Now showing items 10-29 of 255

    • Band structure, density of states, and crystal chemistry of ZrGa₂ and ZrGa₃ single crystals 

      Ali Hussain, Reshak, Prof. Dr.; Lakshminarayana, Gandham; Ebothe, Jean; Fedorchuk, Anatolii O.; Fedyna, M.F.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mandracci, P.; Auluck, Sushil, Dr. (Elsevier, 2013-04)
      Using FP-LAPW Method we have performed calculations of the band structure of the ZrGa₂ and ZrGa₃ crystals. The all-electron full potential linearized augmented plane wave method was used to solve the Kohn Sham DFT equations. ...
    • ‘Batu Reput’ used as raw material in fertilizer production 

      Mohd Nazry, Salleh; Farizul Hafiz, Kasim; Khairul Nizar, Ismail; Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin; Saiful Azhar, Saad; Suhardy, Daud (Malaysian Institute for Nuclear Technology Research (MINT), Xapp Malaysia-MNS & Universiti Kebangsaan Malaysia (UKM), 2006-11-29)
      ‘Batu Reput’ is primary sediment mineral and abundantly found in Perlis. Perlis is one of the major producers of ‘Batu Reput’ in Malaysia that content large deposit of high-purity dolomite [CaMg (CO3)2]. Pure samples of ...
    • Bismuth in gallium arsenide: Structural and electronic properties of GaAs 1-xBi x alloys 

      Ali Hussain, Reshak, Prof. Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Auluck, Sushil, Dr. (Elsevier Inc., 2012-02)
      The structural and electronic properties of cubic GaAs 1-xBi x alloys with bismuth concentration 0.0, 0.25, 0.50, 0.75 and 1.0 are studied using the 'special quasi-random structures' (SQS) approach of Zunger along with the ...
    • Calcined kaolin geopolymeric powder: Influence of water- to geopolymeric powder ratio 

      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.; cheng, Yong Heah (Trans Tech Publications, 2012-07)
      This paper describes the synthesis of calcined kaolin geopolymeric powder from the alkaline activation of calcined kaolin followed by solidification and pulverizing process. The geopolymeric powder was used by just adding ...
    • Characterization of BET, XRF and weight loss on dolomite and calcined dolomite heated at different heating time 

      Mokhzani Khair, Ishak; Khairul Nizar, Ismail; Banjuraizah, Johar; Kamarudin, Hussin; Wan Mohd Sabki, Wan Omar (Universiti Sains Malaysia (USM)School of Materials & Mineral Resources Engineering (SMMRE), 2009-06-01)
      Dolomite consist carbonate of calcium and magnesium (CaC03 and MgCO^). It is formed [CaMg (CO^J from chemical action of sea-water containing high magnesium on limestone. The purpose of this study is to characterize dolomite ...
    • Characterization of limestone and dolomite using x-ray fluorescent (XRF) for cement processing 

      Mokhzani Khair, Ishak; Khairul Nizar, Ismail; Kamarudin, Hussin; Wan Mohd Sabki, Wan Omar; Banjuraizah, Johar; Mohd Nazry, Salleh; Umar, Kassim (Mineral Research Centre, 2009-11-09)
      Dolomite and limestone is considered under a sedimentary carbonated rocks. It contains almost same compound but major difference is on the amount of MgO and CaO which prove with XRF testing. MgO for dolomite shows 23% and ...
    • Characterization of LUSI mud volcano as geopolymer raw material 

      Mohd Mustafa Al Bakri, Abdullah; Rafiza, Abdul Razak; Djwantoro, Hardjito, Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr. (Trans Tech Publications, 2012)
      The mud of mud volcano samples were collected from an eruption site named 'LUSI' (Lumpur "mud" -Sidoarjo), East Java, Indonesia for characterization. Analysis showed that, the major constituents of mud are SiO 2 and Al 2O ...
    • Characterization of LUSI mud volcano as geopolymer raw material: A review 

      Rafiza, Abdul Razak; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Djwantoro, Hardjito, Dr. Ir.; Khairul Nizar, Ismail, Assoc. Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      This paper summarizes the current knowledge about the potential of LUSI mud volcano, East Java, Indonesia as a raw material in geopolymer. Previous experimental study shows that the LUSI mud has a good performance when 5% ...
    • Characterization of porous aluminum fabricated via sintering- dissolution process (SDP) 

      Shamsul Baharin,  Jamaludin, Prof. Dr.; Nik Mohd Fikry, Mohd Rushdi; Alida, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Trans Tech Publications, 2013)
      Porous metals that have open pores structure with low density and light weight properties are suitable to be used in many engineering applications. In this work, the porous aluminum was fabricated via sintering dissolution ...
    • Characterizations on the effect of processing of polymers blend with petroleum coke (part I) 

      Sharifah Shahnaz, Syed Abu Bakar, Dr; Rabah, Khenata, Prof. Dr.; Veena, Sahajwalla; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Nik Noriman, Zulkepli, Dr.; Sam, Sung Ting, Dr. (Trans Tech Publications, 2013)
      Global demand for plastics has grown significantly over the past decades, and will continue to expand with rising income levels in emerging economies; a number of approaches have been used to recycle polymer waste. While ...
    • Chemical & Mineralogical Properties of Fly Ash 

      Khairul Nizar, Ismail; Kamarudin, Hussin; Mohd Sobri, Idris (Malaysian Nuclear Society, 2007)
      Fly ash is the finely divided mineral residue resulting from the combustion of coal in electric generating plants. Fly ash consists of inorganic, incombustible matter present in the coal that has been fused during combustion ...
    • 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 ...
    • Chemical modification of chitosan-filled polypropylene (PP) composites: The effect of 3-aminopropyltriethoxysilane on mechanical and thermal properties 

      Salmah, Husseinsyah, Prof. Madya Dr. Ir.; Faisal, Amri; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Taylor & Francis Group, 2011-01)
      Chitosan was used as filler in polypropylene (PP) polymer. In order to improve compatibility between chitosan and PP, chitosan was chemically modified with 3-aminopropyltriethoxysilane (3-APE). The results show that the ...
    • 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 ...
    • 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 ...
    • Comparative characterization of Clinker’s microstructure at different temperature zone during cement production 

      Mohd Sobri, Idris; Khairul Nizar, Ismail; Shamsul Baharin, Jamaludin; Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin (Science Publications, 2007)
      Temperature is an important parameter for transformation of minerals in clinker during cement productions. It influences the formation of alite from belite during calcinations and clinkering processes. The result of ...
    • Comparative Characterization of Clinker’s Microstructure at Different Temperature Zone during Cement Production 

      Mohd Sobri, Idris; Khairul Nizar, Ismail; Shamsul Baharin, Jamaludin; Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin (Science Publications, 2007)
      Temperature is an important parameter for transformation of minerals in clinker during cement productions. It influences the formation of alite from belite during calcinations and clinkering processes. The result of ...
    • Comparative Study of Clinker’s Transformation at Different Temperature Zone During Cement Production 

      Mohd Sobri, Idris; Khairul Nizar, Ismail; Shamsul Baharin, Jamaludin; Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin (Science Publications, 2007)
      Chemical composition analysis using x-ray fluorescence is one of the important quality analysis for examining of cement and widely used in cement industries for a long time as a tool to estimate phase composition. X-ray ...
    • 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 ...
    • Comparative study on thermal, compressive, and wear properties of palm slag brake pad composite with other fillers 

      Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Shamsul, Baharin Jamaludin, Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah (Trans Tech Publications, 2011)
      The attractive performance-to-cost ratio associated with the incorporation of waste material in composite formulations used to produce brake pads has stimulated the idea of exploring the possible incorporation of additional ...