超音波顕微鏡画像を用いた繊維強化プラスチック中の3次元繊維配向分布の計測 Measurement of Three Dimensional Fiber Orientation Distribution in Fiber Reinforced Thermoplastics Using Scanning Acoustic Microscopy

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著者

    • 川村 宗弘 KAWAMURA Munehiro
    • 山口県工業技術センター 電子応用室 Electrotechnology Laboratory, Industrial Technology Institute, Yamaguchi Prefectural Government
    • 守田 了 MORITA Satoru
    • 山口大学 工学部 知能情報システム工学科 Department of Computer Science and Systems Engineering, Faculty of Engineering, Yamaguchi University
    • 田中 稔 [他] TANAKA Minoru
    • 山口大学 工学部 知能情報システム工学科 Department of Computer Science and Systems Engineering, Faculty of Engineering, Yamaguchi University

抄録

Measurement of fiber orientation is an important inspection item to examine the shape and strength of products. Fiber orientation has been measured from photographs of thinly sliced FRP or by observation of the orientational behavior of maker fibers. However, only two dimensional fiber orientation is obtained with photographs. In recent years, the measurement of three-dimensional fiber orientation using scanning electric microscopy has been reported. However, research data on three-dimensional orientation distributions is insufficient. We report on a method of measuring the three-dimensional fiber orientation using the scanning acoustic microscope.<br>The method to we propose involves visualizing the interference fringes along the fibers, and calculating three-dimensional fiber orientation of parameters from these interference fringes. Finally, the distribution of fiber orientations is measured at each position. A merit of the method that we propose is the lack of ambiguity in comparison with a method using elliptical marks on sectioned polished surfaces and this method is not influenced by noise patterns.<br>The following results were obtained:<br>(1) We were able to measure the three-dimensional fiber orientation non-destructively.<br>(2) Using a test pattern, the measured orientation parameters almost agree with the theoretical parameters.<br>(3) For test specimens with uneven surface, we confirmed the vertical distribution of the fiber orientation in the concave position of the surface.<br>We were thus able to confirm the validity of the proposed method by experiments.

収録刊行物

  • 成形加工  

    成形加工 9(11), 913-919, 1997-11 

    The Japan Society of Polymer Processing

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各種コード

  • NII論文ID(NAID)
    10002130273
  • NII書誌ID(NCID)
    AN10278882
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09154027
  • NDL 記事登録ID
    4344517
  • NDL 雑誌分類
    ZP17(科学技術--化学・化学工業--高分子化学・高分子化学工業--ゴム・プラスチックス)
  • NDL 請求記号
    Z17-1254
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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