Browsing Mohd Mustafa Al Bakri Abdullah, Prof. Dr. by Author "Center of Excellence Geopolymer and Green Technology (CEGeoGTech), School of Materials Engineering, Universiti Malaysia Perlis (UniMAP)"

Now showing items 41-60 of 63

    • Microstructural analysis of fly ash-based geopolymers with various alkali concentration 

      Hui-Teng, Ng; Cheng-Yong, Heah; Yun-Ming, Liew; Mohd Mustafa Al Bakri, Abdullah; Yong-Sing, Ng (IOP Publishing Ltd, 2019-08)
      In the present work, a comparative study on the effect of different concentration of sodium hydroxide (NaOH) on fly ash-based geopolymer was investigated. The geopolymer synthesis by mixing fly ash with alkali activator ...

    • 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 ...

    • 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". ...

    • Optimizing of the cementitious composite matrix by addition of steel wool fibers (chopped) based on physical and mechanical analysis 

      Akrm A Rmdan, Amer; Mohd Mustafa Al Bakri, Abdullah; Liew, Yun-Ming; Ikmal Hakem, Aziz; Wysłocki, Jerzy J.; Muhammad Faheem, Mohd Tahir; Sochacki, Wojciech; Garus, Sebastian; Gondro, Joanna; Hetham A, . R. Amer (MDPI AG, 2021-02)
      The demand for durable, resistant, and high-strength structural material has led to the use of fibers as reinforcing elements. This paper presents an investigation into the inclusion of chopped steel wool fibers (CSWFs) ...

    • Paraffin as a phase change material in concrete for enhancing thermal energy storage 

      Rafiza, Abd Razak; Khang Zhe, Adeline Choo; Mohd Mustafa Al Bakri, Abdullah; Zarina, Yahya; Subaer, Junaidi; Khairunnisa, Muhamad; Nurul Aida, Mohd Mortar (IOP Publishing Ltd, 2020-02)
      Phase change material (PCM) for thermal energy storage (TES) is the material that can absorb energy during heating process as phase change takes place and release energy to environment during cooling process. Nowadays, ...

    • 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 ...

    • Performance of geopolymer concrete when exposed to marine environment 

      Fakhryna Hannanee, Ahmad Zaidi; Romisuhani, Ahmad; Mohd Mustafa Al Bakri, Abdullah; Muhammad Faheem, Mohd Tahir; Zarina, Yahya; Wan Mastura, Wan Ibrahim; Ahmad Syauqi, Sauffi (IOP Publishing Ltd, 2019-07)
      Over the decades, concrete is widely known as the most resourceful construction material as it is suitable for many building applications. However, despite its ability to last hundreds of years in many applications, it has ...

    • 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 ...

    • Porous metakaolin geopolymers with tailored thermal conductivity 

      Nur Ain, Jaya; Liew, Yun-Ming; Mohd Mustafa Al Bakri, Abdullah; ChengYong, Heah (IOP Publishing Ltd, 2019-08)
      In this work, a novel lightweight metakaolin geopolymers were produced by using hydrogen peroxide as foaming agent. The influence of the hydrogen peroxide incorporation content (0.25 – 1.25%) on density, compressive strength ...

    • 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 ...

    • 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. ...

    • Properties of a New Insulation Material Glass Bubble in Geopolymer Concrete 

      Noor Fifinatasha, Shahedan; Mohd Mustafa Al Bakri, Abdullah; Norsuria, Mahmed; Kusbiantoro, Andri; Tammas-Williams, Sam; Li, Long-Yuan; Ikmal Hakem, Aziz; Vizureanu, Petrica; Wysłocki, Jerzy J.; Bloch, Katarzyna; Nabiałek, Marcin (MDPI AG, 2021-02)
      This paper details analytical research results into a novel geopolymer concrete embedded with glass bubble as its thermal insulating material, fly ash as its precursor material, and a combination of sodium hydroxide (NaOH) ...

    • 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. ...

    • Seawater exposure effect on fly ash based geopolymer concrete with inclusion of steel fiber 

      Zarina, Yahya; Mohd Mustafa Al Bakri, Abdullah; Yee Jing, Leow; Long-Yuan, Li; Rafiza, Abd Razak (IOP Publishing Ltd, 2020-02)
      Concrete is widely used in construction offshore such as concrete floating bridges and sea tank. This research is providing an alternative construction material to replace ordinary Portland cement (OPC) concrete known as ...

    • 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 ...

    • 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 ...

    • Synthesis and characterization of fly ash based geopolymer ceramics: effect of NaOH concentration 

      Romisuhani, Ahmad; Wan Mastura, Wan Ibrahim; Mohd Mustafa Al Bakri, Abdullah; Sandu, Andrei Victor; Nurul Aida, Mohd Mortar; Noratikah, Hashim; Warid Wazien, Ahmad Zailani (IOP Publishing Ltd, 2020-02)
      Ceramic materials have demonstrated impressive performance under severe conditions in a wide number of areas including health, energy and environment, transportation and electronic applications. In order to meet the growing ...