1. Department of Physics, Faculty of Production Engineering and Materials Technology, Częstochowa University of Technology, al. Armii Krajowej 19, 42-200 Częstochowa, Poland
2. Center of Excellence Geopolymer & Green Technology (CeGeoGTech), Faculty of Chemical Engineering Technology, Campus Dragon, Complex Pusat Pengajian Jejawi 3, 02600 Arau, Perlis, Malaysia
3. Faculty of Materials Science and Engineering, Gheorghe Asachi Technical University of Iasi, Blvd. D. Mangeron 41, 700050 Iasi, Romania
4. Department of Technology and Automation, Faculty of Mechanical Engineering and Computer Science, Częstochowa University of Technology, al. Armii Krajowej 19, 42-200 Częstochowa, Poland