Cited by 76Adsorption and Cooling SystemsConcrete and Cement Materials ResearchThermal and Kinetic Analysis

Comparative kinetics study on carbonation of ettringite and meta-ettringite based materials

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Chen, Bao, Horgnies, Matthieu, Huet, Bruno, Morin, Vincent, Johannes, Kévyn, Kuznik, Frédéric·2020·Cement and Concrete Research

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Crossref · 10.1016/j.cemconres.2020.106209

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  • In carbonated Y-A paste, only bassanite is observed as the calcium sulphate crystalline phase because the RH of the carbonation experiment was 65%.

    “In agreement with previous reports [18,19,21], only bassanite is observed here, as calcium sulphate crystalline phase, because the RH of the carbonation experiment was 65%.”

    From X-ray Total Scattering Study of Phases Formed from Cement Phases Carbonation (2021) · cites this paper as [18]

    Section 4.6.2 (page unavailable) reports hemihydrate rather than gypsum in an ettringite-based material carbonated at 65% RH, and explains how moisture conditions can favor hemihydrate. It does not report observations in Y-A paste; its own hydrated samples at 70% RH contained both hemihydrate and trace gypsum. Thus it supports the comparison, but not the claim that 65% RH explains the exclusive observation in Y-A paste. (LLM, conf=0.86)

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  • Gypsum is formed at high RH values of ~90% while bassanite forms at lower RH (e.g., 60-70%).

    “It is well established that gypsum is formed at high RH values of ~90% meanwhile bassanite forms at lower RH (e.g., 60-70%) [18,19,21].”

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Research works printed but not linked: 1

  1. [40]40. F. Winnefeld, C. Hargis, S. Steiner, J. Kaufmann, A. Borgschulte, M. Marchi, S. Allevi, B. Lothenbach, Carbonation resistance of calcium sulfoaluminate cement mortars, in: Conf. to Celebr. Centen. LMC Karen Scrivener's 60th Birthd., Lausanne, Switzerland, 2018: pp. 243-246.

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Authors
Chen, B., Horgnies, M., Huet, B., Morin, V., Johannes, K., & Kuznik, F.
Affiliations
  • Lyon 1 Université (FR)
  • LafargeHolcim (France) (FR)
Corresponding author
Chen, Bao
Venue
Cement and Concrete Research
Publisher
Elsevier BV
Published
2020-11
Volume
137
Pages
106209
ISSN
0008-8846 (ISSN-L)
OpenAlex
W3084217029
Cited by
76
References
41
Citations by year
2026: 12 · 2025: 21 · 2024: 24 · 2023: 7 · 2022: 6 · 2021: 4 · 2020: 2
FWCI
2.34
Type
journal article
Language
en
Open access
Locations
  • Cement and Concrete Research (acceptedVersion)
  • HAL (submittedVersion, cc-by-nc)
Funders
Association Nationale de la Recherche et de la Technologie
Topics
  • Physical Sciences › Engineering › Mechanical Engineering › Adsorption and Cooling Systems
  • Physical Sciences › Engineering › Civil and Structural Engineering › Concrete and Cement Materials Research
  • Physical Sciences › Materials Science › Materials Chemistry › Thermal and Kinetic Analysis
Keywords
ettringite, carbonation kinetics, calcium aluminate cement, ordinary Portland cement, relative humidity, CO2 concentration, vaterite, aragonite, calcium sulfate hemihydrate, gypsum, heat storage capacity

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