Now showing items 96-115 of 255

    • The fabrication of artificial marble from dolomite (Batu Reput) 

      Kamarudin, Hussin; Shamsul Baharin, Jamaludin; Che Mohd Ruzaidi, Ghazali; Mohd Sobri, Idris; Mohd Nazry, Salleh; Mohabattul Zaman, S NS Bukhari; Khairul Nizar, Ismail (The Mineral, Metals & Materials Society (TMS), 2006-01)
      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. ...
    • Failure analysis and characterization of Ferrous-Base alloy exposed in seawater environment 

      Mohammed Misbahul Amin; Neelofar, Amin; Kamarudin, Hussin; Che Mohd Ruzaidi, Ghazali (Universiti Kebangsaan Malaysia (UKM), 2008-12-03)
      Ferrous-base alloy are well-suited and widely used for a broad range of engineering applications such as structural steelwork, pipelines, vessels in refineries, thermal power plant establishment, etc. not for their corrosion ...
    • Feasibility of producing wood fibre-reinforced geopolymer composites (WFRGC) 

      Mohd Mustafa Al Bakri, Abdullah; Mohd Izzat, Ahmad; Muhammad Faheem, Mohd Tahir; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Rafiza, Abdul Razak; Zarina, Yahya; Liyana, Jamaludin (Trans Tech Publications, 2013)
      Wood fibres have long been known as a fibre reinforcement for concrete. Due to its availability and low production cost, this natural fibre has been used in less developed country where conventional construction materials ...
    • Feasibility study on composition and mechanical properties of marine clay based geopolymer brick 

      Mohammad Tamizi, Selimin; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Liyana, Jamaludin; Aeslina, Abdul Kadir, Dr. (Trans Tech Publications, 2014)
      Geopolymer is an inorganic polymer performed in synthesis process of an aluminosilicate material which activated by alkaline activator solution. Marine clay, considered to be a waste substance which have an important ...
    • Fire resistance evaluation of lightweight geopolymer concrete system exposed to elevated temperatures of 100-800 °C 

      Omar A., Abdulkareem; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr. (Trans Tech Publications, 2014)
      This paper reports the fire resistance property of a lightweight aggregate geopolymer concrete (LWAGC) material synthesized by the alkali-activation of locally source fly ash (FA) after exposed to elevated temperatures ...
    • Fly ash geopolymer bricks- a review 

      Wan Mastura, W. I; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      Fly Ash geopolymer bricks is one of the alkali activated material. Bricks are the only man-made building materials that testify to their use since the early human civilization. Since fly ash is being accumulated as waste ...
    • Fly ash porous material using geopolymerization process for high temperature exposure 

      Mohd Mustafa Al Bakri, Abdullah; Liyana, Jamaludin; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Izzat, Ahmad (MDPI AG (Basel, Switzerland), 2012-04)
      This paper presents the results of a study on the effect of temperature on geopolymers manufactured using pozzolanic materials (fly ash). In this paper, we report on our investigation of the performance of porous geopolymers ...
    • Fly ash-based geopolymer lightweight concrete using foaming agent 

      Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain; Khairul Nizar, Ismail, Prof. Madya Dr.; Zarina, Yahya; Rafiza, Abdul Razak (MDPI, Basel, Switzerland., 2012-06)
      In this paper, we report the results of our investigation on the possibility of producing foam concrete by using a geopolymer system. Class C fly ash was mixed with an alkaline activator solution (a mixture of sodium ...
    • FSS microchannel fluid flow profile investigation at high and low Re number 

      Nor Shakirina, Nadzri; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Tan, Hsio Mei; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      The fundamental understanding of dynamic fluid flow behavior in different geometry channel is crucial due to transport phenomena influence on the key design and process control of the microfluidic systems. Recently, the ...
    • FTIR and XRD characterization of kaolin geopolymer based on solids-to-liquid and alkaline activator ratios 

      cheng, Yong Heah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Binhussain, M.; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Liew, Yun Ming (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      This paper covers the results of X-ray powder diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) in assessing the phase identification and functional group of kaolin geopolymer based on the different ...
    • General properties of 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, 2013-01)
      This paper reported the properties of kaolin geopolymers in term of the bulk density, compressive strength, qualitative observation and SEM analysis of the kaolin geopolymers. Kaolin geopolymers were synthesized through ...
    • Government mechanism in managing natural disasters in Malaysia: achievement factors 

      Azuddin Bahari; Zul Azhar, Zahid Jamal, Prof. Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Diponegoro University, 2007-09-11)
      Malaysia is considered safe from earthquakes. However, it experiences other types of natural disasters such as monsoon floods, landslides and severe haze. In Malaysia, the management of disaster is presently executed through ...
    • Grass-Plastic Composite Panel (GPC Panel) 

      Che Mohd Ruzaidi, Ghazali, Prof. Madya; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Shamsul Baharin, Jamaludin, Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Nurul Razliana, Abd Razak (Kementerian Pengajian Tinggi Malaysia (KPTM), 2007-08-10)
      Cut out grass is one of the abundant lignocelluloses nature waste in Malaysia. It can be easily transformed into fibrous form which can be used as an organic filler or fiber in the plastics composite. Grass-Plastic Composite ...
    • Heat dissipation analysis under natural convection condition on high power LED 

      Vairavan, Rajendaran; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      As the technology downscales with superior power and increased package density, the thermal effects of the high power LED are significant. Thus, the operating junction temperature of the high power light emitting diodes ...
    • High power LED heat dissipation analysis via copper diamond slug 

      Vairavan, Rajendaran; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      The emergence of high power light emitting diode as a novel electronic based light source is due to its vast advantage in terms of optical efficacy, low power consumption and enhanced life time. However, the performances ...
    • High Strength K-Brick: Rapid Set Brick 

      Mohd Mustafa, Al Bakri Abdullah; Mohammad Tamizi, Selimin; Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Kamarudin, Hussin, Prof. Dr.; Norazian, Mohamed Noor; Mohd Nasir, Ibrahim; Norzaidi, Zainol (School of Materials Engineering, 2008-01-09)
    • Hydrophobic silica nano-tube immobilized with Cyanex 272 for the extraction of metal ions 

      Md Fazlul, Bari; Noorzahan, Begum; Shamsul Baharin, Jamaludin, Prof. Dr.; Kamarudin, Hussin, Brig. Gen. Dato' Prof. Dr. (Universiti Malaysia Pahang, 2009-06-20)
      This paper reports on the synthesis and application of hydrophobic silica nano-tubes immobilized with Cyanex 272 (HBSNC) as a new, inexpensive and easily prepared solid-phase extractant for the extraction of Cu(II), ...
    • Influence of activator composition on the properties of calcined kaolin geopolymeric powder 

      Liew, Yun Ming; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Binhussain, M.; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Cheng Yong, Heah (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      This paper studied the influence of activator composition on the properties of calcined kaolin geopolymeric powder. The alkaline activation of calcined kaolin was performed in mixture of waterglass liquid and NaOH solution ...
    • The influence of curing periods on the compressive strength of fly ash-based geopolymer at different aging times 

      Omar A., Abdulkareem; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Prof. Madya Dr. (Trans Tech Publications, 2012)
      The results of the current experimental investigation indicate the significant effect of the heating periods on the compressive strength of fly ash-based geopolymers prepared at different alkaline liquid content at both ...
    • Influence of different exchange correlation potentials on band structure and optical constant calculations of ZrGa2 and ZrGe2 single crystals 

      Ali Hussain, Reshak, Prof.Dr.; Fedorchuk, Anatolii O.; Lakshminarayana, Gandham; Alahmed, Zeyad A.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Auluck, Sushil (Elsevier B.V., 2013-10)
      The all-electron full potential linearized augmented plane wave method was used to solve the Kohn Sham DFT equations. We have employed different approximations for the exchange correlation potentials, namely: LDA, GGA and ...