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   Articles with "based geopolymers" as a keyword



Acid-based geopolymers using waste fired brick and different metakaolins as raw materials

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recommendations! Published in 2020 at "Applied Clay Science"

DOI: 10.1016/j.clay.2020.105813

Abstract: Abstract Three metakaolins and waste fired brick were used to explore the effects of iron oxide, amorphous silica and quartz in the raw materials on the compressive strength and the microstructural properties of acid-based geopolymers… read more here.

Keywords: acid based; waste fired; raw materials; based geopolymers ... See more keywords

Re-use of waste glass in improving properties of metakaolin-based geopolymers: Mechanical and microstructure examinations

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recommendations! Published in 2017 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2016.12.023

Abstract: Abstract Alkaline fusion processed waste glass was re-used as a supplementary Si-source to improve the mechanical properties of Egyptian metakaolin-based geopolymers. Different alkaline silicate solutions having different SiO 2 / Na 2 O ratios were… read more here.

Keywords: based geopolymers; waste; waste glass; metakaolin based ... See more keywords

Natural pozzolan based geopolymers: A review on mechanical, microstructural and durability characteristics

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recommendations! Published in 2018 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2018.09.191

Abstract: Abstract Natural pozzolans are tremendous source of reactive silica and alumina required for geopolymer synthesis as an alternative binder for ordinary Portland cement. They are available at a comparatively low cost and generate a low… read more here.

Keywords: natural pozzolan; based geopolymers; pozzolan based; durability characteristics ... See more keywords
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Mechanical, microstructural and structural investigation of phosphate-based geopolymers with respect to P/Al molar ratio

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recommendations! Published in 2020 at "Journal of Solid State Chemistry"

DOI: 10.1016/j.jssc.2019.121025

Abstract: Abstract The purpose of this work is to study the effect of P/Al molar ratio on the mechanical properties, microstructure and structure of phosphate-based geopolymers. Brazilian tests were made in order to identify the optimal… read more here.

Keywords: molar ratio; based geopolymers; phosphate based; ratio ... See more keywords

Metakaolin /Slag based Geopolymers — an alternative to lime stabilization of Cochin Marine clays

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recommendations! Published in 2024 at "International Journal of Geotechnical Engineering"

DOI: 10.1080/19386362.2024.2388590

Abstract: ABSTRACT The impact of introducing geopolymer binders based on metakaolin (MK) and slag (S) as possible substitutes to lime in soft marine clay stabilization was examined in this study. To investigate the effects of these… read more here.

Keywords: based geopolymers; lime stabilization; stabilization; metakaolin slag ... See more keywords
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Influence of the Nature and Rate of Alkaline Activator on the Physicochemical Properties of Fly Ash-Based Geopolymers

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recommendations! Published in 2020 at "Advances in Civil Engineering"

DOI: 10.1155/2020/8880906

Abstract: The influence of alkali cations on mix design of geopolymers is essential for their mechanical, thermal, and electrical performance. This research investigated the influence of alkali cation type on microscale characteristics and mechanical, dielectric, and… read more here.

Keywords: properties fly; based geopolymers; physicochemical properties; ash based ... See more keywords

Machine Learning to Predict Workability and Compressive Strength of Low- and High-Calcium Fly Ash–Based Geopolymers

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recommendations! Published in 2024 at "Crystals"

DOI: 10.3390/cryst14100830

Abstract: The potential substitution of Portland cement–based concrete with low- and high-calcium fly ash–based geopolymers was investigated. However, predicting the workability and compressive strength of geopolymers with the desired physical and mechanical properties is a complicated… read more here.

Keywords: based geopolymers; ash based; fly ash; compressive strength ... See more keywords

Effect of Slag on the Strength and Shrinkage Properties of Metakaolin-Based Geopolymers

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recommendations! Published in 2022 at "Materials"

DOI: 10.3390/ma15082944

Abstract: Metakaolin-based geopolymers possess excellent corrosion and high-temperature resistance, which are advantageous compared to ordinary Portland cement. The addition of slag in metakaolin-based geopolymers is a promising approach to improve their mechanical properties. Thus, this study… read more here.

Keywords: strength; metakaolin based; based geopolymers; shrinkage ... See more keywords

Effects of Different Calcium Sources on Mechanical Properties of Metakaolin Geopolymers

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recommendations! Published in 2024 at "Materials"

DOI: 10.3390/ma17092087

Abstract: Metakaolin-based geopolymers have substantial potential as replacements for cement, but their relatively inferior mechanical properties restrict their application. This paper aims to enhance the mechanical properties of metakaolin-based geopolymers by incorporating appropriate amounts of calcium… read more here.

Keywords: mechanical properties; properties metakaolin; based geopolymers; calcium ... See more keywords

Effects of Thermal Activation on Mechanical Performance and Sustainability of Slag-Based Geopolymers

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recommendations! Published in 2025 at "Materials"

DOI: 10.3390/ma18184419

Abstract: Ground granulated blast furnace slag (GBFS)-based geopolymers represent a viable binder system that combines mechanical efficiency with a significantly lower carbon footprint when compared to conventional Portland cement. This work examines how thermal curing between… read more here.

Keywords: mechanical performance; based geopolymers; performance; effects thermal ... See more keywords

Characterization of Slag Reprocessing Tailings-Based Geopolymers in Marine Environment

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recommendations! Published in 2020 at "Minerals"

DOI: 10.3390/min10090832

Abstract: In this study, copper slag reprocessing tailings (CSRT) were synthesized into geopolymers with 40%, 50% and 60% metakaolin. The evolution of compressive strength and microstructures of CSRT-based geopolymers in a marine environment was investigated. Except… read more here.

Keywords: geopolymers marine; marine environment; slag reprocessing; based geopolymers ... See more keywords