Effect of polyurea coating on the ductility of aluminum foam

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dc.authoridArmin Bijanzad / 0000-0002-1251-3511en_US
dc.authorscopusidArmin Bijanzad / 56997394100en_US
dc.authorscopusidArmin Bijanzad / 56997394100
dc.authorwosidArmin Bijanzad / ABC-6306-2021en_US
dc.contributor.authorBijanzad, Armin
dc.contributor.authorAbdulwahab, Mohamad
dc.contributor.authorLazoğlu, İsmail
dc.contributor.authorEnsarioğlu, Cihat
dc.contributor.authorÇakır, Mustafa Cemal
dc.date.accessioned2022-03-10T08:41:44Z
dc.date.available2022-03-10T08:41:44Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Makine Mühendisliği Bölümüen_US
dc.description.abstractThe closed-cell metal foams are utilized in various industrial applications due to their impact and energy absorption capacity, noise cancelation, and lightweight properties. Additionally, the manufacturing methods of stochastic foams with blowing agents or inert gas injection are well known. However, the poor mechanical strength and high brittleness are restricting the application of these materials. A method of increasing the ductility, plastic deformation, and fracture toughness of these materials is the integration of elastomer coating. Polyurea is widely used in applications where water-proofing and high ductility are aimed. In this study, two types of polyurea coatings as MS950 and MS955 are sprayed over the aluminum foam with three densities as 0.508, 0.557, and 0.624 g/cm3 to evaluate the effect of coating on the ductility and fracture toughness of samples considering the tensile behavior and 4 densities as 0.508, 0.538, 0.557, and 0.624 g/cm3 for the flexural bending test. The MS955 polyurea coating elevated the ultimate tensile strength and elasticity modulus of all specimens with a maximum of 239% and a minimum of 70%. However, the MS950 coating did not result in a significant rise in tensile strength. The main advantage of the MS950 coating is in the amount of strain increment with 374% in maximum and 181% in minimum resulting in higher ductility and fracture toughness. Additionally, the bending characteristics of MS950 coating demonstrate a drastic increase in both load and strain which recommend the usage of this coating in bending and impact applications. Finally, an analytical evaluation of the coated and uncoated specimens in the elastic region and the elastoplastic region is provided using linear and power-law interpolation. In tensile tests, the MS955 coating resulted in higher elasticity modulus and fracture toughness. However, in bending applications, the MS950 coating demonstrated higher load strength with elevated ductility. © 2022 Elsevier Ltden_US
dc.identifier.citationBijanzad, A., Abdulwahab, M., Lazoglu, I., Ensarioglu, C., & Cakir, M. C. (2022). Effect of polyurea coating on the ductility of aluminum foam. Materials Today Communications, 31 doi:10.1016/j.mtcomm.2022.103334en_US
dc.identifier.doi10.1016/j.mtcomm.2022.103334en_US
dc.identifier.issn2352-4928en_US
dc.identifier.scopus2-s2.0-85125533068en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1016/j.mtcomm.2022.103334
dc.identifier.urihttps://hdl.handle.net/20.500.12713/2542
dc.identifier.volume31en_US
dc.identifier.wosWOS:000819926300003en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorBijanzad, Armin
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.relation.ispartofMaterials Today Communicationsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAluminum Foamen_US
dc.subjectEnergy Absorptionen_US
dc.subjectPolyurea Coatingen_US
dc.subjectUltimate Tensile Strengthen_US
dc.titleEffect of polyurea coating on the ductility of aluminum foamen_US
dc.typeArticleen_US

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