• Title/Summary/Keyword: Axialcollapsetest

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Axial Collapse Characteristics of Combined Aluminum CFRP Square Tubes for Light-Weight (경량화용 혼성 알루미늄 CFRP 사각튜브의 축 압궤특성)

  • 이길성;차천석;정진오;양인영
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2004.10a
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    • pp.110-113
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    • 2004
  • Aluminum and CFRP tube is light-weight material representatively but collapse mechanism is different under axial loading. Aluminum tube absorbs energy by stable plastic deformation under axialloading. While CFRP(Carbon Fiber Reinforced Plastics)tube absorb synergy by unstable brittle failure but its specific strength and stiffness is higher than that of aluminum tube. In this study, for complement of detect and synergy effect by combination with the advantages of each member, the axialcollapsetests were performed for combined aluminum CFRP tubes which are composed of aluminum tubes wrapped with CFRP out side aluminum square tubes. Collapsecharacteristics were analyzed for combined square tubes which have different CFRP orientation angle and thickness. Test results were compared with that of aluminum tubes and CFRP tubes.

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