School of Materials Engineering (Articles): Recent submissions

Now showing items 321-340 of 553

    • Reviews on the properties of aggregates made with or without geopolymerisation method 

      Rafiza, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Prof. Madya Dr.; Djwantoro, Hardjito, Dr.; Zarina, Yahya (Scientific.Net/Trans Tech Publications, 2012-12)
      Aggregates are popular for use in concrete and lightweight concrete applications. Recent research shows that the by-product materials such as fly ash can be used as raw material in producing aggregates and lightweight ...

    • Effect of curing regimes on metakaolin geopolymer pastes produced from geopolymer powder 

      Liew, Yun Ming; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Mohammed, Bnhussain; Luqman, Musa; Khairul Nizar, Ismail, Prof. Madya Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Cheng, Yong Heah (Scientific.Net/Trans Tech Publications, 2012-12)
      The properties of metakaolin geopolymer paste are affected by the alkali concentration, the initial raw materials, solidification process, and amount of mixing water as well as the curing conditions. This study aimed to ...

    • Potential application of palm ash as a raw materials in production of green glass 

      Noorina Hidayu, Jamil; Mohd Mustafa Al Bakri, Abdullah; Faizul, Che Pa; Ruhiyuddin, Mohd Zaki; Murizam, Darus; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohamed Faisol, Mohamed Nor (Scientific.Net/Trans Tech Publications, 2012-12)
      Oil Palm Ash is one of the abundance agricultural wastes found in Malaysia. This wastes need to be disposed properly. Oil palm ash contains compounds needed to produce glass. Most of raw materials (especially silica) used ...

    • Microstructures study on cuprous oxide thin films deposited on different substrates by using sol-gel technique 

      Dewi Suriyani, Che Halin; Ibrahim, Abu Talib; Haiza, Haroon; Abdul Razak, Daud; Muhammad Azmi, Abd Hamid (Scientific.Net/Trans Tech Publications, 2012-12)
      Cuprous oxide (Cu₂O) thin films were formed onto three different substrates such as indium tin oxide (ITO) coated glass, titanium oxide (TiO₂) and n-Si substrates by sol-gel spin coating technique. It was found that the ...

    • Strength and microstructural properties of mechanically-activated kaolin geopolymers 

      Cheng, Yong Heah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Mohammed, Bnhussain; Luqman, Musa; Khairul Nizar, Ismail; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Liew, Yun Ming (Trans Tech Publications, 2012-12)
      Kaolin geopolymers exhibit low strength properties due to its plate-like nature which contribute to smaller surface area for geopolymerization reactions. Layered kaolin structure only allows very little, if any, substitution ...

    • FT-IR and morphology of different recycled acrylonitrile-butadiene rubber glove (NBRgr) size and its blend ratios of SBR/NBRr blends 

      Nik Noriman, Zulkepli, Dr.; Lokman Hakim, Ibrahim; Rosniza, Hamzah; Mohd Arif Anuar, Mohd Salleh; Hanafi, Ismail; Sam, Sung Ting (Trans Tech Publications, Switzerland, 2012-12)
      Recycling rubber waste contributes to a cleaner environment by using indestructible rubber discards as well as lowering production costs as reclaimed rubber is cheaper than virgin or natural rubber. Therefore, in this ...

    • Review of extraction of silica from agricultural wastes using acid leaching treatment 

      Faizul, Che Pa; Md Fazlul, Bari; Abdullah, C. (Trans Tech Publications, Switzerland, 2012-12)
      Large quantities of agricultural wastes such as palm ash and rice husk are found in Malaysia, have a large possibility to be employed as usefully renewable to produce energy and silica (SiO2). Extensive researches have ...

    • 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 ...

    • Effect of vinyl alcohol-phthalic anhydride on properties of low density polyethylene (LDPE)/tyre dust (TD) composites 

      Supri, Abdul Ghani, Prof. Madya Dr.; Hanafi, Ismail, Prof. (Taylor and Francis Group, LLC., 2012-04)
      The effect of vinyl alcohol-phthalic anhydride as a coupling agent on the tensile properties, morphology, and thermal degradation of low density polyethylene/tyre dust (LDPE/TD) composites was studied. LDPE/TD composites ...

    • Effect of pyrolysis on the wettability behaviour of polyethylene terephthalate on petroleum coke 

      Sharifah Shahnaz, Syed Abu Bakar, Dr.; Khanna, Rita, Assoc. Prof.; Sahajwalla, Veena, Scientia Prof.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Nik Noriman, Zulkepli; Sam, Sung Ting (Scientific.Net, 2012-12)
      In depth investigations has been carried out on thermoplastic polymers, polyethylene terephthalate (PET). The interaction between PET and PC substrate was studied to investigate the effect of oxygen-containing polymer on ...

    • The effects of tensile and morphological properties of Styrene Butadiene Rubber/Recycled Chloroprene Rubber (SBR/CRr) blends 

      Ahmad Azrem, Azmi; Nik Noriman, Zulkepli; Mohd Arif Anuar, Mohd Salleh; Razif, M.N. (Scientific.Net, 2012-12)
      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 ...

    • Wettability and interfacial phenomena investigations on high-density polyethylene and petroleum coke 

      Sharifah Shahnaz, Syed Abu Bakar, Dr.; Khanna, Rita, Assoc. Prof.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Sahajwalla, Veena, Scientia Prof. (Wiley Periodicals, Inc., 2012-08)
      An in-depth wettability and interfacial phenomena investigation was carried out to study interactions between high density polyethylene (HDPE) and petroleum coke. The aim is to investigate the effect of temperature and ...

    • Melt rheological behavior and thermal properties of low-density polyethylene/palm kernel shell composites: Effect of polyethylene acrylic acid 

      Salmah, Husseinsyah, Prof. Madya Ir. Dr.; Lim., B. Y.; Teh, Pei Leng, Dr. (Taylor & Francis Group, LLC, 2012-12)
      The melt flow behavior and thermal properties of low-density polyethylene (LDPE)/palm kernel shell (PKS) composites were studied. Polyethylene acrylic acid (PEAA) was used as a compatibilizer in the composites. The results ...

    • Properties of chitosan-filled polypropylene (PP) composites: The effect of acetic acid 

      Salmah, Husseinsyah, Prof. Madya Ir. Dr.; Faisal Amri; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Taylor and Francis Group, LLC, 2012-01)
      The main objective of this research was to investigate the effect of chitosan content and chemical modification with acetic acid on mechanical and thermal properties of PP/Chitosan. It was found that the tensile strength, ...

    • Microstructural characterization of ZrO2 layer coating on martensitic stainless steel 

      Siti Hawa, Mohd Salleh; Mohd. Zaidi, Omar, Prof. Madya Dr.; Mohd Nazree, Derman, Dr.; Salmie Suhana, Che Abdullah (Trans Tech Publications, 2012)
      High carbon steel stainless steel such as 440C martensitic stainless steel, are commonly used for automotive components, such as ball bearings, races, gage blocks and valve. In this study, 440C steel was coated with ZrO2 ...

    • Synthesis and characterization of MWCNT/CaCO3 hybrid compound 

      Siti Shuhadah, Mohd Saleh; Hazizan, Md Akil, Assoc. Prof. Dr.; Muhammad Helmi, Abdul Kudus (Trans Tech Publications, 2012)
      In this work, the chemical vapor deposition (CVD) technique was used to synthesis the multiwall carbon nanotubes/calcium carbonate (MWCNT/CaCO 3) hybrid compound. A gas mixture of CH4/N2 was used as the source of carbon ...

    • Emergence of half metallicity in Cr-doped GaP dilute magnetic semiconductor compound within solubility limit 

      Saini, Hardev S.; Singh, Mukhtiyar P.; Ali Hussain, Reshak, Prof. Dr.; Kashyap, Manish K. (Elsevier B.V., 2012-09)
      The electronic and magnetic properties of Ga 1- xCr xP dilute magnetic semiconductor (DMS) compound for dopant concentration, x = 0.25, 0.125, 0.06 and 0.03 have been investigated using WIEN2k implementation of full potential ...

    • Effect of cation substitution on electronic band structure of ZnGeAs 2 pnictides: A mBJLDA approach 

      Saini, Hardev S.; Singh, Mukhtiyar P.; Ali Hussain, Reshak, Prof. Dr.; Kashyap, Manish K. (Elsevier B.V., 2012-03)
      The electronic properties of ABAs 2 (A = Zn, Cd; B = Ge, Sn) compounds have been investigated using WIEN2k implementation of full potential linearized augmented plane wave (FPLAPW) method with an aim to study the effect ...

    • Mechanical properties and wear behavior of brake pads produced from palm slag 

      Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Shamsul Baharin, Jamaludin, Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Rafiza, Abdul Razak (Trans Tech Publications, 2012)
      Brake pads are important safety devices in vehicles. An effort to avoid the use of asbestos in brake pads has led to the development of asbestos-free brake pads that incorporate various organic and inorganic fillers. Palm ...

    • Theoretical investigation of the elastic, thermodynamic, electronic and magnetic properties of PrNi 2Si 2 and PrNi 2Ge 2 

      Righi, H.; Rached, Djamel; Benalia, S.; Rabah, Khenata, Prof. Dr.; S, Omran; Ali Hussain, Reshak, Prof. Dr. (Elsevier B.V., 2012-03)
      The structural, elastic, thermodynamic, electronic and magnetic properties of ferromagnetic tetragonal PrNi 2Si 2 and PrNi 2Ge 2 compounds have been calculated using the full-potential linear muffin-tin orbital (FP-LMTO) ...