Development of lightweight geopolymer composites containing perlite and vermiculite

• Autorzy: Korniejenko K. , Pławecka K. , Bulut A. , Şahin B. , Azizağaoğlu G. , Figiela B.

Identyfikatory

DOI

10.5604/01.3001.0053.6696

• Języki publikacji: EN

Abstrakty

EN

Purpose The aim of this work was to prepare and characterise geopolymer composites containing lightweight aggregates - perlite and vermiculite. Design/methodology/approach The geopolymer matrix was prepared on the basis of fly ash, sand and a 6M sodium hydroxide solution with sodium silicate. The properties of the materials were tested 28 days after the preparation of the samples. The following research methods were used to characterise the composites: compressive and flexural strength tests, microstructural tests using a scanning electron microscope, and thermal conductivity were measured. Findings The results obtained showed a slight effect of the additives on the strength properties. Lightweight aggregates are characterised by good coherence with the matrix material. Their addition allowed to reduce the density and lowered the thermal conductivity of the materials. The results obtained indicate that the proposed additives can improve the properties of the geopolymer composite for use in the construction industry. Research limitations/implications Further research should focus on geopolymer composites with perlite and involve fire-resistant and water-absorption tests. Practical implications The production of lightweight building materials brings a number of benefits, such as reducing the density of building elements and, at the same time, the entire structure, which results in a reduction in their weight, as well as lower transport costs. Such elements have better thermal and acoustic insulation, reflected in the parameters of buildings. An additional advantage is the reduced environmental impact through better insulation properties, lower fuel consumption during transport, etc. Originality/value The density of the material can be reduced by using lightweight aggregates or obtaining porous material in the foamed process. In the case of geopolymer composites, a number of studies related to foamed materials have been provided, but there is only a few previous research connected with lightweight aggregates such as perlite and vermiculite.

Słowa kluczowe

EN

lightweight material; composite; geopolymer; perlite; vermiculite

PL

materiał lekki; kompozyt; geopolimer; perlit; wermikulit

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2023
• Tom: Vol. 117, nr 2
• Strony: 49--56
• Opis fizyczny: Bibliogr. 24 poz., rys., tab.

Twórcy

autor

Korniejenko K.

• Faculty of Material Engineering and Physics, Cracow University of Technology, ul. Jana Pawła II 37, 31-864 Kraków, Poland

• https://orcid.org/0000-0002-8265-3982

autor

Pławecka K.

• Faculty of Material Engineering and Physics, Cracow University of Technology, ul. Jana Pawła II 37, 31-864 Kraków, Poland

autor

Bulut A.

• Faculty of Engineering, İzmir Institute of Technology, Gülbahçe Kampüsü 35430 Urla İzmir, Türkiye

autor

Şahin B.

• Faculty of Engineering, İzmir Institute of Technology, Gülbahçe Kampüsü 35430 Urla İzmir, Türkiye

autor

Azizağaoğlu G.

• Faculty of Engineering and Natural Sciences, Bursa Technical University, 16310 Bursa, Türkiye

autor

Figiela B.

• Faculty of Material Engineering and Physics, Cracow University of Technology, ul. Jana Pawła II 37, 31-864 Kraków, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).