Browsing Rafiza Abd Razak, Dr. by Author "Nurul Aida, Mohd Mortar"

Now showing items 1-3 of 3

    • Investigation of heat released during geopolymerization with fly ash based geopolymer 

      Rosnita, Mohamed; Rafiza, Abd Razak; Mohd Mustafa Al Bakri, Abdullah; Raa Khimi, Shuib; Nurul Aida, Mohd Mortar; Warid Wazien, Ahmad Zailani (IOP Publishing Ltd, 2019-08)
      Geopolymerization consists of several chemical reactions that has been reported widely as an exothermic reaction. Previous studies on heat released during geopolymerization used metakaolin and fly ash of F class as a ...

    • Paraffin as a phase change material in concrete for enhancing thermal energy storage 

      Rafiza, Abd Razak; Khang Zhe, Adeline Choo; Mohd Mustafa Al Bakri, Abdullah; Zarina, Yahya; Subaer, Junaidi; Khairunnisa, Muhamad; Nurul Aida, Mohd Mortar (IOP Publishing Ltd, 2020-02)
      Phase change material (PCM) for thermal energy storage (TES) is the material that can absorb energy during heating process as phase change takes place and release energy to environment during cooling process. Nowadays, ...

    • Properties and behavior of Geopolymer Concrete Subjected to Explosive Air Blast Loading: a review 

      Nurul Aida, Mohd Mortar; Kamarudin, Hussin; Rafiza, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Ahmad Humaizi, Hilmi; Andrei Victor, Sandu (EDP Sciences, 2017)
      The severe damage to civilian buildings, public area, jet aircraft impact and defense target under explosive blast loading can cause a huge property loss. Most of researcher discusses the topics on design the concrete ...