Adhesive Tensile Strengths of Scarf and Butt Joints of Steel Plates : 1st Report, A Case of Brittle Adhesive

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Adhesive tensile strengths, o f scarf joints with various scar f angles and butt joints with various adhesive layer thicknesses have been measured to establish fracture criterion for joints of steel plates bonded by brittle epoxy adhesive. A three-dimensional elastic stress analysis of these joints was performed by FEM. Fractures of both joints were explained quantitatively by introducing a boundary layer depth of 0.035 mm at free surfaces of adhesive layers and obeying maximum principal stress criterion. In adhesive layers of scarf joints with 0.1 mm layer thickness, the boundary layer depth of 0.035 mm included most of stress concentrated area at free surfaces. Locations of fracture initiation and fracture modes of adhesive layers observed with an optical microscope and a scanning electron microscope agreed with those expected from stress distributions and boundary layer conception.

収録刊行物

  • Bulletin of JSME

    Bulletin of JSME 27(233), 2372-2379, 1984

    一般社団法人日本機械学会

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各種コード

  • NII論文ID(NAID)
    110002357379
  • NII書誌ID(NCID)
    AA0058509X
  • 本文言語コード
    ENG
  • 資料種別
    雑誌論文
  • ISSN
    0021-3764
  • データ提供元
    CJP引用  NII-ELS  J-STAGE 
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