Now showing items 181-200 of 277

    • 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 ...
    • Compaction optimization of Sn-Cu-Si3N4via powder metallurgy route for composite solder fabrication 

      Muhamad Hafiz, Zan @ Hazizi; Mohd Arif Anuar, Mohd Salleh; Zainal Arifin, Ahmad, Prof.; Mohd Mustafa Al-Bakri, Abdullah; Alida, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Trans Tech Publications, 2013)
      The aim of this study was to optimize the compaction process of a composite solder fabricated via powder metallurgy route, before details study were conducted in the next stage. Powder of Sn, Cu and Si3N4 were carefully ...
    • Preparation of cyciopentyi trisiianoi siisesquioxanes - modified natural rubber (CpSSQ(OH)3 - ENR-50) composite hybrid in the presence of HCI acid 

      Rosniza, Hamzah; Mohamad, Abu Bakar, Prof.; Nik Noriman, Zulkepli, Dr.; Mohd Arif Anuar, Mohd Salleh; Mohd Mustafa Al-Bakri, Abdullah (Trans Tech Publications, 2013)
      A composite comprising cyclopentyl trisilanol siisesquioxanes (CpSSQ(OH)3) and 50% epoxidized natural rubber (ENR-50) was prepared at reflux temperature employed hydrochloric acid (HCl) as catalyst. HCl was found to be an ...
    • Reviews on the different sources materials to the geopolymer performance 

      S. N. Fifinatasha; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Zarina, Yahya; Rafiza, Abdul Razak; Liyana, Jamaludin (AENSI Publisher All rights reserved, 2013-10)
      Geopolymer is manufactured from the aluminosilicate source material in example fly ash, silica fume, kaolin, ground granulate blast slag (GGBS), boiler ash and volcano ash reactivated via alkaline solution. But the different ...
    • Corrosion performance of reinforcement bar in geopolymer concrete compare with its performance in ordinary portland cement concrete: A short review 

      Farah Farhana, Zainal; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Azmi, Rahmat, Prof.; Mohd Mustafa Al-Bakri, Abdullah; Norainiza, Saud (Trans Tech Publications, 2013)
      Since decades ago, corrosion is the crucial factors for million dollars loss in construction industry. Corrosion of reinforcement bar in ordinary Portland cement (OPC) concrete is mainly due to chloride and acid attack and ...
    • 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, 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 ...
    • Nano geopolymer for sustainable concrete using fly ash synthesized by high energy ball milling 

      Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Liyana, Jamaludin; Che Mohd Ruzaidi, Ghazali, Prof. Madya (Trans Tech Publications, 2013)
      This paper presents the development of a nano geopolymer for sustainable concrete using fly ash synthesized by high-energy ball milling. In this paper, we report on our investigation of the effects of grinding on the binder ...
    • Design, processing and characterization of fly ash-based geopolymers for lightweight concrete application 

      Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Sandu, Andrei Victor; Mohamed, Bnhussain, Prof. Dr.; Zarina, Yahya; Rafiza, Abdul Razak (Institute for Scientific Information (ISI), 2013-04)
      The mix design of geopolymers plays important role in obtaining desirable compressive strength. Optimum mix design of geopolymers can be applied for application, such as lightweight concrete. In order to determine the ...
    • 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 ...
    • Effects of cure characteristics, mechanical and morphological properties of styrene butadiene rubber/recycled chloroprene rubber (SBR/CRr) blends 

      Ahmad Azrem, Azmi; Nik Noriman, Zulkepli, Dr.; Muhammad Razif, Nordin; Mohd Mustafa Al Bakri, Abdullah; Sandu, Ion; Mohd Arif Anuar, Mohd Salleh; Hanafi, Ismail (Revista De Materiale Plastice, 2013-09)
      The effects of tensile and morphological properties of styrene butadiene rubber/virgin chloroprene rubber blends (SBR/CRv) and styrene butadiene rubber/recycled chloroprene rubber blends (SBR/CRr) were investigated. The ...
    • 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 ...
    • The effect of various waste materials' contents on the attenuation level of anti-radiation shielding concrete 

      Ali Basheer, Azeez; Kahtan Sadiq, Muhammed, Dr.; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Sandu, Andrei Victor; Rafiza, Abdul Razak (MDPI, Basel, Switzerland, 2013)
      Samples of concrete contain various waste materials, such as iron particulates, steel balls of used ball bearings and slags from steel industry were assessed for their anti-radiation attenuation coefficient properties. The ...
    • Effects of elevated temperatures on the thermal behavior and mechanical performance of fly ash geopolymer paste, mortar and lightweight concrete 

      Omar A., Abdulkareem; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Dr.; Saif, Ala’eddin A. (Elsevier, 2014-01)
      This paper reports a comparative study of the influence of elevated temperature on geopolymer paste, mortars and lightweight aggregate geopolymer concrete (LWAGC) systems made by using fly ash (FA) as only source material. ...
    • New processing method of kaolin-based geopolymer brick by using geopolymer brick machine 

      Muhammad Faheem, Mohd Tahir; Mohd Mustafa Al Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Izzat, Ahmad; Alida, Abdullah (Trans Tech Publications, 2014-01)
      With increased activity in construction, deficiency of building materials and construction waste improvements have encouraged the development of new building materials. Conventional construction bricks are usually made ...
    • Thermal expansion behavior of the electroless copper coated Cu-SiCp composites fabricated via the conventional powder metallurgical technique 

      Azmi, Kamardin; Mohd Nazree, Derman, Dr.; Mohd Mustafa Al-Bakri, Abdullah; Sandu, A.V. (Trans Tech Publications, 2014-01)
      The introduction of the metal matrix composites as the advanced electronic packaging materials is highly anticipated because their thermal properties can be engineered to match those of semiconductors, ceramics substrates ...
    • Study of concrete using modified polystyrene coarse aggregate 

      Mohd Mustafa Al-Bakri, Abdullah; Zarina, Yahya; Norazian, Mohamed Noor; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Rafiza, Abdul Razak (Trans Tech Publications, 2013)
      Polymer recycling has received a great deal of attention in recent years. At the present time, small percentages of polymer wastes in Malaysia are being recycled. The recycling process has typically consisted of reprocessing ...
    • Strength of concrete with ceramic waste and quarry dust as aggregates 

      Mohd Mustafa Al-Bakri, Abdullah; Norazian, Mohamed Noor; Mazlan, Mohamed; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Liyana, Jamaludin (Trans Tech Publications, 2013)
      This research focuses on a study of the strength of concrete with ceramic waste as coarse aggregate and quarry dust as fine aggregate. The sources of ceramic waste and quarry dust are obtained from the industrial in Malaysia. ...
    • Strength of concrete based cement using recycle ceramic waste as aggregate 

      Mohd Mustafa Al-Bakri, Abdullah; Norazian, Mohamed Noor; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Arif Anuar, Mohd Salleh; Adila, Abdullah (Trans Tech Publications, 2013)
      The main focus of this research is to study the strength of concrete with ceramic waste as coarse aggregate. The sources of ceramic waste are obtained from the industrial in Malaysia. Presently, in ceramics industries the ...
    • Mechanical properties of polymer composites with sugarcane bagasse filler 

      Mohd Mustafa Al-Bakri, Abdullah; Liyana, Jamaludin; Norazian, Mohamed Noor; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya (Trans Tech Publications, 2013)
      Natural fibers reinforced polymer composites have gained more interest because of their biodegradable, light weight, less expensive sources, easy processing, high specific modulus and also environmentally friendly appeal. ...
    • Study on refractory materials application using geopolymer processing 

      Mohd Mustafa Al-Bakri, Abdullah; Liyana, Jamaludin; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Rafiza, Abdul Razak; Mohd Izzat, Ahmad (American Scientific Publishers, 2013-01)
      Geopolymer is cementitious binders that do not require the presence of ordinary Portland cement (OPC). Class F fly ash with geopolymer formulations prepared with an alkaline activator (mixture of Na2SiO3 and NaOH solutions) ...