). The method used to measure λ, Transient Plane Source (TPS) technique, allows obtaining values of the local thermal conductivity, i.e. conductivity of a localised zone within the sample. These values have been related to the density of the measured zone, which was obtained from the computed tomography experiments. A power law relationship between local effective thermal conductivity and local density has been obtained.

机译：通过使用计算机断层扫描和通过测量有效导热率（λ），可以分析通过粉末冶金路线生产的几种铝泡沫中存在的密度梯度。用于测量λ的方法，瞬态平面源（TPS）技术，允许获得局部热导率的值，即样品内局部区域的电导率。这些值与从计算机断层摄影实验获得的测量区域的密度有关。已经获得了局部有效热导率和局部密度之间的幂律关系。

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《Journal of Materials Science》 |2007年第8期|2557-2564|共8页
作者
E. Solórzano; M. A. Rodríguez-Pérez; J. A. Reglero; J. A. de Saja;
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Dpto Física de la Materia Condensada Facultad de Ciencias Universidad de Valladolid 47011 Valladolid Spain;

Dpto Física de la Materia Condensada Facultad de Ciencias Universidad de Valladolid 47011 Valladolid Spain;

Index. Servicios de Ingeniería Miranda de Ebro Spain;

Dpto Física de la Materia Condensada Facultad de Ciencias Universidad de Valladolid 47011 Valladolid Spain;

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1. Density gradients in aluminium foams: characterisation by computed tomography and measurements of the effective thermal conductivity [J] . Solorzano E, Rodriguez-Perez MA, Reglero JA, Journal of Materials Science . 2007,第8期

机译：泡沫铝中的密度梯度：通过计算机断层扫描法表征和测量有效导热率
2. Quantitative characterisation of low-density, high performance polymeric foams using high resolution X-ray computed tomography and laser confocal microscopy [J] . F. De Pascalis, M. Nacucchi, M. Scatto, NDT & E international . 2016,第octa期

机译：使用高分辨率X射线计算机断层扫描和激光共聚焦显微镜对低密度，高性能聚合物泡沫进行定量表征
3. Quantitative characterisation of low-density, high performance polymeric foams using high resolution X-ray computed tomography and laser confocal microscopy [J] . De Pascalis F., Nacucchi M., Scatto M., NDT & E International: Independent Nondestructive Testing and Evaluation . 2016,第Null期

机译：使用高分辨率X射线计算机断层扫描和激光共聚焦显微镜对低密度，高性能聚合物泡沫进行定量表征
4. Characterization of the internal structure of aluminium foams by thermal conductivity values and computed tomography [C] . E. Solorzano, J.A. Reglero, M.A. Rodriguez-Perez, Symposium on Cellular Metals and Polymers . 2005

机译：热导率值和计算机断层扫描的铝泡沫内部结构的表征
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Density gradients in aluminium foams: characterisation by computed tomography and measurements of the effective thermal conductivity

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