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The Incorporation of steel slag into belite-sulfoaluminate cement clinkers [Elektronski vir]Žibret, Lea ...The potential use of steel slag from treated steel slag in belite-sulfoaluminate cements wasinvestigated in this study. Cement clinkers with two phase compositions were synthesized, allowingthe ... incorporation of different amounts of steel slag. The phase composition and microstructure ofcement clinkers at three different sintering temperatures were studied by X-ray powder diffractionand the Rietveld method, as well as scanning electron microscopy with energy dispersive spectrome-try. The results showed that the targeted phase composition of clinkers was achieved at a sinteringtemperature of 1250%C. However, a higher amount of perovskite instead of ferrite was detectedin the clinker with a higher content of Ti-bearing bauxite. Apart from the main phases, such asbelite, calcium sulfoaluminate, and ferrite, several minor phases were identified, including mayenite,perovskite, periclase, and alkali sulfates. In both clinker mixtures, a higher content of MgO in the steelslags resulted in the formation of periclase. Furthermore, the hydration kinetics and compressivestrength at 7 and 28 days were studied in two cements prepared from clinkers sintered at 1250%C. Asevidenced by the results of isothermal calorimetry, the hydration kinetics were also influenced by theminor clinker phases. Cement with a higher content of calcium sulfoaluminate phase developed ahigher compressive strengthVir: Applied sciences [Elektronski vir]. - ISSN 2076-3417 (Vol. 11, iss. 4, 2021, str. 1-14)Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2021Jezik - angleškiCOBISS.SI-ID - 53480195
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https://www.mdpi.com/2076-3417/11/4/1840Odprti dostop
DiRROS - Digitalni repozitorij raziskovalnih organizacij Slovenije
Avtor
Žibret, Lea |
Šter, Katarina, 1987- |
Mrak, Maruša, 1993- |
Loncnar, Mojca |
Dolenec, Sabina
Teme
cement |
BCSA |
jeklarska žlindra |
sekundarne surovine |
mikrostruktura |
klinker |
odprti dostop |
cements |
BCSA |
steel slag |
secundary row materials |
microstructure |
clinker phase |
open access
Avtor | Žibret, Lea ... |
Naslov | The Incorporation of steel slag into belite-sulfoaluminate cement clinkers [Elektronski vir] |
Datum objave | 2021-02-19 |
COBISS.SI-ID | 53480195 |
Verzija objave v repozitoriju | Založnikova različica |
Licenca objave v repozitoriju | Creative Commons Priznanje avtorstva 4.0 Mednarodna |
Embargo | Takojšnja javna objava |
Projekti, iz katerih je bila financirana objava
Naziv | Akronim | Številka projekta | Financer |
---|---|---|---|
Al-rich industrial residues for mineral binders in ESEE region | RIS-ALiCE | 18258 |
European Institute of Innovation and Technology |
Datoteke, ki spadajo k objavi
Povezava |
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https://www.mdpi.com/2076-3417/11/4/1840 |
https://dirros.openscience.si/IzpisGradiva.php?id=16326 |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Žibret, Lea | 31990 |
Šter, Katarina, 1987- | 52916 |
Mrak, Maruša, 1993- | 51945 |
Loncnar, Mojca | 32766 |
Dolenec, Sabina | 27655 |
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