Browsing by Author "Siti Fatimah Azzahran, Abdullah"

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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 ...

    • Mechanical and thermal performance of fly ash (FA) geopolymer 

      Siti Fatimah Azzahran, Abdullah (Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2016-05)
      This research is carried out to study the mechanical and thermal performance of fly ash geopolymer exposed to high temperature. Fly ash (FA) is the waste product that can be the raw material to make geopolymers. The fly ...

    • Mechanical properties and thermal conductivity of lightweight foamed geopolymer concretes 

      Siti Fatimah Azzahran, Abdullah; Yun-Ming, Liew; Mohd Mustafa Al Bakri, Abdullah; Cheng-Yong, Heah; Khairunnisa, Zulkifly (IOP Publishing Ltd, 2019-08)
      Foamed geopolymer concretes have a better performance in the thermal insulation properties compared to normal geopolymer concretes. In this research, lightweight aggregate geopolymer concretes was incorporated with different ...