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|Title: ||Compressive strength and morphology of fly ash based geopolymer as artificial aggregate with different curing temperature|
|Authors: ||Alida, Abdullah|
Mohd Mustafa Al Bakri, Abdullah
Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.
Che Mohd Ruzaidi, Ghazali, Prof. Madya
Mohd Arif Anuar, Mohd Salleh
Muhammad Faheem, Mohd Tahir
|Keywords: ||Artificial aggregate;Compressive strength;Fly ash;Geopolymer;Morphology;Sintering|
|Issue Date: ||2014|
|Publisher: ||Trans Tech Publications|
|Citation: ||Key Engineering Materials, vol.594-595, 2014, pages 151-155|
|Abstract: ||This paper presented the compressive strength of geopolymer paste with different NaOH concentration and morphology analysis for sintered artificial aggregate. This artificial aggregate was produce based on mix design with highest compressive strength which is 12 M. The sample was cured at 70 °C for 24 hours and then it was exposed to different temperature at range 500 °C to 700 °C. Scanning Electron Microscopy (SEM) has been used to identify the formation of microstructure. The geopolymer artificial aggregate was an alternative ways to produce a greener environmental. In this study, the compressive strength for different Na₂SiO₃/NaOH ratio has been analyzed. The morphology for best mix design then were analyze for different curing temperature. The result shows fly ash based geopolymer paste with 12 M of NaOH concentration shows excellent result with 7.30 MPa at 2.5 ratio of Na₂SiO₃/NaOH and for geopolymer artificial aggregate, when temperature of heat treatment increased, the open porosity of porous geopolymer surface decreased.|
|Description: ||Link to publisher's homepage at http://www.ttp.net/|
|Appears in Collections:||School of Materials Engineering (Articles)|
Kamarudin Hussin, Brig. Jen. Datuk Prof. Dr.
Center of Excellent Geopolymer & Green Technology (CEGeoTech) (Articles)
Che Mohd Ruzaidi Ghazali, Assoc. Prof.
Mohd Mustafa Al Bakri Abdullah,Assoc. Prof. Dr.
Muhammad Faheem Mohd Tahir
Mohd Arif Anuar Mohd Salleh
Zarina Yahya, Dr
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