Abstract
Lotus-type porous metals with aligned slender cylindrical pores are fabricated by unidirectional solidification from the melt with a dissolved gas such as hydrogen, nitrogen or oxygen. The gas atoms can be dissolved into the melt via a pressurized gas atmosphere or thermal decomposition of gaseous compounds. Three types of solidification techniques have been developed: mold casting, continuous zone melting and continuous casting techniques. The last technique is superior from the viewpoint of mass production of lotus metals.
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Acknowledgments
The author would like to appreciate to Drs. S.K.Hyun, T.Ikeda, S.Suzuki, T.Tane, T.Ide and R.Nakamura of Osaka University.
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© 2013 Springer Japan
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Nakajima, H. (2013). Fabrication of Porous Metals with Slender Directional Pores. In: Kakeshita, T. (eds) Progress in Advanced Structural and Functional Materials Design. Springer, Tokyo. https://doi.org/10.1007/978-4-431-54064-9_2
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DOI: https://doi.org/10.1007/978-4-431-54064-9_2
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