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UID:DSC-22998
DTSTART;TZID=Europe/Berlin:20260702T130000
SEQUENCE:1783316414
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20260702T150000
URL:https://dresden-science-calendar.org/calendar/de/detail/22998
LOCATION:TUD Materials Science - HAL\, Hallwachsstraße 301069 Dresden
SUMMARY:Matschei: Thermodynamics of hydration – the magic interplay betwe
 en water and cement
CLASS:PUBLIC
DESCRIPTION:Speaker: Thomas Matschei\nInstitute of Speaker: Institute of Bu
 ilding Materials\, Concrete Construction and Fire Safety (iBMB)  TU Brauns
 chweig\nTopics:\nMaterialien\n Location:\n  Name: TUD Materials Science - 
 HAL (HAL Bürogebäude - 115)\n  Street: Hallwachsstraße 3\n  City: 01069
  Dresden\n  Phone: \n  Fax: \nDescription: Cement hydration is a highly co
 mplex process governed by a network of simultaneous interconnected dissolu
 tion-precipitation reactions. The resulting assembly of hydrate phases ult
 imately dictates the microstructural development\, mechanical performance\
 , and long-term durability of any cementitious material and its correspond
 ing concrete. Historically\, this evolution was viewed as a predominantly 
 kinetically driven process\, leading to a widespread consensus that classi
 cal thermodynamic methods could not be applied to such quasi-non-equilibri
 um systems. Recent advances in computational materials science have fundam
 entally challenged this paradigm. Research demonstrates that thermodynamic
  calculations can precisely predict phase stabilities and accurately track
  the progress of cement hydration\, provided they are supported by a robus
 t\, internally consistent thermodynamic dataset and a related kinetic mode
 l. With the successful development of the so-called  cemdata database\, we
  are now in a position to accurately compute relevant liquid-solid phase e
 quilibria of hydrating cements.&amp\;#13\; Beyond classic phase assemblage
 s\, this seminar explores the dynamic capability to identify critical equi
 libria changes during the hydration timeline. We try to come up with a nov
 el framework for discussion: can these distinct thermodynamic transition p
 oints be coupled with modern sensing technologies in the field? Such integ
 ration could unlock real-time capabilities to accurately predict early-age
  concrete performance of concrete e.g. after placement or to  detect anoma
 lies in hardening behaviour. Finally\, a potential use-case will be explor
 ed through a practical case study focusing on the thermodynamic detection 
 of optimum sulfate levels in cement\, illustrating how fundamental chemica
 l equilibria can be translated into possible field monitoring setups.
DTSTAMP:20260824T045400Z
CREATED:20260619T053906Z
LAST-MODIFIED:20260706T054014Z
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