Evaluation of performance of asphalt binders containing capric acid based form-stable phase change materials

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dc.authorid0000-0003-3328-5922
dc.contributor.authorYilmaz, Bahadir
dc.contributor.authorMert, Hatice Hande
dc.contributor.authorSesli, Hasan
dc.contributor.authorOzdemir, Ahmet Muenir
dc.contributor.authorMert, Mehmet Selcuk
dc.date.accessioned2026-02-08T15:15:10Z
dc.date.available2026-02-08T15:15:10Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractPhase Change Materials (PCMs) are functional and promising materials due to their tailored properties designed for various applications. Considering the wide range of applications, the use of PCMs with asphalt binders has also attracted attention in recent years. This study focuses on the effect of the adding fatty acid-based shapestabilized composite PCM prepared by solvent-assisted impregnation to asphalt binders. For this purpose, a favorable material, capric acid (CA) was used. In addition, pumice (PUM), a natural and abundant material also known as lightweight aggregate, was preferred as the support material. The features of the prepared composite PCM was named CA-PUM, were examined by conducting the well-known methods, namely Fourier transform infrared (FT -IR) spectroscopy, scanning electron microscopy (SEM) and differential scanning calorimetry (DSC) analyses. The latent heat of melting of CA-PUM was found to be as 46.58 J/g with the incorporation ratio as 34.96 wt%, while the melting peak temperature was determined as 30.93 degrees C. The performance of modified asphalt binders with 0.5%-2.0% (wt/wt) CA-PUM were evaluated by penetration, softening point, rotational viscosity (RV), dynamic shear rheometer (DSR), rolling thin film oven (RTFO) and pressure aging vessel (PAV) tests. Based on the performance test results, the modified asphalt binder included 1.0 wt% CA-PUM demonstrated distinguishable properties in terms of increased resistance to deformations, the highest softening point and viscosity values besides to highest rutting performance.
dc.identifier.doi10.1016/j.conbuildmat.2024.136079
dc.identifier.issn0950-0618
dc.identifier.issn1879-0526
dc.identifier.scopus2-s2.0-85189749765
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.conbuildmat.2024.136079
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5644
dc.identifier.volume426
dc.identifier.wosWOS:001223949400001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofConstruction and Building Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subjectAsphalt
dc.subjectModification
dc.subjectRheology
dc.subjectPhase change materials
dc.titleEvaluation of performance of asphalt binders containing capric acid based form-stable phase change materials
dc.typeArticle

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