Researchers: Recent submissions

Now showing items 61-80 of 3486

    • 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 ...

    • Nickel (Ni) microalloying additions in Sn-Cu lead-free solder. short review 

      Mohd Arif Anuar, Mohd Salleh; Sandu, I G; Mohd Mustafa Al Bakri, Abdullah; Sandu, I (IOP Publishing Ltd, 2017-06)
      In this digital-age era, solder plays important role in electronic packaging industries. As interconnects material, solder provide an electrical and mechanical support to the electronics devices. Solder usually consist of ...

    • Synthesis and characterization of TiO₂/SiO₂ thin film via SolGel method 

      Dewi Suriyani, Che Halin; Mohd Mustafa Al Bakri, Abdullah; Norsuria, Mahmed; S N A, Abdul Malek; Vizureanu, P; ‪Ayu Wazira, Azhari (IOP Publishing Ltd, 2017-06)
      TiO₂/SiO₂ thin films were prepared by sol-gel spin coating method. Structural, surface morphology and optical properties were investigated for different annealing temperatures at 300°C, 400°C and 500°C. X-ray diffraction ...

    • Performance and characterization of geopolymer concrete reinforced with short steel fiber 

      Mohd Mustafa Al Bakri, Abdullah; Meor Ahmad Faris, Meor Ahmad Tajudin; Muhammad Faheem, Mohd Tahir; Aeslina, Abdul Kadir; Sandu, Andrei Victor; N A A, Mat Isa; Corbu, O (IOP Publishing Ltd, 2017-06)
      In the recent years, geopolymer concrete are reporting as the greener construction technology compared to conventional concrete that made up of ordinary Portland cement. Geopolymer concrete is an innovative construction ...

    • Fabrication of porous ceramic-geopolymer based material to improve water absorption and retention in construction materials: a review 

      Noorina Hidayu, Jamil; ‪Wan Mohd Arif, W Ibrahim; Mohd Mustafa Al Bakri, Abdullah; Sandu, Andrei Victor; Muhammad Faheem, Mohd Tahir (IOP Publishing Ltd, 2017-06)
      Porous ceramic nowadays has been investigated for a variety of its application such as filters, lightweight structural component and others due to their specific properties such as high surface area, stability and permeability. ...

    • Study on fired clay bricks by replacing clay with palm oil waste: effects on physical and mechanical properties 

      Aeslina, Abdul Kadir; Noor Amira, Sarani; Mohd Mustafa Al Bakri, Abdullah; Perju, M C; Sandu, Andrei Victor (IOP Publishing Ltd, 2017-06)
      Palm oil is one of the major agricultural industries in Malaysia. Due to the poor management system, the discarded palm oil waste has always been linked to the environment issues. During processing of palm oil, a considerable ...

    • Surface characterization of new biomaterials 

      Minciuna, M G; Vizureanu, P; Mohd Mustafa Al Bakri, Abdullah; Achitei, D C; Istrate, B; Cimpoesu, R; Focsaneanu, S C (IOP Publishing Ltd, 2017-06)
      This paper presents the characterization of new alloys CoCrMoSi6, CoCrMoSi7, CoCrMoSi10, in terms of hardness determinations, fractographic analysis and surface analysis. The original version of the alloy was obtained by ...

    • Thermal resistance variations of fly ash geopolymers: foaming responses 

      Heah, Cheng-Yong; Liew, Yun-Ming; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin (Springer Nature Limited, 2017-03)
      This paper presents a comparative study of the characteristic of unfoamed and foamed geopolymers after exposure to elevated temperatures (200–800 °C). Unfoamed geopolymers were produced with Class F fly ash and sodium ...