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dc.contributor.authorYudhanto, Arief
dc.contributor.authorLubineau, Gilles
dc.contributor.authorVentura, Isaac Aguilar
dc.contributor.authorWatanabe, Naoyuki
dc.contributor.authorIwahori, Yutaka
dc.contributor.authorHoshi, Hikaru
dc.date.accessioned2015-08-03T12:32:48Z
dc.date.available2015-08-03T12:32:48Z
dc.date.issued2015-04
dc.identifier.citationYudhanto, A., Lubineau, G., Ventura, I. A., Watanabe, N., Iwahori, Y., & Hoshi, H. (2015). Damage characteristics in 3D stitched composites with various stitch parameters under in-plane tension. Composites Part A: Applied Science and Manufacturing, 71, 17–31. doi:10.1016/j.compositesa.2014.12.012
dc.identifier.issn1359835X
dc.identifier.doi10.1016/j.compositesa.2014.12.012
dc.identifier.urihttp://hdl.handle.net/10754/564115
dc.description.abstractThree-dimensional (3D) reinforcement by stitching is effective in improving the impact resistance of composites. Stitching, however, adversely affects the composite's in-plane mechanical responses, and alters its damage mechanisms due to stitch-induced irregularities. We experimentally investigate the effect of two important stitch parameters, stitch density and thread diameter, on the damage characteristics of 3D stitched multidirectional composites under in-plane tension using X-ray radiography, X-ray micro-computed tomography and digital image correlation (DIC). Our study shows that composites stitched with thicker thread exhibit improved tensile strength due to effective hindrance of edge-delamination. We also found that stitch thread affects damage behaviors. A higher number of transverse cracks develops in the middle portion of thin 90° fiber tows; the inter-crack distance is reduced by dense stitching. DIC is able to identify the cracks that appear in resin-rich channels and distinguish strain fields due to different stitch densities.
dc.description.sponsorshipThe authors would like to thank the Tokyo Metropolitan Government for the research funding provided under Asian Network of Major Cities 21 (ANMC-21) project. Part of this research was supported by MUST baseline research funds. We acknowledge the advise from Mr. Ali Moussawi on the DIC technique. We also thank Dr. Karl Leo of the Solar and Photovoltaic Engineering Research Center (SPERC) of MUST for the use of the micro-CF facility.
dc.publisherElsevier BV
dc.subjectA. 3-Dimensional reinforcement
dc.subjectA. Polymer-matrix composites (PMCs)
dc.subjectB. Delamination
dc.subjectB. Transverse cracking
dc.titleDamage characteristics in 3D stitched composites with various stitch parameters under in-plane tension
dc.typeArticle
dc.contributor.departmentComposite and Heterogeneous Material Analysis and Simulation Laboratory (COHMAS)
dc.contributor.departmentMechanical Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.identifier.journalComposites Part A: Applied Science and Manufacturing
dc.contributor.institutionDepartment of Aerospace Engineering, Tokyo Metropolitan University, 6-6 Asahigaoka, Hino-shiTokyo, Japan
dc.contributor.institutionAdvanced Composite Research Center, Institute of Aeronautical Technology, Japan Aerospace Exploration Agency (JAXA), 6-13-1 Osawa, Mitaka-shiTokyo, Japan
kaust.personYudhanto, Arief
kaust.personLubineau, Gilles
kaust.personVentura, Isaac Aguilar


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