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

Now showing items 41-60 of 265

    • 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 ...

    • Mechanical properties of Graphene-rubber nanocomposites 

      ‪Nur Asyikin, Mohd Anhar; Muhammad Mahyiddin, Ramli; ‪Nor Azura Malini, Ahmad Hambali‬; A. A., Aziz; Siti S., Mat Isa; N. S. Danial; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2017-11)
      This research focused on development of wearable sensor device by using Prevulcanized Natural Rubber (PV) and Epoxidized Natural Rubber (ENR 50) latex incorporated with graphene oxide (GO), graphene paste, graphene powder ...

    • 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 ...

    • Potential use of plastic waste as construction materials: recent progress and future prospect 

      Mohamad Anuar, Kamaruddin; Mohd Mustafa Al Bakri, Abdullah; M. H. Zawawi; M. R. R. A. Zainol (IOP Publishing Ltd, 2017-11)
      Plastic associates products based have been considered as the world most consumer packaging solution. However, substantial quantities of plastic consumption have led to exponential increase of plastic derived waste. Recycling ...

    • 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 ...

    • Effect of alkali concentration on fly ash geopolymers 

      Siti Fatimah Azzahran, Abdullah; Liew, Yun-Ming; Mohd Mustafa Al Bakri, Abdullah; Heah, Cheng-Yong; Khairunnisa, Zulkifly; Kamarudin, Hussin (IOP Publishing Ltd, 2018-03)
      This paper presents the effect of NaOH concentration on fly ash geopolymers with compressive up to 56 MPa at 12M. The physical and mechanical on fly ash geopolymer are investigated. Test results show that the compressive ...

    • ZnO photoanode effect on the efficiency performance of organic based dye sensitized solar cell 

      Ili Salwani, Mohamad; S S, Ismail; ‪Mohd Natashah, Norizan; ‪Sohiful Anuar, Zainol Murad‬; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2017-06)
      Dye sensitized solar cell has been emerged as one of the most promising candidates for photovoltaics applications in good quality of their low manufacturing cost and impressive conversion energy. Titanium dioxide (TiO₂) ...

    • Structural modifications of superficial layer of C45 steel samples through WT20 and WZr8 depositions 

      Achiței, D C; Mohd Mustafa Al Bakri, Abdullah; Sandu, A V; Țugui, A C; Benchea, M (IOP Publishing Ltd, 2017-06)
      The paper presents technological aspects regarding the modification of mechanical chracteristics in the superficial layer of C45 steel samples, through thin layers deposition using WT20 and WZr8 electrodes. Deposition of ...

    • 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 ...

    • Corrosion studies of fly ash and fly ash-slag based geopolymer 

      Farah Farhana, Zainal; ‪Siti Farahnabilah, Muhd Amli; Kamarudin, Hussin; Azmi, Rahmat; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2017-06)
      This paper presents the results of corrosion studies between Fly Ash Geopolymer (FG) paste and Fly Ash-Slag Geopolymer (FSG) paste. Geopolymer was made from aluminosilicate inorganic polymers mixed with the alkaline activator ...

    • Use of incineration solid waste bottom ash as cement mixture in cement production 

      Jun, N H; Mohd Mustafa Al Bakri, Abdullah; Jin, T S; Aeslina, Abdul Kadir; Sandu, Andrei Victor (IOP Publishing Ltd, 2017-06)
      Incineration solid waste bottom ash was use to examine the suitability as a substitution in cement production. This study enveloped an innovative technology option for designing new equivalent cement that contains incineration ...

    • Potential of starch nanocomposites for biomedical applications 

      Nurul Husna, Zakaria; Noorhafiza, Muhammad; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2017-06)
      In recent years, the development of biodegradable materials from renewable sources based on polymeric biomaterials have grown rapidly due to increase environmental concerns and the shortage of petroleum sources. In this ...

    • Surface topographical modification of coronary stent: a review 

      Tan, C H; Noorhafiza, Muhammad; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2017-06)
      Driven by the urge of mediating the inflammatory response from coronary stent implant to improve patency rates of the current coronary stent, concern has been focusing on reducing the risk of in-stent restenosis and ...

    • Coagulation-flocculation process in landfill leachate treatment: focus on coagulants and coagulants aid 

      Mohamad Anuar, Kamaruddin; Mohd Mustafa Al Bakri, Abdullah; M S, Yusoff; Alrozi, R; Neculai, O (IOP Publishing Ltd, 2017-06)
      In physico-chemical treatment, the separation of suspended particles from the liquid phase is usually accomplished by coagulation, flocculation and sedimentation. Coagulation-flocculation processes have been widely used ...