Two-layered aluminum foam having layers with both closed-cell and open-cell pores was fabricated using the precursor foaming process and the sintering dissolution process. It was found that a two-layered Al foam with different pore structures but similar compression properties in each layer can be obtained. This foam is expected to have a region with superior thermal insulation and a region with superior heat release properties.
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The authors are grateful to Toyo Aluminium K.K., Japan, for providing the AC4CH alloy powder, and The Salt Industry Center of Japan for providing the NaCl powder. Furthermore, the authors thank Mr. T. Ishida, Mr. S. Ishida, and Mr. T. Nagata, PVR, Japan, for their great support in conducting optical heating. This work was partly financially supported by JSPS KAKENHI Grant-in-Aid for Scientific Research (B) (No. 16H04534).
Manuscript submitted October 3, 2017.
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Hangai, Y., Ikeda, H., Amagai, K. et al. Fabrication of Two-Layered Aluminum Foam Having Layers with Closed-Cell and Open-Cell Pores. Metall Mater Trans A 49, 4452–4455 (2018). https://doi.org/10.1007/s11661-018-4867-x