School of Materials Engineering (Articles): Recent submissions

Now showing items 381-400 of 553

    • Theoretical investigations of NiTiSn and CoVSn compounds 

      Mustapha, Hichour; Djamel, Rached; R., Khenata; M. Zouaoui, Rabah; M., Merabet; Ali Hussain, Reshak, Prof. Dr.; S., Omran; Rashid, Ahmed (Elsevier Ltd., 2012-08)
      The structural, elastic and electronic properties of NiTiSn and CoVSn half-Heusler compounds have been calculated using the full-potential linear muffin-tin orbital (FP-LMTO) method. The computed equilibrium lattice constants ...

    • Study on solids-to-liquid and alkaline activator ratios on kaolin-based geopolymers 

      Cheng, Yong Heah; Kamarudin, Hussin, Brig. Gen. Dato' Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Mohammed, Hussain; Luqman, Musa; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali; Liew, Yun Ming (Elsevier Ltd., 2012-10)
      Kaolin and alkali activator were mixed with the solids-to-liquid ratios in range of 0.60-1.20 (Al 2O 3/Na 2O molar ratio of 0.63-1.27). Sodium silicate and sodium hydroxide ranged between 0.16 and 0.36 (SiO 2/Na 2O molar ...

    • Effect of mechanical activation on kaolin-based geopolymers 

      Cheng, Yong Heah; Kamarudin, Hussin, Brig. Gen. Dato' Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Mohammed, Hussain; Luqman, Musa; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali; Liew, Y. M. (Trans Tech Publications, 2012)
      Raw materials kaolin was subjected to mechanical modification; the effect of the mechanical activation of kaolin on the compressive strength and morphological properties of the geopolymers has been studied. Mechanical ...

    • Curing Behavior on kaolin-based geopolymers 

      Cheng, Yong Heah; Kamarudin, Hussin, Brig. Gen. Dato' Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Mohammed, Hussain; Luqman, Musa; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Che Ghazali; Liew, Y. M. (Trans Tech Publications, Switzerland., 2012)
      This paper aims at investigating the influence of curing process on kaolin-based geopolymers. Kaolin-based geopolymers were prepared by the alkali-activation of kaolin with alkali activating solution (mixture of NaOH and ...

    • Cuprous oxide thin films for a photoelectrochemical cell of ITO/Cu 2O/PVC-LiClO 4/graphite 

      Dewi Suriyani, Che Halin; Ibrahim, Abu Talib, Prof. Dr.; Daud, Abd Razak; Muhammad Azmi, Abdul Hamid, Dr. (Trans Tech Publications Inc., 2012)
      Cuprous oxide (Cu 2O) thin films were formed onto indium tin oxide (ITO) coated glass substrate by sol-gel spin coating technique using different additives namely polyethylene glycol and ethylene glycol. It was found that ...

    • Properties of tyre dust-filled low density polyethylene composites: The effect of phthalic anhydride 

      Supri, Ghani, Prof. Madya; Yow, Zheng Feng; Hanafi, Ismail, Prof. (Taylor and Francis Group, LLC., 2012-02)
      The effect of phthalic anhydride as a new coupling agent on the properties of low density polyethylene/tyre dust (LDPE/TD) composites was studied. LDPE/TD composites with different tyre dust filler loading and the addition ...

    • Mechanical and thermal properties of compatibilized waste office white paper-filled low-density polyethylene composites 

      A., Faisal; Salmah, Husseinsyah, Dr. Ir. (SAGE Publications, 2012-03)
      The effect of maleic anhydride-g-polyethylene compatibilizing agent on mechanical and thermal properties of waste office white paper (WOWP)-filled low-density polyethylene (LDPE) composites was investigated. Results showed ...

    • Optical and photoconductivity spectra of novel Ag 2In 2SiS 6 and Ag 2In 2GeS 6 chalcogenide crystals 

      Chmiel, M.; Piasecki, M. M; Lakshminarayana, G.; Reshak, Ali Hussein, Prof. Dr.; Parasyuk, O. G. (Elsevier B.V., 2012-06)
      Complex spectral studies of near-band gap and photoconductive spectra for novel Ag 2In 2SiS 6 and Ag 2In 2GeS 6 single crystals are presented. The spectral dependences of photoconductivity clearly show an existence of ...

    • Characterization of Sn-3.5Ag-1.0Cu lead-free solder prepared via powder metallurgy method 

      Iziana, Yahya; Noor Asikin, Ab Ghani; Mohd Arif Anuar, Mohd Salleh; Hamidi, Abd Hamid; Zainal Arifin, Ahmad; Mayappan, Ramani (Scientific.Net, 2012-04-12)
      The toxicity in the Sn-Pb solder has promoted the development of Pb-free solder in the electronics industries. Among the Pb-solders, the Sn-3.5Ag-1.0Cu solder is considered a potential replacement and being studied by many ...

    • Recycling Agricultural Waste from Palm Shells during Electric Arc Furnace Steelmaking 

      Nur Farhana, M. Yunos; Magdalena, Zaharia; M. Asri, Idris; Nath, Dilip; Khanna, Rita; Sahajwalla, Veena (American Chemical Society, 2012-01-19)
      The present study is focused on developing novel recycling of palm shell wastes as a carbon resource in electric arc furnace (EAF) steelmaking. Metallurgical coke was replaced by palm shells, and interactions with EAF slag ...

    • A Study of FTIR, Thermal Properties and Natural Weathering Test on NBRVirgin/Recycled with SBR Blends 

      Nik Noriman, Zulkepli; Hanafi, Ismail (Taylor & Francis, 2012)
      The effects of styrene butadiene rubber/virgin acrylonitrile butadiene rubber (SBR/NBRv) blends and styrene butadiene rubber/recycled acrylonitrile butadiene rubber (SBR/NBRr) blends on properties such Fourier transform ...

    • The effect of chalcogen atom on the structural, elastic, and high-pressure properties of XY compounds (X=La, Ce, Eu, and Y=S, Se, and Te): An ab initio study 

      Charifi, Z.; Baaziz, H.; Saeed, Yasir; Ali Hussain, Reshak, Prof. Dr.; Soltani, F. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim., 2012-01)
      The B1 (NaCl) and B2 (CsCl) structure of rare-earth monochalcogenides XY (X=La, Ce, Eu, and Y=S, Se, and Te) were investigated with the full-potential linearized-augmented plane wave (FP-LAPW) scheme in the frame of the ...

    • Structural and electronic properties of GaN x As 1-x alloys 

      Baaziz, H.; Charifi, Z.; Ali Hussain, Reshak, Prof. Dr.; Hamad, Bothina A.; Yarub, Al-Douri (Springer-Verlag., 2012-03)
      The structural and electronic properties of cubic GaN x As 1-x with N-concentration varying between 0.0 and 1.0 with step of 0.25 were investigated using the full potential-linearized augmented plane wave (FP-LAPW) method. ...

    • Laser stimulated optical features of gold nanoparticles attached on ITO substrate. 

      Aziz, M.A.; Oyama, Munetaka; Ali Hussain, Reshak, Prof. Dr.; Gondek, Ewa; Armatys, Paweł; Shebl, Ahmed M.; Kityk, Ivan V.; Wojciechowski, Artur; Otowski, Wojciech (Elsevier B.V., 2012)
      We have performed complex studies of regular sized gold nanoparticles (AuNPs), which were commercially available and attached on the surfaces of indium tin oxide (ITO) substrates with a cross-linker molecule, 3-aminoprop ...

    • 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 ...

    • Influence of varying Germanium content on the optical function dispersion of Fe 2MnSi xGe 1-x: An ab initio study 

      Ali Hussain, Reshak, Prof. Dr.; Charifi, Zoulikha; Baaziz, Hakim (Elsevier B.V., 2013-01)
      The optical dielectric functions of Fe 2MnSi 1-xGe x alloys for selected concentrations (x=0.0, 0.25, 0.5, 0.75 and 1.0) were investigated. The ferromagnetic Fe 2MnSi xGe 1-x is semiconducting with optical band gaps 0.507, ...

    • Mechanical properties of Sn-0.7Cu/Si 3N 4 lead-free composite solder 

      Mohd Arif Anuar, Mohd Salleh; Mohd Mustafa Al-Bakri, Abdullah; Muhammad Hafiz, Zan Hazizi; Flora, Somidin; Noor Farhani, Mohd Alui; Zainal Arifin, Ahmad, Prof. (Elsevier B.V., 2012-10)
      The use of reinforcing high performance ceramic particulates in monolithic lead-free solder is one way to improve the service temperature and mechanical behavior of a solder joint. In this study, various compositions of ...

    • Study on milling periods on the iron mill scale particle size and properties 

      Ruhiyuddin, Mohd Zaki; Faizul, Che Pa; Murizam, Darus; A. R. M., Nazri (Trans Tech Publications, 2013)
      The relations between the milling periods with the iron mill scale particle size have been studied. Iron mill scale has been chosen for this research due to the nature of itself, as a by-product. From this research, the ...

    • Calculation of the lattice constant of hexagonal compounds with two dimensional search of equation of state and with semilocal functionals a new package (2D-optimize) 

      Ali Hussain, Reshak, Prof. Dr.; Morteza, Jamal (Elsevier B.V., 2013-04-05)
      A new package for calculating lattice constants and equation of state for hexagonal and tetragonal structure is released. We call it as 2D-optimize. The new package is compatible with the highly accurate all-electron ...

    • Mechanical, morphological and thermal properties of chitosan filled polypropylene composites: The effect of binary modifying agents 

      Faisal, Amri; Salmah, Husseinsyah, Prof. Madya Dr. Ir.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Elsevier B.V., 2013)
      This work investigates the effects of the binary modifying agents-organosolv lignin and acrylic acid, on the mechanical and thermal properties of chitosan-filled polypropylene (PP) composites. We analyse the mechanical and ...