Optimizing the Composition of Geopolymer Composites Incorporating Secondary Aluminium Industry By-Products Using...

Area of Science:

• Materials Science
• Chemical Engineering
• Civil Engineering

Background:

• Geopolymer composite materials offer a sustainable alternative to traditional construction materials.
• Addressing the synthesis, structural performance, and environmental impact of geopolymers is crucial.
• Optimizing geopolymer composition requires understanding constituent interactions.

Purpose of the Study:

• To develop a mathematical model for optimizing geopolymer composite composition.
• To determine the ideal proportions of silica sand and secondary aluminum by-products.
• To analyze the influence of aluminum by-products on geopolymerization and material properties.

Main Methods:

• Integrated use of Markov chains, criterion methods, and orthogonally compositional plans.
• Development of a predictive mathematical model for geopolymer matrix optimization.
• Analysis of mechanical, thermal, and environmental properties of resulting composites.

Main Results:

• A mathematical model was successfully developed to predict optimal geopolymer composition.
• The optimal mixing ratio includes specific amounts of metakaolin, activator, silica fume, carbon fiber, and secondary aluminum by-product.
• The study provides insights into the influence of various aluminum by-products on the geopolymerization process.

Conclusions:

• The developed mathematical model accurately determines optimal geopolymer composite formulations.
• Geopolymer composites show potential for structural applications due to assessed properties.
• Further research into secondary aluminum by-products can enhance geopolymer sustainability.