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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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        "affiliation": "Imperial College London", 
        "name": "Pascoe, John-Alan", 
        "orcid": "0000-0002-1825-0097"
        "affiliation": "Imperial College London", 
        "name": "Pimenta, Soraia", 
        "orcid": "0000-0002-1603-5940"
        "affiliation": "Imperial College London", 
        "name": "Pinho, Silvestre Taveira", 
        "orcid": "0000-0001-5727-7041"
    "description": "<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>", 
    "doi": "10.5281/zenodo.1476887", 
    "keywords": [
      "Fracture toughness", 
      "Compression after impact", 
      "Mode I", 
      "Mode II", 
      "Interlaminar reinforcement", 
      "Damage tolerance", 
      "Ply-level structures"
    "language": "eng", 
    "license": {
      "id": "CC-BY-4.0"
    "notes": "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).", 
    "publication_date": "2018-11-02", 
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    "title": "Interlocked thin-ply reinforcements for improved fracture toughness and compression after impact"
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  "updated": "2019-02-08T14:02:01.598944+00:00"
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