Browsing School of Materials Engineering (Articles) by Title

Now showing items 497-516 of 560

    • 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 ...

    • Study on physical and chemical properties of fly ash from different area in Malaysia 

      Khairul Nizar, Ismail, Assoc. Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Rafiza, Abdul Razak; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Alida, Abdullah; Zarina, Yahya (Trans Tech Publications, 2013-12)
      Fly ash is residue from the combustion of coal which widely available in worldwide and lead to waste management proposal. Moreover, the use of fly ash is more environmental friendly and save cost compared to OPC. Fly ash ...

    • Study on properties and morphology of kaolin based geopolymer coating on clay substrates 

      Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Mustafa Al Bakri, Abdullah; Mohamed, Bnhussain, Prof. Dr.; Siti Salwa, M.S.; Alida, Abdullah; Muhammad Faheem, Mohd Tahir; Azlin, S.S. (Trans Tech Publications, 2013-12)
      The application of geopolymer as a coating was not widely explored by other researchers and therefore the study of kaolin based geopolymer coating applied on different types of clay substrate (unsintered and sintered) was ...

    • Study on radioactivity components, water quality and microstructure characteristic of volcano ash as geopolymer artificial aggregate 

      Rafiza, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Sandu, Ion; Djwantoro, Hardjito, Dr.; Zarina, Yahya (SYSCOM 18, 2013-06)
      The assessments of radioactivity, water qualitytesting and microstructure characteristic of volcano ash have been examined. The measurement of the 226Ra, 232Th, 40K, and 238U were carried out using radioactive concentration ...

    • Study on refractory materials application using geopolymer processing 

      Mohd Mustafa Al-Bakri, Abdullah; Liyana, Jamaludin; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Rafiza, Abdul Razak; Mohd Izzat, Ahmad (American Scientific Publishers, 2013-01)
      Geopolymer is cementitious binders that do not require the presence of ordinary Portland cement (OPC). Class F fly ash with geopolymer formulations prepared with an alkaline activator (mixture of Na2SiO3 and NaOH solutions) ...

    • A study on relationship between porosity and compressive strength for geopolymer paste 

      Farah Farhana, Zainal; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Azmi, Rahmat, Prof.; Mohd Mustafa Al-Bakri, Abdullah (Trans Tech Publications, 2013-12)
      This paper presents a study on the relationship between porosity and compressive strength for geopolymer paste. In this research, geopolymer paste was made from fly ash class F based geopolymer mixed with alkaline activator; ...

    • 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 ...

    • Study on the properties of oil palm trunk fiber (OPTF) in cement composite 

      Alida, Abdullah; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Arif Anuar, Mohd Salleh; Phang, Kam Sang; Muhammad Faheem, Mohd Tahir (Trans Tech Publications, 2013)
      Properties of oil palm trunk fiber reinforced cement composite were investigated in this study. Oil palm trunk fiber was used to improve the properties of cement composite. It was found that increasing in oil palm trunk ...

    • A study on the rheological properties of low-density polyethylene/palm kernel shell composites 

      Lim, B. Y.; Salmah, Husseinsyah, Prof. Madya Ir. Dr.; Teh, Pei Leng, Dr. (Trans Tech Publications, 2012-12)
      The rheological properties of the low density polyethylene (LDPE)/palm kernel shell (PKS) composites were studied by using a melt flow indexer. The silane treated and untreated composites were investigated. Both of the ...

    • A study on the synthesis of fly ash-based lightweight aggregate geopolymer concrete 

      Omar A., Abdulkareem; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr. (American Scientific Publishers All rights reserved., 2013-01)
      The experiments conducting for current investigation aimed to study the synthesis process for lightweight aggregate geopolymer concrete (LWAGC) and explore the significance and limitations of the activator content on the ...

    • Study the properties of dense Hydroxyapatite - Extract from cow bone 

      Sri Asliza, Md Amin; Mohd Zaheruddin, Kasmuin; Shahrizal, H.; Nurul Fazliana, Z. A (Malaysian Institute for Nuclear Technology Research, 2009)
      In this study, natural HA were extrated from clean cow bone by treatment with NaOH and heating at high temperature before ground into fine powder. The HA powder were than mixed together with binder for several hours. Dense ...

    • Sulfuric acid attack on ordinary Portland cement and geopolymer material 

      Mohd Izzat, Ahmad; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Sandu, Andrei Victor; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Muhammad Faheem, Mohd Tahir; Moga, Ligia Mihaela (Institute for Scientific Information (ISI), 2013-09)
      The resistance of ordinary Portland cement binder towards acid had been widely discussed by researchers. The deterioration effect of this binder may cost high repair expense and rehabilitation. Geopolymer material is a new ...

    • Surface modification via wet chemical etching of single-crystalline silicon for photovoltaic application 

      Ali Hussain, Reshak, Prof. Dr.; Mukhzeer, Mohamad Shahimin, Dr.; Safizan, Shaari; N., Johan (Elsevier Ltd., 2013-11)
      The potential of solar cells have not been fully tapped due to the lack of energy conversion efficiency. There are three important mechanisms in producing high efficiency cells to harvest solar energy; reduction of light ...

    • Surface morphology and corrosion behavior of electrolytic coatings in different aqueous solutions 

      Siti Hawa, Mohamed Salleh; Mohd Nazree, Derman, Dr.; Mohd Zaidi, Omar; Rohaya, Abdul Malek (Trans Tech Publications, 2014)
      ZrO₃/AI₂O₃, AI₂O₃/Y₂O₃, ZrO₂/Y₂O₃ coatings were applied on SS440C steel substrates via an electrolytic double layer coating process. The effect of these different ceramic aquecous solutions on the surface morphology and ...

    • Surfactant-free synthesis of copper particles for electrically conductive adhesive applications 

      Ho, Li Ngee; Nishikawa, Hiroshi (TMS, 2012-09)
      In this study, a simple one-step microwave-assisted method was developed to synthesize Cu and Cu-Ag particles for application in electrically conductive adhesive (ECA). The particle size of the obtained Cu particles was ...

    • Synthesis and characterization of electroless copper coated SiC particles 

      Azmi, Kamardin; Mohd Arif Anuar, Mohd Salleh; Mohd Nazree, Derman, Dr. (Trans Tech Publications, 2013)
      Silicon carbide reinforced copper matrix (Cu-SiCp) composites fabricated via the conventional powder metallurgy methods have inferior thermophysical properties due to the weak bonding between the copper matrix and the SiCp ...

    • Synthesis and characterization of iron produced from iron mill scale 

      Ruhiyuddin, Mohd Zaki; Murizam, Darus; Khairel Rafezi, Ahmad, Dr. (Trans Tech Publications, 2014-01)
      In this project, iron mill scale has been used to produce iron powder that can be used within the Powder Metallurgy process. To achieve this objective, the iron mill scale needs to be refined. This involve the work of ...

    • 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 ...

    • Synthesis and characterization of MWCNT/Dolomite hybrid compound as potential composite fillers 

      Siti Shuhadah, Mohd Saleh; Hazizan, Md Akil; Muhammad Helmi, Abdul Kudus (Scientific.Net, 2012-12)
      Multiwalled carbon nanotubes/dolomite (MWCNT/dolomite) hybrid compound was synthesized using the Chemical Vapour Deposition (CVD) technique. The catalyst was prepared via the co-precipitation method. The process involves ...

    • Synthesis and characterization of pure magnesium/bio-glass composite 

      Mohd Amin Farhan, Zaludin; Shamsul Baharin,  Jamaludin, Prof. Dr.; Nur Maizatul Shima, Adzali, Dr; Norhamidi, Muhammad, Prof. Dr (Trans Tech Publications, 2013)
      In this study, bio-glass 45S5 powder was added to pure magnesium powder to produce the magnesium/bio-glass composite by powder metallurgy method. The composite was synthesized based on 5 wt. %, 10 wt. % and 15 wt. % of ...