Steel and Composite Structures

  • 제17권2호
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  • Pages.199-213
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  • 2014
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Damage of scarf-repaired composite laminates subjected to low-velocity impacts

  • Cheng, Xiaoquan (School of Aeronautical Science and Engineering, Beihang University) ;
  • Zhao, Wenyi (School of Aeronautical Science and Engineering, Beihang University) ;
  • Liu, Shufeng (School of Aeronautical Science and Engineering, Beihang University) ;
  • Xu, Yunyan (School of Aeronautical Science and Engineering, Beihang University) ;
  • Bao, Jianwen (Beijing Institute of Aeronautical Materials)
  • 투고 : 2014.02.02
  • 심사 : 2014.08.04
  • 발행 : 2014.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

The damage characters of scarf repaired composite laminates subjected to low-velocity impact with various energy levels at different locations are studied experimentally. The results are compared with those of the original laminates which have no initial damage and don't need repair. The impact load-time history of the specimens, the velocity-time curves of the impactor, the post impact compressive strength of the specimens and the C-scan photographs of the damaged regions are obtained. The delamination threshold load and damage character of the specimen section at impact point are also studied. The results have shown that the impact response of a repaired composite laminate is sensitive to the location of the impact. The impact load and the delamination threshold load have shown different characters for specimens with different impact locations. The debonding characters of the adhesive and compressive strength after impact of the specimens are also influenced by impact locations.

키워드

참고문헌

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피인용 문헌

  1. Polypropylene fiber reinforced concrete plates under fluid impact. Part I: experiments vol.60, pp.2, 2016, https://doi.org/10.12989/sem.2016.60.2.211
  2. Low-velocity impact performance and effect factor analysis of scarf-repaired composite laminates vol.111, 2018, https://doi.org/10.1016/j.ijimpeng.2017.09.004
  3. Study on impact performances of scarf-repaired carbon fiber reinforced polymer laminates vol.34, pp.1, 2015, https://doi.org/10.1177/0731684414562465
  4. Effects of stacking sequence and rotation angle of patch on low velocity impact performance of scarf repaired laminates vol.133, 2018, https://doi.org/10.1016/j.compositesb.2017.09.020
  5. Low velocity impact response and dynamic stresses of thick high order laminated composite truncated sandwich conical shell based on a new TDOF spring-mass-damper model considering structural damping vol.26, pp.6, 2014, https://doi.org/10.12989/scs.2018.26.6.771
  6. Tensile After Impact Test of Scarf-Repaired Composite Laminates vol.44, pp.9, 2014, https://doi.org/10.1007/s13369-019-03857-z