Mohd Mustafa Al Bakri Abdullah, Prof. Dr.: Recent submissions

Now showing items 21-40 of 265

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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. ...

    • 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 ...

    • 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 ...

    • Extraction of nitrogen, phosphorus and potassium from food waste under elevated temperature by heat induced bath method 

      Mohamad Anuar, Kamaruddin; N. F., Ahmad; Sandu, I. G.; Alrozi, R.; Sandu, I.; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2019-07)
      38,000 tonnes of waste is generated per day in Malaysia and 15,000 tonnes of that are food wastes. This waste should be recovered to produce a new valuable product that brings benefits such as fertiliser because it contains ...

    • Process of magnetizing bulk amorphous alloys Fe₄₃₊ₓCo₂₉-ₓY₈B₂₀ (x= 0 or 5) 

      Nabialek, M.; Jeż, B.; Jeż, K.; Pietrusiewicz, P.; Błoch, K.; Gondro, J.; Mohd Mustafa Al Bakri, Abdullah; Sandu, A. V. (IOP Publishing Ltd, 2019-07)
      The paper presents the results of investigations of the structure and magnetic properties of Fe₄₃₊ₓCo₂₉₋ₓY₈B₂₀ bulk amorphous alloys (x = 0 or 5). Alloy samples were made using injection a liquid alloy into a copper mold. ...

    • Optimization of processing parameters for graphitization of oil palm trunk waste at lower heating temperature 

      N. A., Karim; Che Mohd Ruzaidi, Ghazali; M. M., Ramli; Sandu, A. V.; Chirila, E.; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2019-07)
      Previously synthetic graphite was produced at higher temperature which is around 2,500°C in complex processing method. The method bear the name of the scientist whose discover the synthetic graphite namely "Acheson Process". ...

    • The influence of pre-heated treatment to improve adhesion bond coating strength of fly ash based geopolymer ceramic 

      Liyana, Jamaludin; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin; Aeslina, Abdul Kadir (IOP Publishing Ltd, 2018-06)
      The study focus on effect of pre-heated ceramic surface on the adhesion bond strength between geopolymer coating coating and ceramic substrates. Ceramic substrates was pre-heated at different temperature (400 °C, 600 °C, ...

    • 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 ...

    • 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 ...

    • Influence of kaolin in fly ash based geopolymer concrete: destructive and non-destructive testing 

      Zarina, Yahya; Mohd Mustafa Al Bakri, Abdullah; N. Mohd Ramli; Burduhos-Nergis, D. D.; Rafiza, Abd Razak (IOP Publishing Ltd, 2018-06)
      Development of geopolymer concrete is mainly to reduce the production of ordinary Portland cement (OPC) that adverse the natural effect. Fly ash is a by-product collected from electrical generating power plant which resulted ...

    • Geopolymers and their uses: review 

      Nergis, Dumitru Doru Burduhos; Mohd Mustafa Al Bakri, Abdullah; Vizureanu, P.; Muhammad Faheem, Mohd Tahir (IOP Publishing Ltd, 2018-06)
      Outlining the past-present history of the study of alumino-silicate materials, it is well known that geopolymers are inorganic polymers obtained from chemical reaction, also known as geopolymerisation, between an alkaline ...

    • Magnetic properties of rapid cooled FeCoB based alloys produced by injection molding 

      Nabiałek, M.; Jeż, B.; Jeż, K.; Pietrusiewicz, P.; Gruszka, K.; Bloch, K.; Gondro, J.; Rzącki, J.; Mohd Mustafa Al Bakri, Abdullah; Sandu, A. V.; Szota, M. (IOP Publishing Ltd, 2018-06)
      The paper presents the results of investigations of the structure and magnetic properties of massive rapid cooled Fe₅₀₋ₓCo₂₀₊ₓB₂₀Cu₁Nb₉ alloys (where x = 0, 5). Massive alloys were made using the method of injecting a ...

    • Investigation on properties and leachability of sewage sludge from wastewater treatment plant incorporated in fired clay brick 

      N. S., Abdul Salim; Aeslina, Abdul Kadir; M. A., Kamarudin; M. H. Fadzli, Zaidi; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2018-06)
      Sewage sludge is produced from wastewater treatment plant that often dumped into landfill sites, lagoons or together with municipal waste. Apart from this, the disposal of this sewage sludge becoming a problem for environment. ...

    • 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 ...