機械材料・材料加工技術講演会講演論文集
Online ISSN : 2424-287X
セッションID: 102
会議情報
102 摩擦撹拌インクリメンタルフォーミングおよびハンマリング加工の組合わせによる発泡アルミニウムの表面緻密層の増厚化
松本 良森 成秀大津 雅亮宇都宮 裕
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To fabricate thick nonporous surface layer on a closed-cell type aluminum foam (Shinko Wire Company, Ltd.: ALPORAS, relative density: 0.1, mean diameter of pore: φ4 mm) without causing the inside fracture, friction stir incremental forming (FSIF) and incremental hammering (IH) processes were combined. The cell walls at surface of the aluminum foam were folded by IH in the early stage of the process, and then the folded cell walls were stirred and joined by FSIF. The nonporous surface layer fabricated by the combination of IH and FSIF was approximately 1.6-4.0 times thicker than that fabricated by FSIF.

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