School of Materials Engineering (Articles): Recent submissions

Now showing items 301-320 of 553

    • 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 ...

    • Alteration in the microstructure of fly ash geopolymer upon exposure to elevated temperatures 

      Omar A., Abdulkareem; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr. (Trans Tech Publications, 2013)
      This paper represents the mechanical and microstructure changes in geopolymeric material synthesized by the alkali activation of locally source fly ash at high temperatures of 400, 600 and 800 °C. The high compressive ...

    • 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 ...

    • The utilisation of activated carbon (AC) from palm shell waste to treat textile wastewater 

      Aeslina, Abdul Kadir, Dr.; Azi Zatika, Puade (AENSI Publisher All rights reserved., 2013-10)
      Heavy metals are widely used in textile industries and significant losses occur during the manufacturing and processing of textiles, and these lost heavy metals are eventually discharged in the effluent. Activated carbon ...

    • Study on Ferum (Fe) and Zinc (Zn) removal by using rice bran at Sungai Pelepah, Kota Tinggi, Johor 

      Aeslina, Abdul Kadir, Dr.; Alida, Abdullah; Lee, Kah Wai (AENSI Publisher All rights reserved., 2013-10)
      Water pollution due to heavy metals is currently occurring at Sungai Pelepah, Kota Tinggi. Adsorption method is one of the most low cost effective methods to overcome this pollution problem compared to the other available ...

    • Comparison of geopolymer fly ash and ordinary Portland cement to the strength of concrete 

      Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Rafiza, Abdul Razak; Zarina, Yahya (American Scientific Publishers, 2013-12)
      The aim of this study is to evaluate the effect of various fly ash: aggregate ratios by using fly ash (FA) based geopolymer compared to ordinary Portland cement (OPC) on the compressive strength of concrete. The different ...

    • Effect of sintering on the physical and mechanical properties of Co-Cr-Mo (F-75)/HAP composites 

      Nur Maizatul Shima, Adzali, Dr.; Shamsul Baharin, Jamaludin, Prof. Dr.; Mohd. Nazree, Derman, Dr. (Universiti Kebangsaan Malaysia, 2013-12)
      This paper reports on the effects of HAP addition and sintering temperature on the microstructure and properties of the F-75/HAP composites fabricated by powder metallurgy. Co-Cr-Mo (F-75) is used in orthopedics because ...

    • Mechanical and microstructural evaluations of lightweight aggregate geopolymer concrete before and after exposed to elevated temperatures 

      Omar A., Abdulkareem; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Mohamed, Bnhussain, Prof. Dr. (MDPI, Basel, Switzerland, 2013)
      This paper presents the mechanical and microstructural characteristics of a lightweight aggregate geopolymer concrete (LWAGC) synthesized by the alkali-activation of a fly ash source (FA) before and after being exposed to ...

    • Effects of silane coupling agent on mechanical properties and swelling behaviour of coconut fiber filled polypropylene composite 

      M. Sabri; F. Hafiz; K. Shahril; Siti Rohana, A.; Salmah, Husseinsyah, Dr. Ir. (Scientific.Net, 2012-12)
      Silane treatment used to improve mechanical properties and swelling behaviour of polypropylene/coconut fiber (PP/CF) composites by creating more adherent bonding between CF filler and PP Matrix. 3-Aminopropyltriethoxysilane ...

    • 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 ...

    • Thermal, electrical and physical properties of recycled copper filled epoxy composites 

      Mohamd Nur Fuadi, Pargi; Teh, Pei Leng, Dr.; Salmah, Husseinsyah, Prof. Madya Ir. Dr.; Yeoh, Cheow Keat, Dr. (Scientific.Net, 2012-12)
      The effect of recycled copper filled epoxy composites on thermal, electrical and physical properties were investigated. The recycled copper was collected as a waste from the milling machine. The recycled copper filled epoxy ...

    • The factors affecting the swelling of W–bronze composite system at different sintering conditions 

      Kahtan S, Muhammed, Dr.; Azmi, Rahmat, Prof. (Scientific.Net, 2012-12)
      During sintering of Wbronze metal matrix composites, the difference in the interdiffusuion path, sintering atmosphere and alloying element might be the source of the swelling phenomenon. In this study, the factors lead to ...

    • Microstructure evolution of Sn-3.5Ag-1.0Cu-0.5Ni/Cu system lead free solder under long term thermal aging 

      Noor Asikin, Ab Ghani; Iziana, Yahya; Mohd Arif Anuar, Mohd Salleh; Saidatulakmar, Shamsuddin; Zainal Arifin, Ahmad; Ramani, Mayappan (Scientific.Net, 2012-12)
      Due to environmental concerns, lead-free solders were introduced in replacing the lead-based solders in microelectronics devices technology. Although there are many lead-free solder available, the Sn-Ag-Cu solder was ...

    • The effect of stoichiometry to the phase formation of barium titanate 

      Meor A., Faris; Yeoh, Cheow Keat, Dr.; Teh, Pei Leng, Dr.; Nadia, Abdullah; Wan Mohd Arif, W. Ibrahim (Scientific.Net/Trans Tech Publications, 2012-12)
      This paper focus on the effect of different ratio between barium (Ba) and titanium (Ti) to the production of high purity of barium titanate (BT). On this research, the sample was prepared by solid-state reaction between ...

    • Effect of alkali concentration on mechanical 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.; Liew, Yun Ming (Procema SA, 2012)
      Alkali concentration is the most significant factor in geopolymerization process that must be taken into consideration during the synthesis of kaolin geopolymers. The kaolin geopolymers were prepared by mixing kaolin and ...

    • The flexural and impact properties of kenaf-polypropylene composites filled with montmorillonite filler 

      Tay, Guan Seng, Dr.; Azniwati, A. A.; Azizah, A. B.; Rozman, Hj. Din, Prof.; Luqman, Musa, Dr. (Taylor and Francis Group, LLC., 2012-01)
      Kenaf- Polypropylene composites filled with montmorillonite (MMT) filler were produced. The incorporation of MMT had improved the flexural and impact properties. Addition of compatibilizer, had improved the flexural and ...

    • Potential of marine clay as raw material in geopolymer composite 

      Mohammad Tamizi, Selimin; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Datuk Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Liyana, Jamaludin; Aeslina, Abdul Kadir, Dr. (Scientific.Net/Trans Tech Publications, 2012-12)
      In this research, marine clays has been studied its potential as a matrix composite materials that tend to be used as alternative materials to concrete. The study shows that marine clays which mixed with appropriate ...

    • Research development of solder materials and its intermetallic compound (IMC) study 

      Mohd Arif Anuar, Mohd Salleh; Najib Saedi, Ibrahim; Saud, N.; Mohd Mustafa Al Bakri, Abdullah; Nik Noriman, Zulkepli; Ramani, Mayapan; Zainal Ariffin, Ahmad (Scientific.Net/Trans Tech Publications, 2012-12)
      Nowadays, the formation and the subsequent growth of the intermetallic compounds (IMCs) and the development of new lead-free solder systems is a major issue in soldering. The excessive growth formation of intermetallic ...

    • Research advances of composite solder material fabricated via powder metallurgy route 

      Mohd Arif Anuar, Mohd Salleh; Muhammad Hafiz, Hazizi; Mohd Mustafa Al Bakri, Abdullah; Nik Noriman, Zulkepli; Ramani, Mayapan; Zainal Ariffin, Ahmad (Scientific.Net/Trans Tech Publications, 2012-12)
      Researches and studies on composite solder have been done by many researchers in an effort to develop viable lead-free solders which can replace the conventional lead-based solders as lead is considered as toxic. Solder ...

    • The effect of curing time on the properties of fly ash-based geopolymer bricks 

      Wan Mastura, W. I.; Kamarudin, Hussin, Brig. Jen. Datuk Prof. Dr.; Khairul Nizar, Ismail, Prof. Madya Dr.; Mohd Mustafa Al Bakri, Abdullah; Mohammed, Bnhussain (Scientific.Net/Trans Tech Publications, 2012-12)
      This paper reports the results of an experimental work conducted to investigate the effect of curing conditions on the properties of fly ash-based geopolymer bricks prepared by using fly ash as base material and combination ...