On the Evaluation of Fatigue Strength Characteristics of Adhesively Bonded CFRP Pipe/Steel Rod Joint under Rotating Bending Fatigue.

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  • ＣＦＲＰパイプ／鋼軸接着継手の回転曲げ荷重下における疲労強度特性の評価
  • CFRP パイプ コウジク セッチャク ツギテ ノ カイテン マゲ カジュウカ

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Abstract

In order to investigate the key parameter governing the fatigue strength of adhesively bonded CFRP pipe/steel rod joint, a series of rotating bending fatigue tests were carried out on the joints with different lap length and with different pipe thickness. And, the fatigue strength data were discussed on the basis of stress distributions in the adhesive layer determined by FEM analysis. The results indicated that the fatigue strength of this type of joint was mainly governed by the maximum tensile stress normal to the bond interface at the lap end.

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