Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 300-308 |
| Seitenumfang | 9 |
| Fachzeitschrift | Chemie-Ingenieur-Technik |
| Jahrgang | 96 |
| Ausgabenummer | 3 |
| Publikationsstatus | Veröffentlicht - 22 Feb. 2024 |
Abstract
In this work, nano-sized hard magnetic gallium-substituted iron oxide crystals, wherein gallium is used to stabilize the metastable epsilon iron oxide phase, were added to cement-water suspensions at different ratios, which were subsequently hydrated for at least 28 days. It is shown that higher contents of such nanocrystals in the hardened cement paste introduce a magnetic moment, whereas the mechanical properties remain unchanged compared to non-blended hardened cement paste for a wide concentration range.
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in: Chemie-Ingenieur-Technik, Jahrgang 96, Nr. 3, 22.02.2024, S. 300-308.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Impact of Hard Magnetic Nanocrystals on the Properties of Hardened Cement Paste
AU - Kißling, Patrick A.
AU - Mahlbacher, Markus
AU - Wesemann, Christoph
AU - Mundstock, Alexander
AU - Lübkemann-Warwas, Franziska
AU - Klimke, Stephen
AU - Renz, Franz
AU - Lohaus, Ludger
AU - Haist, Michael
AU - Bigall, Nadja C.
N1 - Funding Information: The authors thank A. Feldhoff for access to PXRD and SEM. The authors thank Heidelberger Cement AG for providing the cement in the DFG SPP 2005 priority program “Opus Fluidum Futurum – Rheology of Reactive, Multiscale, Multiphase Construction Materials” 43. The authors of this study are grateful for the financial support of the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation – projects BI 1708/5-1, HA 7917/3-1, and LO 751/26-1 43) and the German Federal Ministry for Economic Affairs and Energy (BMWi funding code 03ET1557A). Open access funding enabled and organized by Projekt DEAL.
PY - 2024/2/22
Y1 - 2024/2/22
N2 - In this work, nano-sized hard magnetic gallium-substituted iron oxide crystals, wherein gallium is used to stabilize the metastable epsilon iron oxide phase, were added to cement-water suspensions at different ratios, which were subsequently hydrated for at least 28 days. It is shown that higher contents of such nanocrystals in the hardened cement paste introduce a magnetic moment, whereas the mechanical properties remain unchanged compared to non-blended hardened cement paste for a wide concentration range.
AB - In this work, nano-sized hard magnetic gallium-substituted iron oxide crystals, wherein gallium is used to stabilize the metastable epsilon iron oxide phase, were added to cement-water suspensions at different ratios, which were subsequently hydrated for at least 28 days. It is shown that higher contents of such nanocrystals in the hardened cement paste introduce a magnetic moment, whereas the mechanical properties remain unchanged compared to non-blended hardened cement paste for a wide concentration range.
KW - Analytical methods
KW - Hard magnetic nanocrystals
KW - Hydrated and hardened cement paste
KW - Material science
UR - http://www.scopus.com/inward/record.url?scp=85170056495&partnerID=8YFLogxK
U2 - 10.1002/cite.202300022
DO - 10.1002/cite.202300022
M3 - Article
AN - SCOPUS:85170056495
VL - 96
SP - 300
EP - 308
JO - Chemie-Ingenieur-Technik
JF - Chemie-Ingenieur-Technik
SN - 0009-286X
IS - 3
ER -