dc.identifier.uri |
http://dx.doi.org/10.15488/12892 |
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dc.identifier.uri |
https://www.repo.uni-hannover.de/handle/123456789/12996 |
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dc.contributor.author |
Kißling, Patrick A.
|
|
dc.contributor.author |
Lübkemann, Franziska
|
|
dc.contributor.author |
Mundstock, Alexander
|
|
dc.contributor.author |
Lohaus, Ludger
|
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dc.contributor.author |
Haist, Michael
|
|
dc.contributor.author |
Caro, Jürgen
|
|
dc.contributor.author |
Bigall, Nadja C.
|
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dc.date.accessioned |
2022-11-01T07:04:20Z |
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dc.date.available |
2022-11-01T07:04:20Z |
|
dc.date.issued |
2022 |
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dc.identifier.citation |
Kißling, P.A.; Lübkemann, F.; Mundstock, A.; Lohaus, L.; Haist, M. et al.: Is freeze-drying an alternative to solvent exchange for the hydration stop of cementitious suspensions?. In: Cement and concrete research : an international journal 159 (2022), 106841. DOI: https://doi.org/10.1016/j.cemconres.2022.106841 |
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dc.description.abstract |
In order to understand the rheological properties of cementitious suspensions at early stages, among other phases, the formation of ettringite and its time-dependent influence, whether by amount or morphology, has to be examined in detail using a suitable method to stop the hydration process. It is state-of-the-art to exchange water with isopropanol, however, the water initially remains in the system possibly leading to reduced time resolution. Our group raised the question if freeze-drying or the combination of the water-isopropanol exchange with subsequent freeze-drying might be a suitable technique to achieve an almost complete hydration stop at any time. Recently, it was shown under which circumstances low-pressure characterization techniques can be employed without destroying the samples due to loss of crystal bound water. Here, by implementing these recent results, we show under which circumstances freeze-drying indeed can be employed as fast hydration stop method. © 2021 |
eng |
dc.language.iso |
eng |
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dc.publisher |
Oxford : Elsevier |
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dc.relation.ispartofseries |
Cement and concrete research : an international journal 159 (2022) |
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dc.rights |
CC BY-NC-ND 4.0 Unported |
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dc.rights.uri |
https://creativecommons.org/licenses/by-nc-nd/4.0/ |
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dc.subject |
Cementitious suspension |
eng |
dc.subject |
Freeze-drying |
eng |
dc.subject |
Hydration stop |
eng |
dc.subject |
Time-variant analysis |
eng |
dc.subject.ddc |
690 | Hausbau, Bauhandwerk
|
ger |
dc.title |
Is freeze-drying an alternative to solvent exchange for the hydration stop of cementitious suspensions? |
eng |
dc.type |
Article |
|
dc.type |
Text |
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dc.relation.essn |
1873-3948 |
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dc.relation.doi |
https://doi.org/10.1016/j.cemconres.2022.106841 |
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dc.bibliographicCitation.volume |
159 |
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dc.bibliographicCitation.firstPage |
106841 |
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dc.description.version |
publishedVersion |
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tib.accessRights |
frei zug�nglich |
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