Now showing items 1-20 of 281

    • 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 ...
    • Alkali activated blast-furnace slag cement: The opportunity to solve sustainable issues 

      Aimi Noorliyana, Hashim; Mohd Mustafa Al Bakri, Abdullah; Azira, M.N.; Noor Mariamadzliza, Mohd Nan; Kamrosni, Abdul Razak; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (American-Eurasian Network for Scientific Information, 2013)
      This paper aimed at investigating the possibility of alkali activated blast-furnace slag (BFS) to produce cement powder that could be alternative to ordinary Portland cement. It was found that an alkali activated BFS ...
    • Alteration in the microstructure of fly ash geopolymer upon exposure to elevated temperatures 

      Omar A., Abdulkareem; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr. (Trans Tech Publications, 2013)
      This paper represents the mechanical and microstructure changes in geopolymeric material synthesized by the alkali activation of locally source fly ash at high temperatures of 400, 600 and 800 °C. The high compressive ...
    • Application of clay - based geopolymer in brick production: A review 

      Muhammad Faheem, Mohd Tahir; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Izzat, Ahmad (Trans Tech Publications, 2013)
      This paper reviews and summarizes the current knowledge and application of clay as a geopolymer material in production of geopolymer brick. As we understand, the nature of source materials give a significant impact to the ...
    • Application of clay - based geopolymer in brick production: a review 

      Muhammad Faheem, Mohd Tahir; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin; Mohammed, Binhussain; Che Mohd Ruzaidi, Ghazali; Mohd Izzat, Ahmad (Trans Tech Publications/Scientific.Net, 2012-12)
      This paper reviews and summarizes the current knowledge and application of clay as a geopolymer material in production of geopolymer brick. As we understand, the nature of source materials give a significant impact to the ...
    • Application of clay - based geopolymer in brick production: A review 

      Muhammad Faheem, Mohd Tahir; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Izzat, Ahmad (Trans Tech Publications Inc., 2013)
      This paper reviews and summarizes the current knowledge and application of clay as a geopolymer material in production of geopolymer brick. As we understand, the nature of source materials give a significant impact to the ...
    • Assessment of Functional and Dysfunctional on Implant Stability Measurement for Quality of Life 

      Norshahrizan, Nordin; Mohd Mustafa Al Bakri, Abdullah; Fauziah, Mat; Muhammad, Abdullah; Razli, Che Razak; Abdul Hamid, Adom (EDP Sciences, 2017)
      This study was conducted to investigate the effect of an implant wearer comprising among orthopedic patients as well as the use of implant dentistry in Northern Malaysia. A total of 100 questionnaires were distributed and ...
    • Behavior of alkali-activated fly ash through underwater placement 

      Zarina, Yahya; Mohd Mustafa Al Bakri, Abdullah; Li, Long-yuan; Nergis, Dumitru Doru Burduhos; Muhammad Aiman Asyraf, Zainal Hakimi; Sandu, Andrei Victor; Vizureanu, Petrica; Rafiza, Abd Razak (MDPI AG, 2021-11-14)
      Underwater concrete is a cohesive self-consolidated concrete used for concreting underwater structures such as bridge piers. Conventional concrete used anti-washout admixture (AWA) to form a high-viscosity underwater ...
    • Behavior of CuPb12Sn6 Alloys subjected to Heat Treatments 

      Cristian Achiței, Dragoș; Georgiana Minciună, Mirabela; Mohd Mustafa Al Bakri, Abdullah; Victor, Sandu Andrei; Michal, Szota; Petrică, Vizureanu (EDP Sciences, 2016-10)
      The paper present the structural modifications induced by 3 heat treatments: homogenization, recrystallization and quenching, respecting the specific parameters of copper based alloys. The obtained modifications by heat ...
    • Bengkel Kepimpinan Majlis Perwakilan Pelajar KUKUM 

      Mohd Mustafa Al Bakri, Abdullah (Kolej Universiti Kejuruteraan Utara Malaysia, 2003-12)
    • 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 ...
    • 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 ...
    • Calcined kaolin geopolymeric powder: Influence of water- to geopolymeric powder ratio 

      Liew, Yun Ming; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Binhussain, M.; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; cheng, Yong Heah (Trans Tech Publications, 2012-07)
      This paper describes the synthesis of calcined kaolin geopolymeric powder from the alkaline activation of calcined kaolin followed by solidification and pulverizing process. The geopolymeric powder was used by just adding ...
    • Ceramic Waste Concrete (CWC) 

      Mohd Mustafa Al Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Norazian, Mohammed Noor; Norzaidi, Zainol (Kementerian Pengajian Tinggi Malaysia (KPTM), 2007-08-10)
    • 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 ...
    • Characterization of LUSI mud volcano as geopolymer raw material 

      Mohd Mustafa Al Bakri, Abdullah; Rafiza, Abdul Razak; Djwantoro, Hardjito, Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr. (Trans Tech Publications, 2012)
      The mud of mud volcano samples were collected from an eruption site named 'LUSI' (Lumpur "mud" -Sidoarjo), East Java, Indonesia for characterization. Analysis showed that, the major constituents of mud are SiO 2 and Al 2O ...