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Failure in co-cured composite joints enhanced with J-272 film

Composites Communications, ISSN: 2452-2139, Vol: 44, Page: 101762
2023
  • 1
    Citations
  • 0
    Usage
  • 4
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    1
  • Captures
    4
  • Mentions
    1
    • News Mentions
      1
      • 1

Most Recent News

Studies in the Area of Composites Communications Reported from Harbin Institute of Technology (Failure In Co-cured Composite Joints Enhanced With J-272 Film)

2023 DEC 28 (NewsRx) -- By a News Reporter-Staff News Editor at Politics, Law & Government Daily -- Investigators publish new report on Global Views

Article Description

Lightweight and high strength CFRP material has been applied to airspace industry to realize lightweight aircraft. Nowadays, composite T-joint is a common adhesive joint type used in aircraft CFRP load-bearing structure. This study employed T300/7901 prepreg and J-272 film as the adhesive in the deltoid of T-joints, and produce T-shaped specimens via co-curing. The start point of failure location is located at deltoid through pull-off test combined with digital image correlation system. In the pull-off test, the failure of the T-joint specimen, the deltoid of which was filled with T300/7901 prepreg and J-272 film, exhibited progressive failure mechanism from rib web to skin. Compared to adherence with T300/7901 prepreg, the initial failure load and toughness of composite T-joints adhered with J-272 film were increased 24.3% and 34.7%, in which J-272 film boosted the interfacial binding between the rib web and the skin.

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