Joining of two foamed porous aluminum by roll forming immediately after foaming

In this study, the joining of porous aluminum by roll forming was attempted. Two precursors were foamed by heat treatment, and the softened porous aluminum immediately after foaming was roll-formed. It was shown that porous aluminum was simultaneously formed and joined by roll forming while maintain...

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Bibliographic Details
Published inJournal of Japan Institute of Light Metals Vol. 73; no. 1; pp. 31 - 35
Main Authors Amagai, Kenji, Suzuki, Kodai, Hangai, Yoshihiko
Format Journal Article
LanguageJapanese
Published Tokyo The Japan Institute of Light Metals 15.01.2023
Japan Science and Technology Agency
Subjects
Aluminum
foam
Foaming
Fracture surfaces
friction stir welding
Heat treatment
jointing
Precursors
Roll forming
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ISSN0451-5994
0368-5306
1880-8018
2186-618X
DOI10.2464/jilm.73.31

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Summary:In this study, the joining of porous aluminum by roll forming was attempted. Two precursors were foamed by heat treatment, and the softened porous aluminum immediately after foaming was roll-formed. It was shown that porous aluminum was simultaneously formed and joined by roll forming while maintaining the porous structure of porous aluminum. In the results of the four-point bending test of the joined samples, pores were observed at the fracture surfaces, indicating that strong joining can be achieved by roll forming. In addition, it was found that strong joining was achieved by optimizing the width of the guide rails during roll forming, in accordance with the size of the precursors.
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ISSN:0451-5994
0368-5306
1880-8018
2186-618X
DOI:10.2464/jilm.73.31