Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/12180
Title: A numerical methodology for monitoring stress distributions and experimental proof of the concept on metal embedded thin polymer-matrix composites using X-ray Diffraction
Authors: Demir, Eralp
Sas, Hatice S.
Işık, Murat
Aydoğan Güngör, Eda
Davut, Kemal
Keywords: Least-squares FEM
Meshless interpolation
Plane stress
Publisher: Elsevier
Abstract: In this study, a numerical methodology is developed to monitor stress distributions and an experimental technique is investigated to measure stresses on metal embedded polymer matrix fiber-reinforced composite materials using X-ray diffraction (XRD) method. The numerical method successfully predicts the stress distributions using only a few data points with an average accuracies of 11.6% and 11.8%, respectively for tapered and open hole tensile sample geometries. Experimental part of this study investigates different methodologies to measure stresses on surfaces of polymer composites materials of thin walled structures by XRD. For this reason, metallic materials were integrated onto the surface and near-surface of polymer matrix composites in three different configurations as in the forms of metal foil, metal powder, and metal wire mesh. In-situ experiments of measured and applied stresses revealed metal powder embedded composite materials as a promising material configuration for reliable monitoring of stresses.
URI: https://doi.org/10.1016/j.tws.2022.108942
https://hdl.handle.net/11147/12180
ISSN: 0263-8231
Appears in Collections:Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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