Now showing items 101-120 of 265

    • Morphology and properties of geopolymer coatings on glass fibre-reinforced epoxy (GRE) pipe 

      Noor Fifinatasha, Shahedan; Mohd Mustafa Al Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali; Mohammed, Binhussain; Al Husaini, Mohammed; Kamarudin, Hussin (EDP Sciences, 2016)
      Geopolymer coatings were coated on glass fibre-reinforced epoxy (GRE) pipe by using kaolin, white clay and silica sand as source materials and sodium hydroxide (NaOH) and sodium silicate (Na2SiO3) as alkaline solution. The ...
    • Bonding strength characteristics of FA-based geopolymer paste as a repair material when applied on OPC substrate 

      Warid Wazien, Ahmad Zailani; Bouaissi, Aissa; Mohd Mustafa Al Bakri, Abdullah; Rafiza, Abd Razak; Yoriya, Sorachon; Mohd Arif Anuar, Mohd Salleh; Mohd Remy Rozainy, M. A. Z.; Hamzah, Fansuri (MDPI AG, 2020-05)
      This investigative study aims to study the mechanical and morphological properties of fly ash (FA)-based geopolymer paste as a repair material when applied on ordinary Portland cement (OPC) overlay concrete. The first ...
    • Strength, density and water absoprtion of Palm oil boiler ash (POBA) geopolymer brick/IBS brick 

      Zarina, Yahya; Kamarudin, Hussin; Mohd Mustafa Al Bakri, Abdullah; Khairul Nizar, Ismail; Rafiza, Abd Razak (Trans Tech Publications Ltd., 2016-01)
      Geopolymer or alkali-activated binder is produced by synthesizing aluminosilicate source materials with an alkaline activator solution. This study has been conducted to produce palm oil boiler ash (POBA) geopolymer brick/IBS ...
    • Chemical reactions in the geopolymerisation process using fly ash-based geopolymer: A review 

      Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin; Mohammed Amjad, Hussain; Khairul Nizar, Ismail; Rafiza, Abdul Razak; Mohd Izzat, Ahmad (American-Eurasian Network for Scientific Information (AENSI Publisher), 2011-07)
      The development of our world, demanding the power supply which is produced by combustion of coal. Unfortunately, the million of tons of fly ash and related-products have been generated. To overcome these problems, fly ash ...
    • Sustainable use of cassava plant waste (branches) as raw material for bio-composite development: Particleboard properties due to plant maturity 

      Farhah, Rahimi; Mazlan, Mohamed; Mohd Mustafa Al Bakri, Abdullah; Noorhafiza, Muhammad; Rozyanty, Rahman; Mohd Nazri, Omar; Mohamad Bashree, Abu Bakar; Mohammad Khairul Azhar, Abdul Razab; Zairi Ismael, Rizman (Asian Research Publishing Network (ARPN), 2016-05-10)
      This research is to study the sustainable use of Cassava Manihot Esculenta Crantz waste from branches parted as a raw material for bio-composite development. Bio-composite is component phase that derived from biological ...
    • Potential of cassava root as a raw material for bio composite development 

      Nurul Husna, Baharuddin; Mazlan, Mohamed; Mohd Mustafa Al Bakri, Abdullah; Noorhafiza, Muhammad; Rozyanty, Rahman; Mohd Nazri, Omar; Mohd Hazim, Mohamad Amini; Mohammad Khairul Azhar, Abdul Razab; Zairi Ismael, Rizman (Asian Research Publishing Network (ARPN), 2016-05)
      In recent years, a lot of researches have done by domestic and foreign scholars to enhance and improve the development of man-made board production that based on natural fiber and agricultural residues. Due to a worldwide ...
    • Laser cutting of coronary stents: Progress and development in laser based stent cutting technology 

      Noorhafiza, Muhammad; Mohd Mustafa Al Bakri, Abdullah; Mohd Shuhidan, Saleh; Li, Lin (Trans Tech Publications Ltd., 2015)
      Laser cutting is one of the key fabrication technologies applied to coronary stent manufacture. This paper reviews the recent progress in laser-based stent manufacturing, including different type of lasers used, laser ...
    • The relationship of NaOH molarity, Na2SiO3/NaOH ratio, fly ash/alkaline activator ratio, and curing temperature to the strength of fly ash-based geopolymer 

      Mohd Mustafa, Al Bakri Abdullah; Kamarudin, Hussin; Mohammed Amjad, Hussin; Khairul Nizar, Ismail; Rafiza, Abdul Razak; Zarina, Yahya (Trans Tech Publications, 2011)
      Geopolymer, produced by the reaction of fly ash with an alkaline activator (mixture of Na2SiO3 and NaOH solutions), is an alternative to the use of ordinary Portland cement (OPC) in the construction industry. However, there ...
    • 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, ...
    • Chemical and physical characterization of boiler ash from palm oil industry waste for geopolymer composite 

      Zarina, Yahya; Mohd Mustafa, Al Bakri Abdullah; Kamarudin, Hussin; Khairul Nizar, Ismail; Andrei Victor, Sandu; Petricǎ, Vizureanu; Rafiza, Abdul Razak (Syscom 18 SRL/ SC BIBLIOTECA CHIMIEI SA, 2013-12)
      The characterizations of boiler ash waste from waste of palm oil industry were performed. The boiler ash was obtained from the boiler in the palm oil processing factory. The chemical and physical characterization has been ...
    • Effect of NaOH concentration on microstructure of boiler ash based geopolymer 

      Zarina, Yahya; Mohd Mustafa, Al Bakri Abdullah; Kamarudin, Hussin; Khairul Nizar, Ismail; Abdul Rahim, Abdul Razak (Trans Tech Publications Ltd., 2015)
      Boiler ash is one of the waste material from palm oil processing industry and it was widely available. The role of alkaline activator in geopolymer is important for its mechanical properties. NaOH and sodium silicate ...
    • Modelling of PM 10 concentration for industrialized area in Malaysia: A case study in Shah Alam 

      Norazian, Mohamed Noor; Mohd Mustafa, Al Bakri Abdullah; Tan, Cheng Yau; Nor Azam, Ramli; Ahmad Shukri, Yahaya; Noor Faizah Fitri, Md. Yusof (Elsevier BV, 2011)
      In Malaysia, the predominant air pollutants are suspended particulate matter (SPM) and nitrogen dioxide (NO 2). This research is on PM 10 as they may trigger harm to human health as well as environment. Six distributions, ...
    • Geopolymerization technology for soil stabilization application 

      Mohd Mustafa Al Bakri, Abdullah; Sharifah Zaliha, Syed Zuber; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohammed bin Hussain; Muhammad Faheem, Mohd Tahir; Fauziah, Ahmad; Norazian, Mohammed Nor; Noor Fifinatasha, Shahedan (Universiti Malaysia Perlis (UniMAP)Center of Excellent Geopolymer & Green Technology (CEGeoTech), 2014-05)
      • Treatment for soil stabilization • Easy and fast treatment process
    • Pelajar UniMAP raih Anugerah Best Of The Best Invention 

      Mohd Mustafa, Al Bakri Abdulah (Berita Harian, 2014-06-19)
    • Alkali activated blast-furnace slag cement: The opportunity to solve sustainable issues 

      Aimi Noorliyana, Hashim; Mohd Mustafa Al Bakri, Abdullah; Azira, M.N.; Noor Mariamadzliza, Mohd Nan; Kamrosni, Abdul Razak; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (American-Eurasian Network for Scientific Information, 2013)
      This paper aimed at investigating the possibility of alkali activated blast-furnace slag (BFS) to produce cement powder that could be alternative to ordinary Portland cement. It was found that an alkali activated BFS ...
    • Review on the various ash from palm oil waste as geopolymer material 

      Zarina, Yahya; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Rafiza, Abdul Razak (Advanced Study Center Co. Ltd., 2013)
      The solid waste from palm oil mill industry has been increasing annually where it has been reported that the palm oil waste was produced 4 million tons/years in Malaysia only. Hence, the solution to overcome the problems ...
    • Review of the characterization and processing of palm ash as a geopolymer composite 

      Zarina, Yahya; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr. (American Scientific Publishers, 2013-01)
      Malaysia is the world's largest producer and exporter of palm oil and it produces a million tons of palm oil waste annually. Palm ash is a by-product from the use of palm oil shells and palm oil bunches, which are used to ...
    • Effect of palm slag filler size on the mechanical and wear properties of brake pad composites 

      Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Shamsul Baharin, Jamaludin, Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Rafiza, Abdul Razak (American Scientific Publishers, 2013-01)
      Particle size of filler and other material that involved in brake pad composites are expected to be able to strongly influence the wear properties and performance. Palm slag as a filler in brake pad was investigated in ...
    • Fire-shield paint: A new technology approach 

      Mohd Mustafa Al Bakri, Abdullah, Dr. (Universiti Malaysia Perlis (UniMAP)Center of Excellence Geopolymer and Green Technology (CEGeoTech), 2014-05)
      During a fire hazard, fire directly contacts with the building structures, causing the heat transfer into the structures in very fast moments. This leads to the substantial deterioration of strength of support structures ...
    • Application of clay - based geopolymer in brick production: A review 

      Muhammad Faheem, Mohd Tahir; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Izzat, Ahmad (Trans Tech Publications Inc., 2013)
      This paper reviews and summarizes the current knowledge and application of clay as a geopolymer material in production of geopolymer brick. As we understand, the nature of source materials give a significant impact to the ...