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Metals 2019, 9(2), 223; https://doi.org/10.3390/met9020223

Shaping of Aluminum Foam during Foaming of Precursor Using Steel Mesh with Various Opening Ratios

1
Faculty of Science and Technology, Gunma University, Kiryu 376-8515, Japan
2
Department of Mechanical Engineering, Shibaura Institute of Technology, Tokyo 135-8548, Japan
3
Institute of Industrial Science, The University of Tokyo, Tokyo 153-8505, Japan
*
Author to whom correspondence should be addressed.
Received: 28 December 2018 / Revised: 23 January 2019 / Accepted: 5 February 2019 / Published: 13 February 2019
(This article belongs to the Special Issue Recent Developments in Porous Metals and Metallic Foams)
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Abstract

In this study, steel meshes with various opening ratios φ were used to shape aluminum foams during precursor foaming. The effect of φ on the heating rate and shape of the obtained aluminum foams was investigated. It was found that steel meshes with various opening ratios can be used to shape aluminum foam. There is no significant effect on the pore structures of the obtained aluminum foams when upward expansion is restricted during foaming, regardless of the value of φ. The meshes with higher φ clearly transfer the mesh pattern onto the surface of the aluminum foam but require a shorter foaming time. In contrast, the lower-φ meshes produce aluminum foams with a smoother surface but a longer foaming time is required. View Full-Text
Keywords: cellular materials; foaming; precursor; optical heating cellular materials; foaming; precursor; optical heating
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Hangai, Y.; Nagahiro, R.; Ohashi, M.; Amagai, K.; Utsunomiya, T.; Yoshikawa, N. Shaping of Aluminum Foam during Foaming of Precursor Using Steel Mesh with Various Opening Ratios. Metals 2019, 9, 223.

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