Now showing items 121-140 of 277

    • 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 ...
    • Properties of fresh palm oil fuel ash based geopolymer material 

      Moslih Amer, Salih; Abang Abdullah, Abang Ali, Ir. Prof.; Ramazan, Demirboga; Mohd Mustafa Al-Bakri, Abdullah (American-Eurasian Network for Scientific Information (AENSI), 2013-10)
      In this paper, palm oil fuel ash (POFA) was used as the soul material to produce geopolymer binder. Sodium silicate mixed with sodium hydroxide was used as alkaline activator to activate the palm oil fuel ash. Activator ...
    • A comparative study of solder properties of Sn-0.7Cu lead-free solder fabricated via the powder metallurgy and casting methods 

      Mohd Arif Anuar, Mohd Salleh; Mohd Mustafa Al Bakri, Abdullah; Sandu, Andrei Victor; Norainiza, Saud; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; McDonald, Stuart D.; Nogita, Kazuhiro (Syscom 18 SRL, 2013-07)
      The properties of Sn-0.7Cu solder bulk prepared via the powder metallurgy (PM) method were investigated and compared with solder bulk fabricated through casting. Distinct microstructures were observed in both PM and casting ...
    • Mechanical performances of fly ash geopolymer bricks 

      Wan Mastura, Wan Ibrahim; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Prof. Madya Dr.; Mohd Mustafa Al Bakri, Abdullah (American Scientific Publishers, 2013-01)
      Geopolymer is a new class of three-dimensionally networked amorphous to semi-crystalline alumino-silicate materials, and first developed by Professor Davidovits in 1978. Geopolymers can be synthesized by mixing alumino-silicate ...
    • Machining performance of reinforced alumina insert in end milling of AISI 1018 steel 

      Mohd Nor Hakim, Hassan; Mohammad Ikhwan Zaini, Ridzwan; Zainal Arifin, Ahmad, Prof.; Mohd Mustafa Al Bakri, Abdullah; Azman, Ahmad Bakir; Mazlan, Mohamed (Trans Tech Publications, 2013-09)
      The main goal of this work is to investigate the performance of zirconia toughened alumina (ZTA) and ZTA reinforced with magnesium oxide (MgO) used as cutting insert in end milling of AISI 1018 steel with hardness of 27 ...
    • Thermal properties of different recycled acrylonitrile-butadiene rubber glove (NBRr) size and its blend ratios on SBR/NBRr blends 

      Nik Noriman, Zulkepli, Dr.; Hanafi, Ismail; Mohd Arif Anuar, Mohd Salleh; Mohd Mustafa Al Bakri, Abdullah; Rosniza, Hamzah (Trans Tech Publications, 2013-09)
      The effects of SBR/NBRr blends on thermal properties of such thermal gravimetric analysis (TGA) and differential scanning calorimetry (DSC) were carried out. Results showed that by incorporating the smallest size NBRr ...
    • Malaysian Foxtail grass - A potential source of natural/agro fibre for polymer composite panel 

      Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Norazian, Mohamed Noor; Rafiza, Abdul Razak; Zarina, Yahya (Trans Tech Publications, 2013)
      Foxtail grass, also known as 'rumput bulu' by the local people, is one of the fast growing grasses abundantly available all over Malaysia. A full grown Foxtail grass attains a height of about 0.5 - 1.5 meters. The fibres ...
    • Study on radioactivity components, water quality and microstructure characteristic of volcano ash as geopolymer artificial aggregate 

      Rafiza, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Sandu, Ion; Djwantoro, Hardjito, Dr.; Zarina, Yahya (SYSCOM 18, 2013-06)
      The assessments of radioactivity, water qualitytesting and microstructure characteristic of volcano ash have been examined. The measurement of the 226Ra, 232Th, 40K, and 238U were carried out using radioactive concentration ...
    • Comparison of original and sintered LUSI mud from East Java, Indonesia as raw material for making a geopolymer 

      Rafiza, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Djwantoro, Hardjito, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr. (American Scientific Publishers, 2013-01)
      This paper presents the characterization of LUSI mud from East Java, Indonesia, as a potential raw material for making a geopolymer. Two types of LUSI mud were analyzed, i.e., original LUSI mud and LUSI mud that had been ...