Results 11 to 20 of about 358,721 (324)

Self-Compacting Alkali-Activated Materials: Progress and Perspectives [PDF]

open access: yesMolecules, 2021
Alkali-activated materials (AAMs) are considered to be alternative cementitious materials for civil infrastructures. Nowadays, efforts have been made in developing AAMs with self-compacting ability.
Zengqing Sun   +6 more
doaj   +5 more sources

Utilization of optimized microwave sintering to produce safe and sustainable one-part alkali-activated materials. [PDF]

open access: yesSci Rep, 2023
Sodium hydroxide (NaOH) as an alkaline activator presents a vital limitation in the mass production of alkali-activated binders due to its severe effect on users’ safety.
Refaat M, Mohsen A, Nasr EAR, Kohail M.
europepmc   +2 more sources

Microstructural Analysis and Radiological Characterization of Alkali-Activated Materials Based on Aluminosilicate Waste and Metakaolin [PDF]

open access: yesGels
The formation of an aluminosilicate gel structure made of alkali-activated materials (AAMs) was conducted through an alkali-activation reaction of the solid precursors (fly ash, metakaolin, and wood ash).
Nataša Mladenović Nikolić   +6 more
doaj   +2 more sources

Synthesis of Metakaolin Based Alkali Activated Materials as an Adsorbent at Different Na2SiO3/NaOH Ratios and Exposing Temperatures for Cu2+ Removal. [PDF]

open access: yesMaterials (Basel), 2023
Water contamination is a major issue due to industrial releases of hazardous heavy metals. Copper ions are among the most dangerous heavy metals owing to their carcinogenicity and harmful effects on the environment and human health.
Ibrahim M   +7 more
europepmc   +2 more sources

Fiber-Reinforced Alkali-Activated Materials Based on Waste Materials

open access: yesMaterials Proceedings, 2023
The adverse effects associated with a rise in global temperature require substantial advances in various industries, the building industry in particular, with an emphasis on sustainability and circular economy measures.
Martin Mildner   +2 more
doaj   +2 more sources

Evaluating Waste-Based Alkali Activated Materials as Pavement Quality Concrete

open access: yesInfrastructures
The utilization of Ordinary Portland Cement as the primary material of choice in the construction industry has had its drawbacks due to the large amounts of pollution Portland cement’s production causes.
Joseph Abdayem   +3 more
doaj   +2 more sources

Monitoring Methods on Evolution of Alkali Activation of Alkali-Activated Materials [PDF]

open access: yesArchives of Metallurgy and Materials
Alkali activation for producing alkali-activated materials is noted as a complex due to involving several reactions. Due to complexity of the reactions, various techniques have been applied by past researches on monitoring the evolution of alkali ...
R. Mohamed   +7 more
doaj   +2 more sources

Rheology of Cementitious Materials: Alkali-Activated Materials or Geopolymers [PDF]

open access: yesMATEC Web of Conferences, 2018
A clear alternative to reach the goal of sustainable development in the Construction Sector is the development of alternative building materials to Ordinary Portland Cement (OPC) in a more energetically as well as environmentally eco-efficient way ...
Puertas F.   +4 more
doaj   +3 more sources

Alkali-activated materials – cementing a sustainable future [PDF]

open access: yes, 2013
This paper presents an overview examining the microstructural and macrostructural properties of alkali-activated binders based on granulated blast furnace slags, metakaolin and their blends, developed by the Composite Materials Group of Universidad del ...
Bernal, S.A.   +2 more
core   +3 more sources

Deformation of Alkali-Activated Materials at an Early Age Under Different Curing Conditions [PDF]

open access: yesFrontiers in Chemistry, 2021
The production of alkali-activated materials (AAMs) is known for its environmentally friendly processing method, where several amorphous-rich aluminosilicate material sources combine with an alkali media solution to form solid, ceramic-like materials. In
Mark Češnovar   +3 more
doaj   +2 more sources

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