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Article . 2023 . Peer-reviewed
License: Wiley Online Library User Agreement
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DMTA – eine Methode zur feuchte‐ und temperaturabhängigen Materialcharakterisierung ‐ Bsp. Gips

Authors: Tabea Schulz; Martin Ganß; Luise Göbel; Heike Dreuse; Ralf Wagner;

DMTA – eine Methode zur feuchte‐ und temperaturabhängigen Materialcharakterisierung ‐ Bsp. Gips

Abstract

KurzfassungIn dieser Studie wurden die Möglichkeiten der Nutzung der Hochlast‐dynamischmechanisch‐thermischen Analyse (kurz: DMTA) zur Ermittlung der thermo‐mechanischen Eigenschaften von Festkörpern aus verschiedenen Gipsmaterialien untersucht. Diesbezüglich wurden Proben aus Gips mit vornehmlich beta‐HH und einem Gips aus überwiegend alpha‐HH hergestellt und mittels DMTA unter definierter zyklischer Belastung, definierter Temperatur und Materialfeuchte untersucht. Die Mikrostruktur der Gipsproben wurde bildgebend mit Licht‐ und Rasterelektronenmikroskopie sowie mit röntgenografischen Analyseverfahren bewertet. Mittels DMTA wurden deutliche Unterschiede in den Speicher‐ (elastischer Anteil) als auch in den Verlustmoduli (viskoser Anteil) sowie Verlustfaktor (tan delta) abhängig von der Gipsvariante festgestellt, welche auf Unterschiede in der Struktur insbesondere Porosität der Gipsmaterialien zurückgeführt werden konnten. Zudem wurden temperaturabhängige Änderungen der mechanischen Eigenschaften, die auf physikalische und chemische Prozesse im Material zurückzuführen sind, identifiziert.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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