Effect of Nano-Zirconia Addition on Mechanical Properties of Metakaolin-Based Geopolymer

Muhammad Saukani; Ayu Novia Lisdawati; Heri Irawan; Rendy Muhammad Iqbal; Dwi Marta Nurjaya; Sotya Astutiningsih

doi:10.20944/preprints202209.0462.v1

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preprints.org > chemistry and materials science > other > doi: 10.20944/preprints202209.0462.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effect of Nano-Zirconia Addition on Mechanical Properties of Metakaolin-Based Geopolymer

Version 1 : Received: 29 September 2022 / Approved: 29 September 2022 / Online: 29 September 2022 (08:51:22 CEST)
Version 2 : Received: 29 September 2022 / Approved: 30 September 2022 / Online: 30 September 2022 (03:08:01 CEST)

A peer-reviewed article of this Preprint also exists.

Saukani, M.; Lisdawati, A.N.; Irawan, H.; Iqbal, R.M.; Nurjaya, D.M.; Astutiningsih, S. Effect of Nano-Zirconia Addition on Mechanical Properties of Metakaolin-Based Geopolymer. J. Compos. Sci. 2022, 6, 293. Saukani, M.; Lisdawati, A.N.; Irawan, H.; Iqbal, R.M.; Nurjaya, D.M.; Astutiningsih, S. Effect of Nano-Zirconia Addition on Mechanical Properties of Metakaolin-Based Geopolymer. J. Compos. Sci. 2022, 6, 293.

Abstract

Geopolymer is an emerging material alternative to Portland cement and has potential as a refractory material. Adding filler in geopolymer material is a strategy to increase the advantages of its physical and mechanical properties. It has been previously reported that adding nanoparticles can increase the compressive strength value, but there is no reported interaction between nanoparticles and geopolymer during the geopolymerization process. This study aims to study the effect of adding nano-zirconia fillers on the physical and mechanical changes of metakaolin-based geopolymers with nano-zirconia fillers. The geopolymer paste was prepared with 100 g of metakaolin as the base material and added with variations of nano-zirconia 2gr, 5gr, 10 gr, and 15 gr. Further characterization was carried out by XRD, FTIR, SEM-EDX, and DTA-TG. This study showed that the compressive strength of the MZr05 sample increased significantly by 58.7% compared to the control sample. The test results of the structure and functional groups did not lead to any new compounds formed in the geopolymerization reaction. Therefore, the interaction of metakaolin geopolymer with nano-zirconia only creates an interfacial bonding.

Keywords

Compressive strength; metakaolin; nanomaterial; refractory; zirconia

Subject

Chemistry and Materials Science, Other

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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