An Investigation On the Use Of Geopolymer As An Alternative Adhesive For Aluminum Panels

Yıl 2023, Cilt: 27 Sayı: 3, 457 - 463, 25.12.2023

Cengiz Bagcı Kardelen Demirci Semih Karahan

Öz

One of the improving application areas of geopolymers is their using as
an alternative assembly of different materials. This study presents the results of an
experimental study on making aluminum panels by using geopolymer as an
alternative adhesive to replace typical organic polymers. We prepared a metakaolinbased geopolymer having a composition of Na2O•Al2O3•4SiO2•11H2O. Aluminum
alloys (Al 3003), 7 and 15 mm in high and (Al 5005) were used as core and plate
materials of the panels, respectively and their surface was cleaned for adhesion
bonding according to ASTM D 2651-01. Shear test samples were cut and then
geopolymer resin was applied to the cleaned surface of aluminum core and plate by
hand. Following hydrothermal sealing, the samples were then cured at 50 °C in an
open-air furnace for 36 h under clamp fixed. Aluminum-geopolymer interface and
geopolymer bond were examined by SEM-EDS in terms of chemical composition.
Ambient temperature mechanical test results revealed that the aluminumgeopolymer bonds have mean shear strength of (1.406 ±1.01 MPa) and (0.133 ±0.07
MPa) for 7 and 15 mm samples, respectively.

Anahtar Kelimeler

Geopolymer, Adhesive, Aluminum panels

Geopolimerin Alüminyum Panellere Alternatif Yapıştırıcı Olarak Kullanımı Üzerine Bir Araştırma

Öz

Jeopolimerlerin gelişen uygulama alanlarından biri de farklı malzemelerin
birleştirilmesinde alternatif olarak kullanılmasıdır. Bu çalışma, tipik organik
polimerlerin yerini alacak alternatif bir yapıştırıcı olarak jeopolimer kullanarak
alüminyum paneller yapmaya yönelik deneysel bir çalışmanın sonuçlarını
sunmaktadır. Na2O•Al2O3•4SiO2•11H2O bileşimine sahip metakaolin bazlı bir
jeopolimer hazırladık. Panellerin çekirdek ve plaka malzemesi olarak sırasıyla 7 ve
15 mm yüksekliğinde alüminyum alaşımları (Al 3003), (Al 5005) kullanılmış ve
yüzeyleri ASTM D 2651-01'e göre yapışma için temizlenmiştir. Kayma testi
numuneleri kesilmiş ve daha sonra alüminyum çekirdeğin ve levhanın temizlenmiş
yüzeyine elle jeopolimer reçine uygulanmıştır. Hidrotermal sızdırmazlığın
ardından, numuneler daha sonra 50 °C'de bir açık hava fırınında 36 saat süreyle
kelepçe altında kürlendi. Alüminyum-geopolimer arayüzü ve geopolimer bağı SEMEDS ile kimyasal bileşim açısından incelenmiştir. Oda sıcaklığındaki mekanik test
sonuçları, alüminyum-jeopolimer bağlantılarının 7 ve 15 mm'lik numuneler için
sırasıyla (1.406 ±1.01 MPa) ve (0.133 ±0.07 MPa) ortalama kayma direncine sahip
olduğunu ortaya koydu.

Anahtar Kelimeler

Jeopolimer, Yapıştırıcı, Aliminyum paneller

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