Researchers: Recent submissions

Now showing items 41-60 of 3486

    • 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". ...

    • Preparation of heat treated Titanium Dioxide (TiO₂ ) nanoparticles for water purification 

      Araoyinbo, A. O.; Mohd Mustafa Al Bakri, Abdullah; Azmi, Rahmat; A. I., Azmi; Vizureanu, P.; Wan Mohd Faizal, Wan Abd Rahim (IOP Publishing Ltd, 2018-06)
      Photocatalysis using the semiconductor titanium dioxide (TiO₂) has proven to be a successful technology for waste water purification. The photocatalytic treatment is an alternative method for the removal of soluble organic ...

    • 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 ...

    • Effect of mixing temperature on characteristics of thermoplastic potato starch film 

      Nurul Husna, Zakaria; Noorhafiza, Muhammad; Sandu, Andrei Victor; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2018-06)
      This study present the preparation of potato starch film with glycerol as a plasticizer through a solution casting technique. The effect of mixing temperature (80°C, 85°C, 90°C and 95°C) on the tensile and microstructure ...

    • 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 ...

    • 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 sodium hydroxide molarity on physical, mechanical and thermal conductivity of metakaolin geopolymers 

      Nur Ain, Jaya; Liew, Yun-Ming; Mohd Mustafa Al Bakri, Abdullah; Heah, Cheng-Yong; Kamarudin, Hussin (IOP Publishing Ltd, 2018-03)
      In the present work, the effect of different sodium hydroxide (NaOH) molarity (6M, 8M, 10M, 12M and 14M) on the physical, mechanical and thermal conductivity of metakaolin geopolymers (MkGPs) was investigated. Geopolymers ...

    • Friction and braking application of unhazardous palm slag brake pad composite 

      Norizzahthul Ainaa, Abdul Khoni; Che Mohd Ruzaidi, Ghazali; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2018-03)
      This paper reveals new alternative friction materials for brake pads. Palm slag was studied as new friction materials in brake pads but its much harder made it difficult to be applied. As a way to reduce the hardness, tire ...

    • 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 ...

    • Study on the geopolymer concrete properties reinforced with hooked steel fiber 

      Mohd Mustafa Al Bakri, Abdullah; Muhammad Faheem, Mohd Tahir; Meor Ahmad Faris, Meor Ahmad Tajudin; J. J. Ekaputri; R. Bayuaji; Nuranissa Azrin, Mohd Khatim (IOP Publishing Ltd, 2017-06)
      In this research, Class F fly ash and a mixture of alkaline activators and different amount of hooked steel fiber were used for preparing geopolymer concrete. In order to analyses the effect of hooked steel fiber on the ...