Results 221 to 230 of about 25,921 (279)

Impact of variations in the molarity of sodium hydroxide on metakaolin-ground granular blast-furnace slag-based geopolymer concrete

Rahul Kumar, Rajwinder Singh, Mahesh Patel   +2 more
openalex   +2 more sources

Utilizing metakaolin and siliceous waste from the alum industry to create geopolymer adsorbent for the removal of certain heavy metals. [PDF]

Sci Rep
Elewa K, Tawfic AF, Tarek M, Al-Sagheer NA, Nagy NM.   +4 more
europepmc   +1 more source

Advanced clay-based geopolymer: influence of structural and material parameters on its performance and applications. [PDF]

RSC Adv
Khan R, Iqbal S, Soliyeva M, Ali A, Elboughdiri N.   +4 more
europepmc   +1 more source

Using XRD to Assess the Strength of Fly-Ash- and Metakaolin-Based Geopolymers. [PDF]

Materials (Basel)
van Riessen A, Jamieson E, Gildenhuys H, Skane R, Allery J.   +4 more
europepmc   +1 more source

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Metakaolin—lime hydration products

Thermochimica Acta, 1984
Abstract Four mixtures were prepared of weight ratios 80:20, 70:30, 60:40 and 50:50 of china kaolin/pure Ca(OH) 2 . Each mix was activated for 2 h at 800°C and then paste hydrated at room temperature and 100% RH for up to 28 days. The hydration products were studied by XRD as well as DTA and TG techniques.
M.A. Serry, A.S. Taha, S.A.S. El-Hemaly, H. El-Didamony   +3 more
openaire   +1 more source

Pozzolanic activation of metakaolin

Advances in Cement Research, 1992
Metakaolin may be calcined without grinding and suitably activated by Ca(OH)2, Na2SO4, CaSO4 (beta anhydrite) and/or NaOH. The best strengths, 50 MPa from mortar cubes at 18 months, were obtained using Ca(OH)2 and CaSO4 activators. The handling and set properties are similar to those of Portland cement; aluminous C-S-H gel is the best binder.
P. S. De Silva, F. P. Glasser
openaire   +1 more source