Catastrophic Neck-Flow Transition during Laser-Heated Drawing of Poly (ethylene terephthalate) Fiber

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Poly (ethylene terephthalate) fiber was continuously flow-drawn to a draw ratio of more than 20 with heating by laser irradiation. High-speed video imaging and drawing tension measurement observed a clear transition between the neck-drawing state and the flow-drawing state. A neck shape vanished at a draw ratio of about 3.2 and was accompanied by a steep drop in drawing tension. Drawing stress during flow drawing is about 2 orders of magnitude smaller than the stress during neck drawing. The fiber broke at a draw ratio of about 25, immediately following instantaneous appearance of necking-like deformation. A critical drawing stress, about 6 MPa for post-drawn fiber, marks the transition between the neck drawing and the flow drawing.

収録刊行物

  • 繊維学会誌

    繊維学会誌 58(5), 182-184, 2002-05-10

    The Society of Fiber Science and Technology, Japan

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各種コード

  • NII論文ID(NAID)
    10008574768
  • NII書誌ID(NCID)
    AN00131651
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    00379875
  • NDL 記事登録ID
    6160456
  • NDL 雑誌分類
    ZP33(科学技術--繊維工学・工業)
  • NDL 請求記号
    Z17-189
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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