Browsing Mohd Mustafa Al Bakri Abdullah, Prof. Dr. by Title

Now showing items 56-75 of 277

    • Easy Fix Concrete Block 

      Mohd Mustafa Al-Bakri, Abdullah; Lim Ngau, Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Norazian, Mohamed Noor (Malaysian Association of Research Scientists (MARS), 2007-03-29)
      Easy Fix Concrete Block is one of a new design of concrete block. This type of concrete block is Motarless Concrete Interlocking Blocks System. Concrete block inherent fire resistance, easy to use and attractive makes it ...

    • 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 ...

    • Effect of alkali concentration on mechanical properties of kaolin geopolymers 

      Heah, Cheng Yong; Kamarudin, Hussin, Brig. Gen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Mohammed, Husain; Luqman, Musa; Khairul Nizar, Ismail; Liew, Yun Ming (Foundation for Materials Science and Engineering, 2012)
      Alkali concentration is the most significant factor in geopolymerization process that must be taken into consideration during the synthesis of kaolin geopolymers. The kaolin geopolymers were prepared by mixing kaolin and ...

    • Effect of alkali concentration on mechanical properties of kaolin geopolymers 

      Heah, Cheng Yong; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Mohamed, Bnhussain, Prof. Dr.; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Liew, Yun Ming (Procema SA, 2012)
      Alkali concentration is the most significant factor in geopolymerization process that must be taken into consideration during the synthesis of kaolin geopolymers. The kaolin geopolymers were prepared by mixing kaolin and ...

    • Effect of aluminium powder on kaolin-based geopolymer characteristic and removal of Cu²⁺ 

      Nurliyana, Ariffin; Mohd Mustafa Al Bakri, Abdullah; Postawa, Przemysław; Shayfull Zamree, Abd Rahim; Mohd Remy Rozainy, Mohd Arif Zainol; Ramadhansyah, Putra Jaya; Sliwa, Agata; Mohd Firdaus, Omar (MDPI AG, 2021-02)
      This current work focuses on the synthesis of geopolymer-based adsorbent which uses kaolin as a source material, mixed with alkali solution consisting of 10 M NaOH and Na₂SiO₃ as well as aluminium powder as a foaming agent. ...

    • 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 ...

    • 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 ...

    • The effect of corrosive environment on geopolymer concrete tensile strength 

      Ridho, Bayuaji; Sigit, Darmawan; Nur, Ahmad Husin; Boedi, Wibowo; Srie Subekti; Mohd Mustafa Al Bakri, Abdullah; Totok Ruki, Biyanto (EDP Sciences, 2017-02)
      This study has the purpose to explore the potential of geopolymer concrete tensile strength in particular on the effects of corrosive environments. Geopolymer concrete, concrete technology used no OPC that has advantages, ...

    • Effect of Crumb Rubber on compressive strength of fly ash based Geopolymer concrete 

      Ahmad Azrem, Azmi; Mohd Mustafa Al Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali; Sandu, Andrei Victor; Kamarudin, Hussin (EDP Sciences, 2016)
      This study explores the effect of different percentage of crumb rubber on compressive strength of fly ash based geopolymer concrete. This research attempted to produce rubberized geopolymer concrete as an environmentally ...

    • Effect of curing regimes on metakaolin geopolymer pastes produced from geopolymer powder 

      Liew, Yun Ming; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Mohammed, Bnhussain; Luqman, Musa; Khairul Nizar, Ismail, Prof. Madya Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Cheng, Yong Heah (Scientific.Net/Trans Tech Publications, 2012-12)
      The properties of metakaolin geopolymer paste are affected by the alkali concentration, the initial raw materials, solidification process, and amount of mixing water as well as the curing conditions. This study aimed to ...

    • The effect of curing temperature on physical and chemical properties of geopolymers 

      Mohd Mustafa, Al Bakri Abdullah; Kamarudin, Hussin; Mohammed Amjad, Hussain; Khairul Nizar, Ismail; Zarina, Yahya; Rafiza, Abdul Razak (Elsevier BV, 2011)
      Fly ash-based geopolymers required heat to increase the geopolymerization process in order to obtain higher compressive strength. As such, geopolymer samples were prepared using different curing temperatures (room temperature, ...

    • The effect of curing time on the properties of fly ash-based geopolymer bricks 

      Wan Mastura, W. I.; Kamarudin, Hussin, Brig. Jen. Datuk Prof. Dr.; Khairul Nizar, Ismail, Prof. Madya Dr.; Mohd Mustafa Al Bakri, Abdullah; Mohammed, Bnhussain (Scientific.Net/Trans Tech Publications, 2012-12)
      This paper reports the results of an experimental work conducted to investigate the effect of curing conditions on the properties of fly ash-based geopolymer bricks prepared by using fly ash as base material and combination ...

    • The Effect of Different Ratio Bottom Ash and Fly Ash Geopolymer Brick on Mechanical Properties for Non-loading Application 

      Laila Mardiah, Deraman; Mohd Mustafa Al Bakri, Abdullah; Liew, Yun Ming; Kamarudin, Hussin; Wan Mastura, Wan Ibrahim; Andrei Victor, Sandu (EDP Sciences, 2017)
      This paper studies the finding of strength and water absorption of geopolymer bricks using bottom ash and fly ash as a geopolymer raw material for non-loading application with minimum strength. The study has been conducted ...

    • Effect of different ratio of geopolymer paste based fly ash-metakaolin on compressive strength and water absorption 

      Nor Shida Dalila, Mohd Azhar; Farah Farhana, Zainal; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2019-12)
      This paper presents the effect of different solid to solid (S/S) ratio by mixing the fly ash and metakaolin as geopolymer paste on the compressive strength and water absorption. Fly ash is a waste materials produced by ...

    • Effect of fly ash/alkaline activator ratio and sodium silicate/NaoH ratio on fly ash geopolymer coating strength 

      Liyana, Jamaludin; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Azura, Abdul Rashid Assoc. Prof. (Trans Tech Publications, 2013)
      Fly ash geopolymer coating material potential used to protect surface used in exposure conditions. Ratio of fly ash/alkaline activator and Na₂SiO₃/NaOH play important parameter on determining the best flexural strength of ...

    • The effect of gap between plastic leaded chip carrier (PLCC) using computational fluid dynamic (CFD) software, FLUENT™ 

      Mazlan, Mohamed; Anizah, Kalam, Dr.; Nik Rosli, Abdullah, Dr.; Loo, Huck Soo, Prof. Madya Ir. Dr.; Mohd Mustafa Al Bakri, Abdullah; M. S., Abdul Aziz; Khor, C. Y.; Mohammad Amizi, Ayob; Mohd Sukhairi, Mat Rasat (AENSI Publisher All rights reserved, 2013-10)
      This paper presents the effect of gap between Plastic Leaded Chip Carrier (PLCC) by using three dimensional numerical analysis of heat and fluid flow in computer. 3D model of microprocessors is built using GAMBIT and ...

    • Effect of Glass Reinforced Epoxy (GRE) pipe filled with Geopolymer Materials for Piping Application: Compression Properties 

      Mohammad Firdaus, Abu Hashim; Mohd Mustafa, Al Bakri Abdullah; Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin; Mohammed, Binhussain; Mohd Firdaus, Omar (EDP Sciences, 2016)
      The aim of this paper is to achieve the highest compressive strength of glass reinforced epoxy pipe with the geopolymer filler content of weight percentage that were used in glass reinforced epoxy pipe. The samples were ...

    • Effect of graphene oxide on microstructure and optical properties of TiO₂ thin film 

      Azliza, Azani; Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Mohd Fairul Sharin, Abdul Razak; Norsuria, Mahmed; Muhammad Mahyiddin, Ramli; Ayu Wazira, Azhari; Chobpattana, Varistha (IOP Publishing Ltd, 2019-12)
      GO/TiO₂ thin films have been synthesized from titanium (IV) isopropoxide (TTIP) by a sol-gel method. The films were deposited onto a glass substrate using spin coating deposition technique then were subjected to annealed ...

    • The Effect of High Temperature on Compression Strength of Geopolymer Paste 

      Ridho, Bayuaji; Sigit, Darmawan; Nur Ahmad, Husin; Boedi, Wibowo; Srie, Subekti; Januarti Jaya, Ekaputri; Mohd Mustafa Al Bakri, Abdullah; Totok, Ruki Biyanto (EDP Sciences, 2017-02)
      This research has a purpose to confirm the resistance of geopolymer concrete towards high temperature. This high temperature becomes the issues in material structure defense due to the danger of fire. Therefore, this ...

    • The effect of iron fillings waste contents on the attenuation level of anti-radiation shielding concrete 

      Ali Basheer, Azeez; Kahtan Sadiq, Muhammed, Dr.; Mohd Mustafa Al-Bakri, Abdullah; Azmi, Rahmat, Prof. (Trans Tech Publications, 2013)
      Shielding concretes of different iron filling contents were assessed for their anti radiation attenuation properties. The measurements have been performed by using gamma spectrometer of NaI (Tl) detector, the sources were ...