Engineering interfacial thermal transport through comparative analysis of electrospraying and dip coating of silanized h-BN for thermo-mechanical enhancement of CF/Epoxy composites

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dc.authorid0000-0001-8151-668X
dc.authorid0000-0002-5940-7345
dc.authorid0000-0002-3204-6746
dc.contributor.authorMehdipour, Mostafa
dc.contributor.authorDogan, Semih
dc.contributor.authorTabrizi, Arvin Taghizadeh
dc.contributor.authorBafqi, Mohammad Sajad Sorayani
dc.contributor.authorBeylergil, Bertan
dc.contributor.authorYildiz, Mehmet
dc.contributor.authorOkan, Burcu Saner
dc.date.accessioned2026-01-24T12:31:08Z
dc.date.available2026-01-24T12:31:08Z
dc.date.issued2025
dc.departmentAlanya Alaaddin Keykubat Üniversitesi
dc.description.abstractThe inherently low thermal conductivity of carbon fiber (CF) reinforced epoxy composites is mainly due to porosity and fabrication defects that interrupt thermal pathways. This study demonstrated a pathway to control heat in both out-of-plane and in-plane directions by incorporating hexagonal boron nitride (h-BN) as a thermally conductive agent and by configuring interface interactions on the CF and within the epoxy resin while evaluating physical and chemical interactions. Two integration techniques of dip coating and electrospraying were employed to apply h-BN, effectively creating robust h-BN layers on CF and dispersing neat or silane-modified hBN within the epoxy matrix by combining vacuum bag and hot compression processes to reduce void content. Electrospraying silane-modified h-BN onto carbon fiber, together with incorporating 20 wt% silane-modified hBN into the matrix, resulting in a total loading of 11 wt% in the composite-led to the highest out-of-plane thermal conductivity of 1.3 W/mK, representing a 166 % increase compared to CF reinforced into epoxy composite (CF+/ EP) with the out-of-plane thermal conductivity of 0.49 W/mK. Mechanically, the configuration using neat h-BN in both the matrix and dip-coated CF achieved a 127 % increase in flexural modulus and a 49 % improvement in Charpy impact strength versus unfilled CF/epoxy composites. Resizing the CF improved directional thermal conductivity in CF/epoxy composites by controlling porosity, achieving approximately an 81 % reduction in porosity when using silanized h-BN.
dc.description.sponsorshipTurkish Energy Nuclear and Mineral Research Agency-National Boren Research Institute (TENMAK-BOREN) [2020-31-07-15-002]
dc.description.sponsorshipThis project is supported by the Turkish Energy Nuclear and Mineral Research Agency-National Boren Research Institute (TENMAK-BOREN) with the project number 2020-31-07-15-002.
dc.identifier.doi10.1016/j.compositesa.2025.109264
dc.identifier.issn1359-835X
dc.identifier.issn1878-5840
dc.identifier.scopus2-s2.0-105015147742
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.compositesa.2025.109264
dc.identifier.urihttps://hdl.handle.net/20.500.12868/5666
dc.identifier.volume199
dc.identifier.wosWOS:001565074300001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofComposites Part A-Applied Science and Manufacturing
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260121
dc.subjectHexagonal boron nitride
dc.subjectThermoset composites
dc.subjectDimensional thermal conductivity
dc.subjectMechanical properties
dc.titleEngineering interfacial thermal transport through comparative analysis of electrospraying and dip coating of silanized h-BN for thermo-mechanical enhancement of CF/Epoxy composites
dc.typeArticle

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