journal article·2025-07

Effect of composite activator on hydration kinetics and micromechanical properties of alkali-activated slag

Yong Zheng, Hui Zhong, Keke Sun, Bo Shen, Kai Cui, Yingliang Zhao, Guangqi Xiong, Qinglong Qin

Publisher page

Abstract

No abstract is available for this record. The assistant can identify its topic from the title, but cannot infer the study’s results.

Source: Not provided · Quality: missing

Research context

OpenAlex topics: Concrete and Cement Materials Research · Magnesium Oxide Properties and Applications · Recycling and utilization of industrial and municipal waste in materials production

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (68)

Show source-provided references
1. Assessment of CO2 reduction of alkali-activated concrete10.1016/j.jclepro.2012.08.001 ↗
2. Modifications to reaction mechanisms, phase assemblages and mechanical properties of alkali-activated slags induced by gypsum addition10.1016/j.cemconres.2023.107311 ↗
3. Chloride diffusion in ordinary, blended, and alkali-activated cement pastes and its relation to other properties10.1016/S0008-8846(00)00406-3 ↗
4. Sodium silicate-based, alkali-activated slag mortars: Part I. Strength, hydration and microstructure10.1016/S0008-8846(02)00717-2 ↗
5. Effect of nano-SiO2 on the efflorescence of an alkali-activated metakaolin mortar10.1016/j.conbuildmat.2020.118952 ↗
6. Drying shrinkage in alkali-activated binders–a critical review10.1016/j.conbuildmat.2018.09.125 ↗
7. An environmental evaluation of geopolymer based concrete production: reviewing current research trends10.1016/j.jclepro.2011.03.012 ↗
8. Chemical and mechanical stability of sodium sulfate activated slag after exposure to elevated temperature10.1016/j.cemconres.2011.10.007 ↗
9. Factors affecting the strength of alkali-activated slag10.1016/0008-8846(94)90026-4 ↗
10. Porous alkali-activated materials based on municipal solid waste incineration ash with addition of phosphogypsum powder10.1016/j.conbuildmat.2021.123962 ↗
11. Effect of NaOH content on hydration, mineralogy, porosity and strength in alkali/sulfate-activated binders from ground granulated blast furnace slag and phosphogypsum10.1016/j.cemconres.2020.106054 ↗
12. Shrinkage mitigation of alkali-activated fly ash/slag mortar by using phosphogypsum waste10.1016/j.conbuildmat.2023.130978 ↗
13. Alkali-activated binders based on ground granulated blast furnace slag and phosphogypsum10.1016/j.conbuildmat.2019.04.194 ↗
14. Feasibility study of utilising NaOH and phosphogypsum as a composite activator for alkali-activated slag10.1016/j.conbuildmat.2024.139436 ↗
15. The excellent adaptability to large temperature differences of alkali-activated slag using Na2SO4+Ca(OH)2 as the activator10.1016/j.conbuildmat.2024.136514 ↗
16. Fresh and hardened state properties, reaction kinetics and microstructure of sodium sulfate/sodium hydroxide-Activated slag mixtures10.1016/j.conbuildmat.2023.132943 ↗
17. A model for the CASH gel formed in alkali-activated slag cements10.1016/j.jeurceramsoc.2011.04.036 ↗
18. The Role of Al in cross‐linking of alkali‐activated slag cements10.1111/jace.13360 ↗
19. Activator anion influences the nanostructure of alkali-activated slag cements10.1021/acs.jpcc.1c07328 ↗
20. Structure of calcium silicate hydrates formed in alkaline‐activated slag: influence of the type of alkaline activator10.1111/j.1151-2916.2003.tb03481.x ↗
21. Unraveling microstructural evolution in air-entrained mortar and paste: insights from MIP and micro-CT tomography amid cyclic freezing-thawing damage
22. Mercury porosimetry: an inappropriate method for the measurement of pore size distributions in cement-based materials10.1016/S0008-8846(00)00370-7 ↗
23. A new quantification method based on SEM-EDS to assess fly ash composition and study the reaction of its individual components in hydrating cement paste10.1016/j.cemconres.2015.02.008 ↗
24. Scrivener · 2016
25. Hydration characteristics and microstructure of alkali-activated slag concrete: a review10.1016/j.eng.2021.07.026 ↗
26. Hydration and properties of sodium sulfate activated slag10.1016/j.cemconcomp.2012.12.010 ↗
27. Early hydration and microstructure development of alkali-activated slag cement pastes
28. New insights into the early reaction of NaOH-activated slag in the presence of CaSO410.1016/j.compositesb.2020.108207 ↗
29. The kinetics and mechanisms of amorphous calcium carbonate (ACC) crystallization to calcite, via vaterite10.1039/C0NR00589D ↗
30. An innovative strategy for maximizing CO2 reduction in concrete through preparing carbon sequestration precursors by accelerated carbonation10.1016/j.cemconcomp.2024.105618 ↗
31. Highly reactive carbonated recycled concrete fines prepared via mechanochemical carbonation: influence on the early performance of cement composites10.1016/j.cemconcomp.2024.105636 ↗
32. Mechanochemical carbonation of recycled concrete fines: towards a high-efficiency recycling and CO2 sequestration10.1016/j.cemconres.2024.107654 ↗
33. Field study of the dielectric constant of concrete: a parameter less sensitive to environmental variations than electrical resistivity
34. Sulfuric acid resistance behaviour of alkali-activated slag and waste glass powder blended precursors10.1016/j.cemconcomp.2023.105319 ↗
35. Evolution of binder structure in sodium silicate-activated slag-metakaolin blends10.1016/j.cemconcomp.2010.09.004 ↗
36. Effect of Ca(OH)2 on shrinkage characteristics and microstructures of alkali-activated slag concrete10.1016/j.conbuildmat.2018.04.180 ↗
37. Enhancing the treatment efficiency of recycled concrete fines with aqueous carbonation10.1016/j.cemconres.2023.107338 ↗
38. Thermochemical behavior of three sulfates (CaSO4, K2SO4 and Na2SO4) blended with cement raw materials (CaO-SiO2-Al2O3-Fe2O3) at high temperature10.1016/j.jaap.2019.05.006 ↗
39. Mechanistic insights into the crystallization of amorphous calcium carbonate (ACC)10.1021/cg300676b ↗
40. Calcium carbonate morphology and structure in the presence of seawater ions and humic acids10.1021/cg8002959 ↗
41. Inorganic ions regulate amorphous-to-crystal shape preservation in biomineralization10.1073/pnas.1922923117 ↗
42. (Micro)-structural comparison between geopolymers, alkali-activated slag cement and Portland cement10.1016/j.jeurceramsoc.2005.12.021 ↗
43. Structure of calcium silicate hydrate (C‐S‐H): near‐, Mid‐, and Far‐infrared spectroscopy10.1111/j.1151-2916.1999.tb01826.x ↗
44. Modification of phase evolution in alkali-activated blast furnace slag by the incorporation of fly ash10.1016/j.cemconcomp.2013.09.006 ↗
45. Infrared reflectivity spectroscopy of silicate glasses10.1016/S0022-3093(87)80280-6 ↗
46. Structural and spectroscopic characterization of ettringite mineral-combined DFT and experimental study10.1016/j.molstruc.2015.06.075 ↗
47. Structure, mechanisms of reaction, and strength of an alkali‐activated blast‐furnace slag10.1111/jace.12620 ↗
48. C. Shi, D. Roy, P. Krivenko, Alkali-activated Cements and Concretes, CRC press2003.10.1201/9781482266900 ↗
49. 29Si and 27Al NMR study of alkali-activated slag10.1016/S0008-8846(02)01044-X ↗
50. The structure and stoichiometry of CSH10.1016/j.cemconres.2004.04.035 ↗
51. The nanogranular nature of C-S-H10.1016/j.jmps.2006.06.003 ↗
52. Early-age and microstructural properties of glass powder blended cement paste: improvement by seawater10.1016/j.cemconcomp.2021.104165 ↗
53. Effect of carbon nanotube and graphite nanoplatelet on composition, structure, and nano-mechanical properties of CSH in UHPC10.1016/j.cemconres.2022.106713 ↗
54. Micromechanical properties of alkali-activated slag cement binders10.1016/j.cemconcomp.2018.04.003 ↗
55. Effect of temperature on CO2 curing, compressive strength and microstructure of cement paste10.1016/j.cemconres.2022.106827 ↗
56. A critical examination of statistical nanoindentation on model materials and hardened cement pastes based on virtual experiments10.1016/j.cemconcomp.2009.07.001 ↗
57. Effect of seawater on the morphology, structure, and properties of synthetic ettringite10.1016/j.cemconres.2022.107034 ↗
58. Characterisation of the interfacial transition zone in mortars by nanoindentation and scanning electron microscope10.1680/jmacr.17.00161 ↗
59. The effect of two types of CSH on the elasticity of cement-based materials: results from nanoindentation and micromechanical modeling10.1016/S0008-8846(03)00230-8 ↗
60. Pore and phase identification through nanoindentation mapping and micro-computed tomography in nanoenhanced cement10.1016/j.cemconcomp.2020.103741 ↗
61. Effect of individual phases on multiscale modeling mechanical properties of hardened cement paste10.1016/j.conbuildmat.2017.07.074 ↗
62. New insights into the hydration of slag in alkaline media using a micro-reactor approach10.1016/j.cemconres.2015.09.015 ↗
63. Compatibility studies between NASH and CASH gels. Study in the ternary diagram Na2O-CaO-Al2O3-SiO2-H2O10.1016/j.cemconres.2011.05.006 ↗
64. Mercury porosimetry of hardened cement pastes10.1016/S0008-8846(99)00083-6 ↗
65. Mehta · 2006
66. Permeability characteristics of carbonated concrete considering capillary pore structure10.1016/j.cemconres.2007.03.011 ↗
67. Mechanical properties, drying and autogenous shrinkage of blast furnace slag activated with hydrated lime and gypsum10.1016/j.cemconcomp.2010.01.004 ↗
68. A critical review of the role of ettringite in binders composed of CAC-PC-C and CSA-PC-C10.1111/jace.19014 ↗