Results 31 to 40 of about 3,059 (181)

Experimental study on flexural mechanical properties of steel fiber reinforced alkali-activated slag concrete beams

Frontiers in Physics
As an environmentally friendly alternative to ordinary concrete, slag concrete is subject to limitations such as drying shrinkage and micro-cracking during its promotion and application. In order to address these challenges, steel fibers, known for their
Xiaohui Yuan, Xiaohui Yuan, Ruijin Huo, Ruijin Huo, Xin Zhang   +4 more
doaj   +1 more source

Thermal stability and leaching behavior of alkali-activated slag doped with electric arc furnace dust [PDF]

Science of Sintering
The study presented in this paper explores the simultaneous valorization of electric arc furnace slag (EAFS) and electric arc furnace dust (EAFD) through an alkali activation process, as well as the thermal stability of the resulting product.
Tadić Nebojša, Brašanac-Vukanović Snežana, Nikolić Irena, Radmilović Vuk V., Radmilović Velimir R.   +4 more
doaj   +1 more source

Microstructure and porosity evolution of alkali activated slag at various heating temperatures

Journal of Materials Research and Technology, 2020
This paper elucidated the microstructural and porosity evolution of alkali activated slag at 800 °C up to 1200 °C. The microstructural analysis obtained shows the changes in surface densification of glassy phase and nucleation of dynamical grains within ...
Ikmal Hakem Aziz, Mohd Mustafa Al Bakri Abdullah, M.A.A. Mohd Salleh, Sorachon Yoriya, Jitrin Chaiprapa, Catleya Rojviriya, Long Yuan Li   +6 more
doaj   +1 more source

Nucleation and growth rate determination on alkali-activated slag under various sodium hydroxide molarity [PDF]

Archives of Civil Engineering
Alkali-activated slag has been noted as one of potential alternatives to the ordinary Portland cement due to its properties including high early strength performance and capability of ambient curing.
Rosnita Mohamed, Rafiza Abd Razak, Mohd Mustafa Al Bakri Abdullah, Shayfull Zamree Abd Rahim, Nurul Aida Mohd Mortar, Liyana Jamaludin, Marcin Nabialek   +6 more
doaj   +1 more source

Effect of curing time on the chloride diffusion of alkali-activated slag

Case Studies in Construction Materials, 2022
Resistance to chloride penetration plays a crucial role in preventing premature corrosion of reinforced concrete in marine environments or when using de-icing salts.
Antonino Runci, Marijana Serdar
doaj   +1 more source

Alkali activation of metallurgical slags

, 2021
Opis vira z dne 14. 1. 2021.
Lancellotti, Isabella, Piccolo, Federica, Traven, Katja, kemičarka, Češnovar, Mark, Ducman, Vilma, Leonelli, Cristina   +5 more
openaire   +1 more source

Uniaxial compressive strength prediction and ratio parameter optimization of titanium tailings composite backfill materials using intelligent hybrid models

Deep Underground Science and Engineering, EarlyView.
Based on the 90 datasets, ERT and four optimization algorithms were used to build four hybrid models to predict the UCS of the backfill body. The SMA‐ERT model was the most effective model, and it can reliably guide the design of the backfill ratio parameters. Abstract This study analyzed the feasibility of using titanium (Ti) tailings as a backfilling
Weijun Liu, Zida Liu, Zhixiang Liu
wiley   +1 more source

Sustainable Revival of Spent Lithium Iron Phosphate Cathodes in Li‐Ion Batteries: Recycling and Surface Engineering Approaches

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Schematic illustration of the lifecycle of LiFePO4 cathodes. Lithiation and delithiation reactions happen through its discharging and charging processes. Recycling pathways including hydrometallurgy, pyrometallurgy, and direct regeneration enable sustainable reuse of spent LFP materials. Surface modification approaches (carbon, polymer, and metal/metal
Yan He, Ruigang Wang
wiley   +1 more source

Cold‐curing effects on the strength development and sulfuric acid resistance of basalt fiber‐reinforced hybrid alkali‐activated slag mortars

Structural Concrete, EarlyView.
Abstract Cold weather conditions impose substantial constraints upon the performance and long‐term resilience of concrete materials. Alkali‐activated slag (AAS) presents itself as a promising substitute, exhibiting sustained hydraulic activity even when exposed to ambient conditions characterized by low temperatures.
Zeynep Bahçeci, Murat Dener, Ahmet Benli, Bilal Balun   +3 more
wiley   +1 more source

Bacterial healing of cracks in metakaolin‐based geopolymer concrete exposed to high temperatures

Structural Concrete, EarlyView.
Abstract This study examined the bacterial healing of metakaolin‐based geopolymer concrete modified with colemanite (K) and red mud (RM) exposed to high temperatures. The metakaolin‐based geopolymer concrete samples modified with 4% K and 6% RM were prepared.
Harun Tanyildizi, Mahmoud Ziada, Mucteba Uysal, Savaş Erdem   +3 more
wiley   +1 more source