Browsing Mohd Mustafa Al Bakri Abdullah, Prof. Dr. by Author "Center of Excellence Geopolymer and Green Technology (CEGeoGTech), School of Materials Engineering, Universiti Malaysia Perlis (UniMAP)"

Now showing items 1-20 of 63

    • 132kV oil impregnated paper bushing transformer - design by CAD, analysed by FEM 

      Nurulazmi, Abd Rahman; Muzamir, Isa; ‪Mohamad Nur Khairul Hafizi, Rohani; H. A., Hamid; Mohd Mustafa Al Bakri, Abdullah (Horizon Research Publishing, 2019)
      The Electric Field and Voltage Distribution (EFVD) are an important parameter for assessing high voltage bushing transformer performance. However, conducting laboratories experiment is dangerous, difficult and expensive ...

    • Advanced glass reinforced epoxy filled fly ash based geopolymer filler: preparation and characterization on piping materials 

      Mohammad Firdaus, Abu Hashim‬; Mohd Mustafa Al Bakri, Abdullah; Sandu, A. V.; Puskas, A.; Yusrina, Mat Daud; Farah Farhana, Zainal; M. A. Faris; Hasri; Hartati (IOP Publishing Ltd, 2019-07)
      The preparation and characterization of glass reinforced epoxy filled with different weight percentage of geopolymers filler attained from fly ashand epoxy resins are reported limited of study. Recent glass reinforced epoxy ...

    • Bond strength mechanism of fly ash based geopolymer mortars: a review 

      ‪Warid Wazien, Ahmad Zailani; Mohd Mustafa Al Bakri, Abdullah; Rafiza, Abd Razak; Mohd Remy Rozainy, Mohd Arif Zainol‬; Muhammad Faheem, Mohd Tahir (IOP Publishing Ltd, 2017-11)
      Geopolymer possess many excellent properties such as high compressive and bond strength, long term durability, better acid resistance and also known as a "Sustainable Material" due to its low carbon emission and low energy ...

    • Bonding strength characteristics of FA-based geopolymer paste as a repair material when applied on OPC substrate 

      Warid Wazien, Ahmad Zailani; Bouaissi, Aissa; Mohd Mustafa Al Bakri, Abdullah; Rafiza, Abd Razak; Yoriya, Sorachon; Mohd Arif Anuar, Mohd Salleh; Mohd Remy Rozainy, M. A. Z.; Hamzah, Fansuri (MDPI AG, 2020-05)
      This investigative study aims to study the mechanical and morphological properties of fly ash (FA)-based geopolymer paste as a repair material when applied on ordinary Portland cement (OPC) overlay concrete. The first part ...

    • Characterisation at the bonding zone between fly ash based geopolymer repair materials (GRM) and ordinary portland cement concrete (OPCC) 

      Warid Wazien, Ahmad Zailani; Mohd Mustafa Al Bakri, Abdullah; Mohd Fadzil, Arshad; Rafiza, Abd Razak; Muhammad Faheem, Mohd Tahir; Remy Rozainy, Mohd Arif Zainol; Nabiałek, Marcin; Sandu, Andrei Victor; Wysłocki, Jerzy J.; Błoch, Katarzyna (MDPI AG, 2020-12)
      In recent years, research and development of geopolymers has gained significant interest in the fields of repairs and restoration. This paper investigates the application of a geopolymer as a repair material by implementation ...

    • Characteristics of thermoplastic potato starch/bentonite nanocomposite film 

      Nurul Husna, Zakaria; Noorhafiza, Muhammad; Mohd Mustafa Al Bakri, Abdullah; Sandu, I. G.; Mei Wan, C. L. (IOP Publishing Ltd, 2018-06)
      The aim of this study is to investigate the effect of bentonite towards thermoplastic potato starch nanocomposite films on the mechanical, microstructure and physical properties. The nanocomposite films were prepared using ...

    • Characterization of geopolymer ceramic reinforced Sn-0.7Cu composite solder: effect of milling time and speed 

      Mohd Arif Anuar, Mohd Salleh; Mohd Mustafa Al Bakri, Abdullah; Thiaghu, Maiteli; Nur Syahirah, Mohamad Zaimi; Romisuhani, Ahmad (IOP Publishing Ltd, 2019-12)
      The effect on the addition of optimally ball milled kaolin and fly ash geopolymer ceramic as reinforcement on the morphology and electrical properties of Sn-0.7Cu composite solder were explored. Geopolymer ceramics from ...

    • Compressive strength and thermal conductivity of metakaolin geopolymers with anisotropic insulations 

      Nur Ain, Jaya; Yun-Ming, Liew; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin; Cheng Yong, Heah; Ridho, Bayuaji; Muhammad Faheem, Mohd Tahir (IOP Publishing Ltd, 2020-02)
      This research investigated the properties of thermally insulating geopolymer prepared using waste filler (fibreboard and rubber) to act as anisotropic pore/insulation. The geopolymer matrix was synthesised using metakaolin ...

    • Correlation of microstructure and flexural strength of fly ash geopolymer of varying molarities 

      Yong-Sing, Ng; Yun-Ming, Liew; Cheng-Yong, Heah; Mohd Mustafa Al Bakri, Abdullah; Hui-Teng, Ng; Amir, Naveed (IOP Publishing Ltd, 2019-08)
      The present work studies and compares the flexural properties of fly ash geopolymer with varying molarity of sodium hydroxide (NaOH). Different molarities of NaOH solution (6M, 8M, 10M, 12M and 14M) are used to prepare the ...

    • Correlation of the processing parameters in the formation of granulated ground blast furnace slag geopolymer 

      Ikmal Hakem, Aziz; Mohd Mustafa Al Bakri, Abdullah; Yong, H C; Ming, L Y; Panias, D; Sakkas, K (IOP Publishing Ltd, 2017-06)
      Geopolymers are inorganic materials with huge potential applications including building material, fire resistant materials, and agricultural construction materials. Various parameters influenced the final properties of ...

    • Degradation of organic matter from stabilized leachate by using zinc sulphate as coagulant agent 

      Mohamad Anuar, Kamaruddin; M. S., Yusoff; N. H., Adam; M. R. R. Maz; Mohd Mustafa Al Bakri, Abdullah; R. Alrozi; M. H., Zawawi (IOP Publishing Ltd, 2018-06)
      Stabilized landfill leachate often contains higher organic fractions than the young one. The organics require several sequential treatments to render the leachate parameters concentrations to permissible discharge limits ...

    • Durability of fly ash based geopolymer concrete infilled with rubber crumb in seawater exposure 

      Zarina, Yahya; Mohd Mustafa Al Bakri, Abdullah; S. N. H. Ramli; Minciuna, M. G.; Rafiza, Abd Razak (IOP Publishing Ltd, 2018-06)
      Geopolymer is an alternative binder to replace Ordinary Portland Cement (OPC)in construction industry. Source materials that rich in silica (Si) and alumina (Al) were activated by using alkaline solution. Production of ...

    • Durability of geopolymer lightweight concrete infilled LECA in seawater exposure 

      Rafiza, Abd Razak; Mohd Mustafa Al Bakri, Abdullah; Zarina, Yahya; M. S. A. Hamid (IOP Publishing Ltd, 2017-11)
      This paper describes a development of lightweight concrete using lightweight expanded clay aggregate (LECA) in fly ash (FA) based geopolymer immersed in seawater. The objective of this research is to compare the performance ...

    • Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺ 

      Nurliyana, Ariffin; Mohd Mustafa Al Bakri, Abdullah; Postawa, Przemysław; Shayfull Zamree, Abd Rahim; Mohd Remy Rozainy, Mohd Arif Zainol; Ramadhansyah, Putra Jaya; Sliwa, Agata; Mohd Firdaus, Omar (MDPI AG, 2021-02)
      This current work focuses on the synthesis of geopolymer-based adsorbent which uses kaolin as a source material, mixed with alkali solution consisting of 10 M NaOH and Na₂SiO₃ as well as aluminium powder as a foaming agent. ...

    • The effect of baggase ash on fly ash-based geopolimer binder 

      Bayuaji, R.; M. S., Darmawan; N. A. Husin; Banugraha, R.; M. Alfi; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2018-06)
      Geopolymer concrete is an environmentally friendly concrete. However, the geopolymer binder has a problem with setting time; mainly the composition comprises high calcium fly ash. This study utilized bagasse ash to improve ...

    • The effect of chloride ion diffusion on corrosion activity of kaolin geopolymer paste in artificial seawater 

      Sahrul, Abd Hakim; Yusrina, Mat Daud; Mohammad Firdaus, Abu Hashim‬; Mohd Mustafa Al Bakri, Abdullah; Hasri; Hartati (IOP Publishing Ltd, 2019-12)
      This paper presents the effect of chloride ion diffusion on the corrosion activity of kaolin geopolymer paste in artificial seawater. An aluminosilicate material that rich with aluminium and silicon such as kaolin is ...

    • Effect of different ratio of geopolymer paste based fly ash-metakaolin on compressive strength and water absorption 

      Nor Shida Dalila, Mohd Azhar; Farah Farhana, Zainal; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2019-12)
      This paper presents the effect of different solid to solid (S/S) ratio by mixing the fly ash and metakaolin as geopolymer paste on the compressive strength and water absorption. Fly ash is a waste materials produced by ...

    • Effect of graphene oxide on microstructure and optical properties of TiO₂ thin film 

      Azliza, Azani; Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Mohd Fairul Sharin, Abdul Razak; Norsuria, Mahmed; Muhammad Mahyiddin, Ramli; Ayu Wazira, Azhari; Chobpattana, Varistha (IOP Publishing Ltd, 2019-12)
      GO/TiO₂ thin films have been synthesized from titanium (IV) isopropoxide (TTIP) by a sol-gel method. The films were deposited onto a glass substrate using spin coating deposition technique then were subjected to annealed ...

    • Effect of solid to liquid ratio on heavy metal removal by geopolymer-based adsorbent 

      Nurliyana, Ariffin; Mohd Mustafa Al Bakri, Abdullah; Mohd Remy Rozainy, Mohd Arif Zainol; Baltatu, M. S.; Liyana, Jamaludin (IOP Publishing Ltd, 2018-06)
      Microstructure of three-dimensional aluminosilicate which similar to zeolite cause geopolymer based adsorbent accepted in the treatment of wastewater. This paper presents an investigation on the copper removal from the ...

    • Effect of solid-to-liquid ratio on thin fly ash geopolymer 

      Yong-Sing, Ng; Yun-Ming, Liew; Mohd Mustafa Al Bakri, Abdullah; Hui-Teng, Ng; Kamarudin, Hussin; Cheng Yong, Heah; Nurul Aida, Mohd Mortar; Sandu, Andrei Victor (IOP Publishing Ltd, 2020-02)
      The present work studies the effect of solid-to-liquid (S/L) ratio on the properties of thin fly ash-based geopolymer. The fly ash geopolymers with dimension of 160 mm × 40 mm × 10 mm were synthesised by using various S/L ...