Now showing items 1-20 of 72

    • Agregat Ringan Sebagai Bahan Binaan 

      Khairul Nizar, Ismail; Kamarudin, Hussin (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Alam Sekitar & Pusat Pengajian Kejuruteraan Bahan, 2008)
      Pengenalan : Penggunaan agregat ringan sebagai bahan binaan di negara ini masih belum digunakan secara meluas. Walau bagaimana pun pengingkatan penggunaan konkrit ringan di dalam industri pembinaan memangkin kepada penggunaan ...
    • Application of clay - based geopolymer in brick production: a review 

      Muhammad Faheem, Mohd Tahir; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin; Mohammed, Binhussain; Che Mohd Ruzaidi, Ghazali; Mohd Izzat, Ahmad (Trans Tech Publications/Scientific.Net, 2012-12)
      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 ...
    • ‘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 ...
    • 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 ...
    • 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 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 ...
    • 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 ...
    • Comparison of dynamic mechanical properties of non-superheated and superheated A357 alloys 

      Mazlee, Mohd. Noor; Shamsul Baharin, Jamaludin; Kamarudin, Hussin (Slovak Academy of Sciences, 2010-03-01)
      The influence of superheat treatment on the microstructure and dynamic mechanical properties of A357 alloys has been investigated. The study of microstructure was performed by optical microscope. Dynamic mechanical ...
    • Compressive strength and thermal conductivity of metakaolin geopolymers with anisotropic insulations 

      Nur Ain, Jaya; Yun-Ming, Liew; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin; Cheng Yong, Heah; Ridho, Bayuaji; Muhammad Faheem, Mohd Tahir (IOP Publishing Ltd, 2020-02)
      This research investigated the properties of thermally insulating geopolymer prepared using waste filler (fibreboard and rubber) to act as anisotropic pore/insulation. The geopolymer matrix was synthesised using metakaolin ...
    • Concrete aggregates from ceramic waste 

      Mohd Mustafa Al Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali; Norazian, N. M.; Kamarudin, Hussin (Universiti Malaysia Perlis (UniMAP)Pejabat Timbalan Naib Canselor (Penyelidikan dan Inovasi), 2008-12)
    • Concrete Ceramic Waste Slab (CCWS) 

      Mohd Mustafa, Al Bakri Abdullah; Kamarudin, Hussin; Che Mohd Ruzaidi, Ghazali; Shamsul Baharin, Jamaludin (Kolej Universiti Kejuruteraan Utara Malaysia, 2006)
      The main focus of this research is to study the strength of concrete with ceramic waste as coarse aggregate. The source of ceramic waste are obtained from industrial in Malaysia. Presently, in ceramics industries the ...
    • Corrosion studies of fly ash and fly ash-slag based geopolymer 

      Farah Farhana, Zainal; ‪Siti Farahnabilah, Muhd Amli; Kamarudin, Hussin; Azmi, Rahmat; Mohd Mustafa Al Bakri, Abdullah (IOP Publishing Ltd, 2017-06)
      This paper presents the results of corrosion studies between Fly Ash Geopolymer (FG) paste and Fly Ash-Slag Geopolymer (FSG) paste. Geopolymer was made from aluminosilicate inorganic polymers mixed with the alkaline activator ...
    • The development of artificial marble from Dolomite (Batu Reput) in Perlis 

      Kamarudin, Hussin; Shamsul Baharin, Jamaludin; Che Mohd Ruzaidi, Ghazali; Mohd Sobri, Idris; Mohd Nazry, Salleh; Khairul Nizar, Ismail (Kolej Universiti Kejuruteraan Utara Malaysia, 2006-06-15)
      Perlis is one of the major producers of “Batu Reput” in Malaysia and majority of the deposits contain of high-purity calcium and magnesium carbonate. The composition of Batu Reput is similar with the ordinary dolomite. ...
    • Durability of metakaolin geopolymers with various sodium silicate/sodium hydroxide ratios against seawater exposure 

      Nur Ain, Jaya; Mohd Mustafa Al Bakri, Abdullah; Li, Long-Yuan; Sandu, Andrei Victor; Kamarudin, Hussin; Ming, Liew Yun (AIP Publishing, 2017-09)
      This work presents an investigation of the performance of metakaolin geopolymers exposed to the continuous immersion of seawater. The geopolymers were prepared from metakaolin by activating with a mixture of sodium ...
    • Effect of alkali concentration on fly ash geopolymers 

      Siti Fatimah Azzahran, Abdullah; Liew, Yun-Ming; Mohd Mustafa Al Bakri, Abdullah; Heah, Cheng-Yong; Khairunnisa, Zulkifly; Kamarudin, Hussin (IOP Publishing Ltd, 2018-03)
      This paper presents the effect of NaOH concentration on fly ash geopolymers with compressive up to 56 MPa at 12M. The physical and mechanical on fly ash geopolymer are investigated. Test results show that the compressive ...
    • The effect of brief cognitive behavioural therapy group intervention on self esteem among drug users 

      Huzili, Hussin; Mohamad Hashim, Othman; Kamarudin, Hussin; N.S. Alias (EDP Sciences, 2018)
      Self-esteem is related to the individuals understanding and accepting the existing character and attitude to themselves. Failure to understand and accept their own strengths and weaknesses and in the same time do not have ...