20306 超塑性ダイレス引抜き原理によるマイクロチューブの創成実験(OS14 機能性マイクロデバイスの創製・評価)  [in Japanese] 20306 Fabrication of Superplastic Microtubes using Dieless Drawing  [in Japanese]

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Abstract

In this paper, fabrication process of microtube using superplastic dieless tube drawing is studied experimentally. Superplastic material used is Al-78Zn (SPZ) alloy tube with outer diameter of 2mm and wall thickness of 0.5mm. A high-frequency induction heating apparatus with air cooling nozzle is used for the dieless drawing. In the experiment of three-pass dieless drawing, a microtube with outer and inner diameters of 343μm and 161μm, respectively can be fabricated successfully. In addition, from the experimental results, it is confirmed that the ratio of inner to outer tube diameters maintains a constant value in the dieless drawing. In other words, the geometrical similarity with the minimization of dimension is satisfied.

Journal

  • The Proceedings of Conference of Kanto Branch

    The Proceedings of Conference of Kanto Branch 2005.11(0), 295-296, 2005

    The Japan Society of Mechanical Engineers

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