Improvement of Mechanical and Corrosive Properties of Epoxy Coatings by Addition of Nanozinc Oxide Particles

Yıl 2023, Cilt: 28 Sayı: 1, 11 - 24, 30.04.2023

Mehmet Kubilay Askerden , Ahmet Akdemir , Fazliye Karabörk , Şakir Yazman

https://doi.org/10.17482/uumfd.1204841

Öz

In this study, the effect of ZnO nanoparticles added to the epoxy coating used to protect metal surfaces on the mechanical and anticorrosive properties of the coating was investigated. The study was carried out in two stages. In the first stage, studies were carried out both to produce the composite material by determining the amount of particles to be added and to determine the properties of this material. As a result of the experimental studies, it was decided to add nano ZnO to the epoxy matrix at 0.5%, 1 and 1.5% by weight. At the end of the tensile test applied to the composite materials prepared with these ratios, the highest properties were obtained in the composite material with 1% ZnO nanoparticles by weight. In order to determine other properties of nanocomposites; DSC, TGA, FTIR, SEM analyzes were made. In the second step, the prepared nanocomposites were coated on steel test plates. The anticorrosive performance of the coatings was investigated by acid solution immersion and salt fog tests. According to the corrosion test results, the best result was obtained in the composite coating with 1% ZnO nanoparticles. In addition, the impact resistance, flexibility and adhesion properties of the coatings to the steel substrate were investigated by various tests.

Anahtar Kelimeler

Nanocomposite coating, ZnO Nanoparticle, Impact, Adhesion, Corrosion

NANO ÇİNKO OKSİT PARTİKÜL KATILAN EPOKSİ KAPLAMALARIN MEKANİK VE ANTİKOROZİF ÖZELLİKLERİNİN İNCELENMESİ

Öz

Bu çalışmada, metal yüzeyleri korumak amacıyla kullanılan epoksi kaplamaya katılan ZnO nanopartiküllerin kaplamanın mekanik ve antikorozif özellikleri üzerindeki etkisi araştırılmıştır. Çalışma iki aşamada gerçekleştirilmiştir. İlk aşamada hem katılacak partikül miktarını belirleyerek kompozit malzemeyi üretmek hem de bu malzemenin özelliklerini belirlemek için çalışmalar yapılmıştır. Deneysel çalışmalar sonucunda epoksi matrise ağ. %0,5, 1 ve 1,5 oranlarında nano ZnO katılmasına karar verilmiştir. Bu oranlarla hazırlanan kompozit malzemelere uygulanan çekme testi sonunda en yüksek özellikler ağ. %1 ZnO nanopartikül katılan kompozit malzemede elde edilmiştir. Nanokompozitlerin diğer özelliklerini belirlemek amacıyla ayrıca; DSC, TGA, FTIR, SEM analizleri yapılmıştır. İkinci aşamada hazırlanan nanokompozitler çelik test plakaları üzerine kaplanmıştır. Kaplamaların antikorozif performansı asit çözeltisine daldırma ve tuz sisi testleri ile incelenmiştir. Korozyon testi sonuçlarına göre, en iyi sonuç %1 ZnO nanopartikül katılan kompozit kaplamada elde edilmiştir. Ayrıca kaplamaların darbe dayanımı, esnekliği ve çelik alt tabakaya yapışma özellikleri çeşitli testlerle incelenmiştir.

Anahtar Kelimeler

Nanokompozit kaplama, ZnO nanopartikül, darbe, adezyon, korozyon

Kaynakça

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