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

Now showing items 114-133 of 277

    • Image analysis of surface porosity mortar containing processed spent bleaching earth 

      Wei Chong, Beng; Rokiah, Othman; Ramadhansyah, Putra Jaya; Shu Ing, Doh; Li, Xiaofeng; Mohd Haziman, Wan Ibrahim; Mohd Mustafa Al Bakri, Abdullah; Sandu, Andrei Victor; Płoszaj, Bartosz; Szmidla, Janusz; Stachowiak, Tomasz (MDPI AG, 2021-03-28)
      Image analysis techniques are gaining popularity in the studies of civil engineering materials. However, the current established image analysis methods often require advanced machinery and strict image acquisition procedures ...

    • In Vitro bioactivity study of thermoplastic Starch/Bentonite/Hydroxyapatite composites for biomedical applications 

      Nurul Husna, Zakaria; Noorhafiza, Muhammad; Mohd Mustafa Al Bakri, Abdullah; S. N. F., M. Noor (IOP Publishing Ltd, 2020-02)
      Potato starch composites film incorporating hybrid bentonite and hydroxyapatite (HA) were investigated as novel biomaterial for potential biomedical applications. The selected potato starch/bentonite composites were prepared ...

    • The influence of cure characteristics and crosslink density of virgin acrylonitrile butadiene rubber/recycled acrylonitrile butadiene rubber (vNBR/rNBR) blends 

      Muhammad Ridhwan, Jamalul Nasir; Nik Noriman, Zulkepli, Dr.; Hanafi, Ismail, Prof.; Mohd Mustafa Al Bakri, Abdullah; Rosniza, Hamzah (Trans Tech Publications, 2014)
      Cure characteristics and crosslink density of virgin acrylonitrile butadiene rubber/recycled acrylonitrile butadiene rubber (vNBR/rNBR) blends were studied. Three different size ranges of rNBR particles, i.e., 150 - 350 ...

    • The influence of curing periods on the compressive strength of fly ash-based geopolymer at different aging times 

      Omar A., Abdulkareem; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Prof. Madya Dr. (Trans Tech Publications, 2012)
      The results of the current experimental investigation indicate the significant effect of the heating periods on the compressive strength of fly ash-based geopolymers prepared at different alkaline liquid content at both ...

    • Influence of dolomite on the mechanical properties of boiler ash geopolymer paste 

      Zarina, Yahya; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Rafiza, Abdul Razak (Trans Tech Publications, 2014)
      The waste material from palm oil industry has been increasing since Malaysia was the world largest exported of palm oil mill. The waste such as palm fibers, nut shells, palm kernel and empty fruit bunches are the solid ...

    • Influence of kaolin geopolymer ceramic additions to the wettability and electrical properties of Sn-3.0Ag-0.5Cu (SAC305) lead free solder 

      Nur Syahirah, Mohamad Zaim; Mohd Arif Anuar, Mohd Salleh; Mohd Mustafa Al Bakri, Abdullah; Marliza, Mostapha; Romisuhani, Ahmad (IOP Publishing Ltd, 2019-12)
      The effect of kaolin geopolymer ceramic addition to the wettability and electrical resistivity of Sn-3.0Ag-0.5Cu (SAC305) lead free solder was successfully explored. Powder metallurgy with microwave sintering method was ...

    • 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 ...

    • Influence of oxide molar ratios on 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.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Liew, Yun Ming (American Scientific Publishers, 2013-12)
      Oxide molar ratios are the main key parameter determining the performance of a kaolin geopolymers. The kaolin composition and various mixture proportions will lead to different oxide molar ratios in geopolymer system. In ...

    • 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, ...

    • Influence of solid-to-liquid ratio on properties of fly ash geopolymer ceramics 

      Romisuhani, Ahmad; Mohd Mustafa Al Bakri, Abdullah; Wan Mastura, Wan Ibrahim; Sandu, Andrei Victor; Warid Wazien, Ahmad Zailani; Sharun Nizam, Shahrun Nahar (IOP Publishing Ltd, 2019-08)
      Ceramics has come to be progressively very important in industry because of their exceptional mechanical and physical properties The motivation to develop fly ash geopolymer ceramics was to overcome the problem associated ...

    • Influence of solidification process on calcined kaolin geopolymeric powder 

      Liew, Yun Ming; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Binhussain, M.; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali; Cheng, Yong Heah (Trans Tech Publications, 2012-02)
      This paper aims at investigating the influence of solidification condition on the processing of calcined kaolin geopolymeric powder. This is a new process developed using the geopolymerization process. Geopolymer slurry ...

    • Influence of solids-to-liquid and activator ratios on calcined kaolin cement powder 

      Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Luqman, Musa, Dr.; Mohd Mustafa Al Bakri, Abdullah; Heah, Cheng Yong; Khairul Nizar, Ismail; Mohammed, Binhussain; Liew, YunMing (Elsevier BV, 2011)
      This paper summarizes the effect of activator ratio on the processing of cement powder. Geopolymer slurry was produced via alkaline activation of calcined kaolin. Once the geopolymer slurry solidified, it was crushed and ...

    • The influences of tor as a compatibilizer on cure characteristic and morphological properties of SBR/CRr blends 

      Ahmad Azrem, Azmi; Nik Noriman, Zulkepli, Dr.; Razif, Mohammad Nordin, Dr.; Sam, Sung Ting, Dr.; Mohd Mustafa Al-Bakri, Abdullah (AENSI Publisher All rights reserved, 2013-10)
      Cure characteristics and morphological studies were performed to determine the influences of TOR as a compatibilizer of styrene butadiene rubber/recycled chloroprene rubber (SBR/CRr) Blends. Both uncompatibilised and ...

    • Investigating the possibility of utilization of kaolin and the potential of metakaolin to produce green cement for construction purposes-A review 

      Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Liew, Y. M.; Mohd Mustafa Al Bakri, Abdullah; Luqman, Musa, Dr.; Khairul Nizar, I.; Heah, Cheng Yong (INSInet Publication, 2011-09)
      Geopolymers are inorganic alkali aluminosilicate gels, formed from reaction of mineral clays or aluminosilicate-bearing industrial wastes, and treated with alkali silicate solution at 40-80°C. Geopolymers have been studied ...

    • Investigation of heat released during geopolymerization with fly ash based geopolymer 

      Rosnita, Mohamed; Rafiza, Abd Razak; Mohd Mustafa Al Bakri, Abdullah; Raa Khimi, Shuib; Nurul Aida, Mohd Mortar; Warid Wazien, Ahmad Zailani (IOP Publishing Ltd, 2019-08)
      Geopolymerization consists of several chemical reactions that has been reported widely as an exothermic reaction. Previous studies on heat released during geopolymerization used metakaolin and fly ash of F class as 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. ...

    • Kajian keberkesanan promosi Universiti Malysia Perlis tahun 2007 

      Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Prof. Dato' Dr.; Julinawati, Suanda; Che Mohd. Ruzaidi, Prof Madya; Abdul Aziz, Mahmudin (Universiti Malaysia Perlis (UniMAP)Jabatan Hal Ehwal Pelajar & Alumni (JHEPA), 2008-08)

    • Kaolin Geopolymer as precursor to ceramic formation 

      Nur Ain, Jaya; Mohd Mustafa Al Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali; Mohammed, Hussain; Kamarudin, Hussin; Romisuhani, Ahmad (EDP Sciences, 2016)
      This paper introduced the potential application of kaolin geopolymer as ceramic precursor. This is one of the alternatives to produce high strength ceramic at a slightly lower temperature. Upon sintering the conversion of ...

    • Kaolin-based geopolymers with various NaOH concentrations 

      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.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Liew, Yun Ming (Springer Verlag, 2013-03)
      Kaolin geopolymers were produced by the alkali-activation of kaolin with an activator solution (a mixture of NaOH and sodium silicate solutions). The NaOH solution was prepared at a concentration of 6-14 mol/L and was mixed ...

    • Kejohanan Badminton Jemputan UniMAP 2009 

      Mohd Mustafa Al-Bakri, Abdullah (Universiti Malaysia Perlis, 2009-12)