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Drake, Daniel A; Sullivan, Rani W; Lovejoy, Andrew E; Clay, Stephen B; Jegley, Dawn C

Influence of stitching on the out-of-plane behavior of composite materials – A mechanistic review

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  • Medientyp: E-Artikel
  • Titel: Influence of stitching on the out-of-plane behavior of composite materials – A mechanistic review
  • Beteiligte: Drake, Daniel A; Sullivan, Rani W; Lovejoy, Andrew E; Clay, Stephen B; Jegley, Dawn C
  • Erschienen: SAGE Publications, 2021
  • Erschienen in: Journal of Composite Materials
  • Sprache: Englisch
  • DOI: 10.1177/00219983211009290
  • ISSN: 0021-9983; 1530-793X
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p>Fiber-reinforced polymer composites are widely used in the aerospace industry due to their high stiffness and strength-to-weight ratios. However, their applicability can be limited by their relatively low interlaminar properties when compared to metallic alternatives. Through-thickness reinforcement approaches, such as stitching, z-pinning, needling, tufting, and three-dimensional weaving, have been developed in recent decades to enhance the interlaminar properties of composites. Stitching is considered to be an efficient and cost-effective method to reinforce composites in the through-thickness direction. Additionally, stitch parameters (stitch density, linear thread density, thread material, pretension, etc.) highly influence the in-plane and out-of-plane properties. This paper summarizes results from over one hundred papers on the influence of stitch parameters on fracture energy, interlaminar strength, and impact characteristics of stitched composite laminates, sandwich composites, and high-temperature composites. Much of the research on the influence of stitch parameters has focused on thermoset polymer matrix composites (PMCs), while fewer studies have investigated the impact of stitch parameters on high temperature or sandwich composites. Modification of existing and new test methods have been developed to adequately measure the effectiveness of stitching on the out-of-plane behavior of PMC panels. Results demonstrate that out-of-plane properties of PMCs are highly dependent on stitch parameters and can be enhanced by through-thickness stitching.</jats:p>