Frick/Knöll Baukonstruktionslehre 2

Hestermann, Ulf; Rongen, Ludwig

doi:10.1007/978-3-658-21913-0

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Cited by 4 publications

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“…At a content of 10 wt % Ga:Fe 2 O 3 NCs, the compressive strength f ck decreases below f ck = 39.4 N mm −2 , which has to be considered for the application in construction as a building material, but is negligible in regards to non‐structural coatings for e.g. tap‐proofness 38. The lowered compressive strength f ck could be due to the enhanced porosity, see calculated density in the previous section as well as the pore volumes in nitrogen physisorption and mercury intrusion porosimetry, caused by the admixture of Ga:Fe 2 O 3 NCs.…”

Section: Resultsmentioning

confidence: 99%

Impact of Hard Magnetic Nanocrystals on the Properties of Hardened Cement Paste

Kißling,

Mahlbacher,

Wesemann

et al. 2023

Chemie Ingenieur Technik

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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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Section: Resultsmentioning

confidence: 99%