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Interlocked thin-ply reinforcements for improved fracture toughness and compression after impact

Pascoe, John-Alan; Pimenta, Soraia; Pinho, Silvestre Taveira

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  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.1476887", 
  "language": "eng", 
  "title": "Interlocked thin-ply reinforcements for improved fracture toughness and compression after impact", 
  "issued": {
    "date-parts": [
  "abstract": "<p>This dataset contains data showing the effect of interlocked thin-ply reinforcement units on the fracture toughness and compression after impact strength of CFRP laminates. For both the fracture toughness and the CAI experiments, tests were conducted on non-reinforced baseline specimens, as well as reinforced specimens. These experiments were conducted to test a reinforcement concept,&nbsp; consisting of creating reinforcement units by interlocking two thin-ply prepreg layers with a tab-and-slit geometry. These reinforcement units are then inserted between the plies of a regular composite lay-up.</p>\n\n<p>This reinforcement concept was first presented at the 18th European Conference on Composite Materials (2018, Athens, Greece). More information on the concept can be found at:;</p>\n\n<p>The fracture toughness section of this dataset contains both mode I and mode II data. The mode I data was acquired using DCB specimens, and the mode II data was obtained from 4-point end notch flexure tests. Force, displacement, crack length, and strain energy release rate during the test are provided for all specimens.</p>\n\n<p>The CAI section of the dataset contains post-impact C-scans, as well as force, displacement, and strain gauge data from the subsequent compression tests.</p>\n\n<p><br>\n&nbsp;</p>", 
  "author": [
      "family": "Pascoe, John-Alan"
      "family": "Pimenta, Soraia"
      "family": "Pinho, Silvestre Taveira"
  "note": "The authors are grateful for the funding received from the EPSRC under grant number EP/M002500/1. \n\nS. Pimenta acknowledges the royal Academy of Engineering for her Research Fellowship on \"Multiscale discontinuous composites for large scale and sustainable structural applications\" (2015-2019).", 
  "type": "dataset", 
  "id": "1476887"
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