Browsing Mohd Mustafa Al Bakri Abdullah, Prof. Dr. by Subject "NaOH concentration"

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    • Effect of alkali concentration on fly ash geopolymers 

      Siti Fatimah Azzahran, Abdullah; Liew, Yun-Ming; Mohd Mustafa Al Bakri, Abdullah; Heah, Cheng-Yong; Khairunnisa, Zulkifly; Kamarudin, Hussin (IOP Publishing Ltd, 2018-03)
      This paper presents the effect of NaOH concentration on fly ash geopolymers with compressive up to 56 MPa at 12M. The physical and mechanical on fly ash geopolymer are investigated. Test results show that the compressive ...

    • Effect of NaOH concentration on microstructure of boiler ash based geopolymer 

      Zarina, Yahya; Mohd Mustafa, Al Bakri Abdullah; Kamarudin, Hussin; Khairul Nizar, Ismail; Abdul Rahim, Abdul Razak (Trans Tech Publications Ltd., 2015)
      Boiler ash is one of the waste material from palm oil processing industry and it was widely available. The role of alkaline activator in geopolymer is important for its mechanical properties. NaOH and sodium silicate ...