Friction Stir Incremental Forming of Pure Aluminum Sheets Using Penetrating Tool

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  • Jiang Wei
    Dept. of Mechanical Engineering, Fac. of Engineering Univ. of Fukui
  • Otsu Masaaki
    Dept. of Mechanical Engineering, Fac. of Engineering Univ. of Fukui
  • Miura Takuya
    Dept. of Mechanical Engineering, Fac. of Engineering Univ. of Fukui
  • Okada Masato
    Dept. of Mechanical Engineering, Fac. of Engineering Univ. of Fukui
  • Matsumoto Ryo
    Dept. of Materials and Manufacturing Science, Graduate School of Engineering Osaka Univ.
  • Yoshimura Hidenori
    Dept. of Intelligent Mechanical Systems Engineering, Fac. of Engineering Kagawa Univ.
  • Muranaka Takayuki
    Dept. of Mechanical Engineering, Fukui National College of Technology

Bibliographic Information

Other Title
  • 貫通式ツールによる純アルミニウム板の摩擦攪拌インクリメンタルフォーミング
  • （第1報 加工法の開発）
  • -1st Report: Development of Forming Process-

Abstract

<p>Friction stir incremental forming is a forming method of sheet metals which has combined incremental forming with friction stir welding and has a higher formability than incremental forming. But it still cannot form concave-convex shape. To solve the problem, a new forming process which combined friction stir incremental forming with bobbin tool friction stir welding, called friction stir incremental forming using penetrating tool, was developed. A simple and practical penetrating tool was designed and friction stir welding experiment was carried out as preliminary experiment. A1050-O sheet with thickness 2 mm was used as specimens. Welding parameters were found and sheets were welded successfully. Forming in one direction by friction stir incremental forming using penetrating tool was also carried out. The cross-sectional shape was measured by using a laser displacement meter and formed depth was 4 mm.</p>

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