Comments on 'Electrical conductivity of open-cell metal foams' by K.P. Dharmasena and H.N.G. Wadley [J. Mater. Res. 17, 625 (2002)]

Marina Pervukhina; Maxim Lebedev

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Comments on 'Electrical conductivity of open-cell metal foams' by K.P. Dharmasena and H.N.G. Wadley [J. Mater. Res. 17, 625 (2002)]

机译：K.P.对``开孔金属泡沫的电导率''的评论Dharmasena和H.N.G.沃德利[J.母校Res。 17，625（2002）]

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Electrical conductivity of open-cell metallic foam calculated by Dharmasena and Wadley using the tetrakaidecahedral cell-based model with ligaments of constant or varying triangular cross sections along the cell edges was mistakenly concluded to strongly overestimate measured electrical conductivities of the open-cell aluminum foams (ERG Duocel). Accurate analysis shows that the model with triangular ligaments on the contrary underestimates the experimental results. A tetrakaidecahedral cell-based model that takes into account the particular ligament geometry, which is determined by constant mean curvature of ligament surfaces, is shown to explain the experimental data of electrical conductivity of the Duocel foams ranging in relative density from 4% to 12%.

机译：由Dharmasena和Wadley使用基于四开十二面体的，沿细胞边缘具有恒定或变化的三角形横截面的韧带的模型计算出的开孔金属泡沫的电导率被错误地得出结论，以至于高估了开孔铝泡沫的电导率（ ERG Duocel）。准确的分析表明，带有三角形韧带的模型反而低估了实验结果。显示了基于四面体的基于细胞的模型，该模型考虑了特定的韧带几何形状，该模型由韧带表面的恒定平均曲率确定，用于解释Duocel泡沫的电导率的实验数据，相对密度从4％到12％。

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来源
《Journal of Materials Research》 |2008年第5期|p.1202-1206|共5页
作者
Marina Pervukhina; Maxim Lebedev;
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作者单位

Commonwealth Scientific and Industrial Research Organization (CSIRO) Petroleum Resources, Kensington WA 6151, Australia;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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Comments on 'Electrical conductivity of open-cell metal foams' by K.P. Dharmasena and H.N.G. Wadley [J. Mater. Res. 17, 625 (2002)]

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