期刊
SCRIPTA MATERIALIA
卷 68, 期 9, 页码 723-726出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.01.011
关键词
Porous material; Foam; Iron alloys; Dealloying
类别
资金
- JSPS KAKENHI [24760566]
- Grants-in-Aid for Scientific Research [24760566, 23656422] Funding Source: KAKEN
Open-cell macroporous Fe, Cr and their alloys were prepared by dealloying with a metallic melt. By immersing (Fe, Cr)(30)Ni-70 precursors in a Mg melt, Ni selectively dissolved into the Mg and the remaining components formed a bicontinuous structure. Analyses of the thermal coarsening in the melt reveal that evolution of the porous structure is controlled by interfacial diffusion between the melt and precursor solid. The underlying mechanism for the nanoporous structure formation is therefore the same as that in aqueous solution. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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