Phase changes in cementitious materials exposed to saline solutions

Autor: Klaartje De Weerdt, Ellina Bernard, Wolfgang Kunther, Malene Thostrup Pedersen, Barbara Lothenbach

Publikováno v: Cement and Concrete Research
De Weerdt, K, Bernard, E, Kunther, W, Pedersen, M T & Lothenbach, B 2023, ' Phase changes in cementitious materials exposed to saline solutions ', Cement and Concrete Research, vol. 165, 107071 . https://doi.org/10.1016/j.cemconres.2022.107071

This article summarizes long-term degradation mechanisms of cementitious materials in contact with fresh and saline solutions based on a review of experimental observations in field and laboratory studies. In addition, a simplified thermodynamic mode

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ba02c098e77da64f73d8c45db12ea2b
https://hdl.handle.net/11250/3061018

The hydration of ternary blended cements with Fe-rich slag from non-ferrous metallurgy and limestone

Autor: Vincent Hallet, Malene Thostrup Pedersen, Barbara Lothenbach, Frank Winnefeld, Lies Eykens, Nele De Belie, Yiannis Pontikes

Publikováno v: Cement and Concrete Research. 169:107155

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e85f2a24442d38fa88af8cb293bf455
https://doi.org/10.1016/j.cemconres.2023.107155

Resolution of the Two Aluminum Sites in Ettringite by 27Al MAS and MQMAS NMR at Very High Magnetic Field (22.3 T)

Autor: Jørgen Skibsted, Julian Holzinger, Malene Thostrup Pedersen

Publikováno v: Skibsted, J, Pedersen, M T & Holzinger, J 2017, ' Resolution of the Two Aluminum Sites in Ettringite by Al-27 MAS and MQMAS NMR at Very High Magnetic Field (22.3 T) ', The Journal of Physical Chemistry Part C, vol. 121, no. 7, pp. 4011-4017 . https://doi.org/10.1021/acs.jpcc.6b11875

Ettringite (Ca-6[Al(OH)(6)](2)(SO4)(3)center dot 26H(2)O) is the first hydration product formed during Portland cement hydration. Al-27 MAS NMR has been used in a wide number of studies to detect and quantify ettringite in hydrated cement blends by t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc7fa13eea79f525e783372b1ef0bc2a
https://doi.org/10.1021/acs.jpcc.6b11875

Phase separation in an ionomer glass:insight from calorimetry and phase transitions

Autor: Gregory A. Chass, Malene Thostrup Pedersen, Kun V. Tian, G. Neville Greaves, Yuanzheng Yue, Csaba Dobó-Nagy

Publikováno v: Pedersen, M T, Tian, K V, Dobó-Nagy, C, Chass, G A, Greaves, G N & Yue, Y 2015, ' Phase separation in an ionomer glass : insight from calorimetry and phase transitions ', Journal of Non-Crystalline Solids, vol. 415, pp. 24-29 . https://doi.org/10.1016/j.jnoncrysol.2015.02.012

The G338 ionomer glass is a fluoro-alumino-silicate system, which is used as the powder component of glass ionomer cements (GICs) in dental applications. However, despite progress in understanding the nature of this glass, chemical identity of its se

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8455093375a06dc13d354ddbfeebe425
https://vbn.aau.dk/da/publications/0c15ba46-7df1-47ef-9aba-7c4db2ed0295

Shear Effects on Fouling Layer Compressibility in a High Pressure Membrane Bioreactor

Autor: Mads Koustrup Jørgensen, Malene Thostrup Pedersen, Morten Christensen, Kristian Keiding

Publikováno v: Jørgensen, M K, Pedersen, M T, Christensen, M L & Keiding, K 2012, ' Shear Effects on Fouling Layer Compressibility in a High Pressure Membrane Bioreactor ', Paper presented at World Filtration Congress, Graz, Austria, 16/04/2012-20/04/2012 .
Aalborg University

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::551a7072a2b863b27a6ea53c3e6c6ce0
https://vbn.aau.dk/da/publications/ce17b78c-2070-480a-902b-d8b7f1d05ba7