About this Abstract |
Meeting |
MS&T22: Materials Science & Technology
|
Symposium
|
14th Symposium on Green and Sustainable Technologies for Materials Manufacturing and Processing
|
Presentation Title |
L-5: Effect of Sodium Silicate/ Sodium Hydroxide Ratio on Compressive Strength and Microstructure of Kankara Metakolin Based Geopolymer |
Author(s) |
Jacob Enejo Adejo, Usman Muazu, Jamilu Usman |
On-Site Speaker (Planned) |
Jacob Enejo Adejo |
Abstract Scope |
Previous studies have revealed that Kankara metakaolin could be used to produce geopolymer but there is no study on the effect of Sodium silicate (Na2SiO3)/Sodium hydroxide (NaOH) ratio on its properties. In this study, the effect of Na2SiO3/NaOH ratios on the compressive strength and microstructure of Kankara metakaolin based geopolymer (KMGP) was investigated. Different KMGP samples using 2.0, 2.5 and 3.0 Na2SiO3/NaOH ratio was prepared. Compressive strength was determined after curing at ambient temperature for 3, 7 and 28 days. KMGP sample produced was characterized using FTIR, XRD and SEM techniques. Strength obtained at 28 days of curing KMGP made with 2.0, 2.5 and 3.0 Na2SiO3/NaOH ratio are 31.87N/mm2, 27.22N/mm2 and 24.90N/mm2. The microstructure analysis showed high geopolymeric formation in KMGP sample made with 2.0 Na2SiO3/NaOH ratio. The study recommends the use of KMGP made with 2.0 Na2SiO3/NaOH ratio as a green and sustainable material alternative to ordinary Portland cement. |