Now showing items 1-14 of 14

    • 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 ...
    • 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 ...
    • The effect of thermal annealing on the microstructure and mechanical properties of Sn-0.7Cu-xZn solder joint 

      Mohd Izrul Izwan, Ramli; Mohd Arif Anuar, Mohd Salleh; Rita, Mohd Said; Mohd Mustafa Al Bakri, Abdullah; Dewi Suriyani, Che Halin; Norainiza, Saud; Nabiałek, Marcin (MDPI AG, 2021-02)
      The microstructural properties of a Pb-free solder joint significantly affect its mechanical behaviours. This paper details a systematic study of the effect of the annealing process on the microstructure and shear strength ...
    • Graphene geopolymer hybrid: a review on mechanical properties and piezoelectric effect 

      Nuaim Siddiqi, Danial; Dewi Suriyani, Che Halin; Muhammad Mahyiddin, Ramli; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Siti S., Mat Isa; L. F., A. Talip; N. S., Mazlan (IOP Publishing Ltd, 2019-08)
      A review on graphene geopolymers hybrid is presented, focusing on the mechanical properties and piezoelectric effect. The method and way of mixing graphene with geopolymers are discussed, including form of graphene that ...
    • Hybrid mold: comparative study of rapid and hard tooling for injection molding application using Metal Epoxy Composite (MEC) 

      Radhwan, Hussin; Safian, Sharif; Nabiałek, Marcin; Shayfull Zamree, Abd Rahim; Mohd Tanwyn, Mohd Khushairi; Mohd Azlan, Suhaimi; Mohd Mustafa Al Bakri, Abdullah; Mohd Hazwan, Mohd Hanid; Wysłocki, Jerzy J.; Bloch, Katarzyna (MDPI AG, 2021-02)
      The mold-making industry is currently facing several challenges, including new competitors in the market as well as the increasing demand for a low volume of precision moldings. The purpose of this research is to appraise ...
    • Influence of kaolin geopolymer ceramic additions to the wettability and electrical properties of Sn-3.0Ag-0.5Cu (SAC305) lead free solder 

      Nur Syahirah, Mohamad Zaim; Mohd Arif Anuar, Mohd Salleh; Mohd Mustafa Al Bakri, Abdullah; Marliza, Mostapha; Romisuhani, Ahmad (IOP Publishing Ltd, 2019-12)
      The effect of kaolin geopolymer ceramic addition to the wettability and electrical resistivity of Sn-3.0Ag-0.5Cu (SAC305) lead free solder was successfully explored. Powder metallurgy with microwave sintering method was ...
    • Mesoporous structure of doped and undoped PEG on Ag/TiO₂ thin film 

      Kamrosni, Abdul Razak; Dewi Suriyani, Che Halin; Azliza, Azani; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Muhammad Mahyiddin, Ramli; Suhaila, Sepeai (IOP Publishing Ltd, 2019-08)
      In this reaserch, photocatalyst silver titanium dioxide was doped and modified by Polyethylene Glycol (PEG). The purpose of the present study was to analyse the synthesized Ag/TiO₂ thin film doped and undoped PEG. Ag/TiO₂ ...
    • Microstructural studies of doped PEG Ag/TiO₂ thin film 

      Kamrosni, Abdul Razak; Dewi Suriyani, Che Halin; Azliza, Azani; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Chobpattana, Varistha; Ayu Wazira, Azhari (IOP Publishing Ltd, 2019-12)
      Ag/TiO₂ thin film was prepared by the sol-gel method through the hydrolysis of titanium tetraisopropoxide and silver nitrate solution. Various amount of PEG was doped into the solution preparation to study the effect on ...
    • Microstructure and wettability of Graphene Oxide/TiO2 thin film prepared via sol-gel method 

      Azliza, Azani; Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Muhammad Mahyiddin, Ramli; Suhaila, Sepeai (IOP Publishing Ltd, 2019-08)
      The microstructure of graphene oxide TiO2 (GO/TiO2) films on wettability and morphology properties were studied at different amount of Titanium isopropoxide with fixed amount of GO. GO/TiO2 thin films were prepared by using ...
    • Microstructure evolution of Ag/TiO₂ thin film 

      Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Mohd Arif Anuar, Mohd Salleh; Mohd Izrul Izwan, Ramli; Mohd Mustafa Al Bakri, Abdullah; Ayu Wazira, Azhari; Kazuhiro, Nogita; Hideyuki, Yasuda; Nabiałek, Marcin; Wysłocki, Jerzy J. (MDPI AG, 2021-01)
      Ag/TiO₂ thin films were prepared using the sol-gel spin coating method. The microstructural growth behaviors of the prepared Ag/TiO₂ thin films were elucidated using real-time synchrotron radiation imaging, its structure ...
    • Performance of Sn-3.0Ag-0.5Cu composite solder with kaolin geopolymer ceramic reinforcement on microstructure and mechanical properties under isothermal ageing 

      Nur Syahirah, Mohamad Zaimi; Mohd Arif Anuar, Mohd Salleh; Sandu, Andrei Victor; Mohd Mustafa Al Bakri, Abdullah; Norainiza, Saud; Shayfull Zamree, Abd Rahim; Vizureanu, Petrica; Rita, Mohd Said; Mohd Izrul, Izwan Ramli (MDPI AG, 2021-02)
      This paper elucidates the effect of isothermal ageing at temperature of 85 °C, 125 °C and 150 °C for 100, 500 and 1000 h on Sn-3.0Ag-0.5Cu (SAC305) lead-free solder with the addition of 1 wt% kaolin geopolymer ceramic (KGC) ...
    • Phase study of titanium dioxide nanoparticle prepared via sol-gel process 

      Oladeji Araoyinbo, Alaba; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Nurul Nadia, Abdul Aziz; Azwan Iskandar, Azmi (IOP Publishing Ltd, 2018-03)
      In this study, titanium dioxide nanoparticles have been prepared via sol-gel process using titanium tetraisopropoxide as a precursor with hydrochloric acid as a catalyst, and ethanol with deionized water as solvents. The ...
    • Recent graphene oxide/TiO₂ thin film based on self-cleaning application 

      A. Azani; Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Muhammad Mahyiddin, Ramli; Ayu Wazira, Azhari; Chobpattana, V. (IOP Publishing Ltd, 2019-08)
      Graphene oxide/TiO₂ (GO/TiO₂) thin films works as self-cleaning device have been developed in various method onto selected substrates. It was noticeable that graphene oxide is the best form in the group of graphene family. ...
    • Synthesis and charactherization of TiO₂ doped SnO₂ thin film prepared by sol-gel method 

      Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Azliza, Azani; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Nur Syahirah, Shafee; Muhammad Mahyiddin, Ramli; Ayu Wazira, Azhari; Chobpattana, Varistha (IOP Publishing Ltd, 2019-12)
      In this work, preparation of titanium dioxide doped with tin oxide, SnO₂/TiO₂ thin films deposited onto silicon wafer via sol-gel method. Different amount of SnO₂ was added (5 ml, 10ml and 15 ml) into parent solution. The ...