ガラス短繊維強化熱可塑性樹脂の微量無機添加物(酸化チタン)による引張強度低下に関するマイクロメカニックス的研究 Micromechanics Study of Tensile Strength Deterioration of Short Glass Fiber Reinforced Thermoplastics by a Slight Amount of Inorganic Addition Agent(Titanium Dioxide)

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著者

    • 山田 勝弘 YAMADA Katsuhiro
    • 東北大学工学部機械航空工学科, 新日鐡化学(株)商品開発センター Department of Aeronautics and Space Engineering, Faculty of Engineering, Tohoku University, Product Research & Development Laboratories, Nippon Steel Chemical Co.
    • 鈴木 寛 SUZUKI Hiroshi
    • 東北大学工学部機械航空工学科 Department of Aeronautics and Space Engineering, Faculty of Engineering, Tohoku University
    • 関根 英樹 SEKINE Hideki
    • 東北大学工学部機械航空工学科 Department of Aeronautics and Space Engineering, Faculty of Engineering, Tohoku University

抄録

Tensile strength of injection-molded short glass fiber reinforced thermoplastics was remarkably decreased by the addition of a slight amount of titanium dioxide (TiO<SUB>2</SUB>) . Generally it is explained that the strength deterioration is due to much shortening of glass fiber length under processing, since the hardness of TiO<SUB>2</SUB> is higher than that of glass fibers. In this study, the influence of the addition of TiO<SUB>2</SUB> (0.2 wt%) to short glass fiber reinforced polyamide 6 on the strength of glass fibers in the composite was investigated. The tensile strength of the composite containing TiO<SUB>2</SUB> was fairly lower than that of the composite without TiO<SUB>2</SUB>, even if the glass fiber lengths in the composite were unchanged. However, numerous flaws were observed on the surface of glass fibers in the composite containing TiO<SUB>2</SUB>. After tensile test of the composites, the pull-out lengths of glass fibers were measured and the variation of Weibull moduli was estimated by using the data based on the Weibull weakest-link theory. As a result, the value of scale parameter decreased markedly by the addition of TiO<SUB>2</SUB>. Namely, it was found that the main factor of the strength deterioration of short glass fiber reinforced polyamide 6 containing TiO<SUB>2</SUB> was weakening of glass fibers.

収録刊行物

  • 日本複合材料学会誌 = Journal of the Japan Society for Composite Materials

    日本複合材料学会誌 = Journal of the Japan Society for Composite Materials 21(2), 61-68, 1995-03-15

    JAPAN SOCIETY FOR COMPOSITE MATERIALS

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各種コード

  • NII論文ID(NAID)
    10002464280
  • NII書誌ID(NCID)
    AN00196748
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03852563
  • NDL 記事登録ID
    3615363
  • NDL 刊行物分類
    PA74(高分子化学・高分子化学工業--プラスチック--熱可塑性樹脂)
  • NDL 雑誌分類
    ZM16(科学技術--科学技術一般--工業材料・材料試験)
  • NDL 請求記号
    Z14-655
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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