Browsing Luqman Musa, Dr. by Title

Now showing items 1-20 of 27

    • Calcined kaolin geopolymeric powder: Influence of water- to geopolymeric powder ratio 

      Liew, Yun Ming; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Binhussain, M.; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; cheng, Yong Heah (Trans Tech Publications, 2012-07)
      This paper describes the synthesis of calcined kaolin geopolymeric powder from the alkaline activation of calcined kaolin followed by solidification and pulverizing process. The geopolymeric powder was used by just adding ...

    • Correlating composition design and properties of calcined kaolin geopolymeric powder 

      Liew, Yun Ming; 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; Heah, Cheng Yong (American Scientific Publishers, 2013-12)
      This paper discussed the relation between composition design and properties of calcined kaolin geopolymeric powder. Geopolymeric powder was produced by applying the geopolymerization process. The solids-to-liquid ratios ...

    • 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 ...

    • 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 ...

    • 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 ...

    • The effect of different sizes "Batu Reput" (Dolomite) as a filler in SMR L and ENR-50 

      J. N., M. Ridhwan; Nik Noriman, Zulkepli, Dr.; Mohd Arif Anuar, Mohd Salleh; Sam, Sung Ting, Dr.; Luqman, Musa, Dr.; Nik Zakaria, Nik Yahya (Trans Tech Publications, 2013)
      The effects of different sizes of "Batu Reput" (Dolomite) filler which are smaller size (<63μm) and bigger size (75-150μm) on tensile and morphological properties of "Batu Reput" (Dolomite) filled SMR L and epoxidized ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • Influence of oxide molar ratios on 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, 2013-12)
      Oxide molar ratios are the main key parameter determining the performance of a kaolin geopolymers. The kaolin composition and various mixture proportions will lead to different oxide molar ratios in geopolymer system. In ...

    • Influence of solidification process on 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, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali; Cheng, Yong Heah (Trans Tech Publications, 2012-02)
      This paper aims at investigating the influence of solidification condition on the processing of calcined kaolin geopolymeric powder. This is a new process developed using the geopolymerization process. Geopolymer slurry ...

    • Investigating the possibility of utilization of kaolin and the potential of metakaolin to produce green cement for construction purposes-A review 

      Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Liew, Y. M.; Mohd Mustafa Al Bakri, Abdullah; Luqman, Musa, Dr.; Khairul Nizar, I.; Heah, Cheng Yong (INSInet Publication, 2011-09)
      Geopolymers are inorganic alkali aluminosilicate gels, formed from reaction of mineral clays or aluminosilicate-bearing industrial wastes, and treated with alkali silicate solution at 40-80°C. Geopolymers have been studied ...

    • Kaolin-based geopolymers with various NaOH concentrations 

      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 (Springer Verlag, 2013-03)
      Kaolin geopolymers were produced by the alkali-activation of kaolin with an activator solution (a mixture of NaOH and sodium silicate solutions). The NaOH solution was prepared at a concentration of 6-14 mol/L and was mixed ...

    • Kenaf bast-unsaturated polyester composite: The effect of different alkaline treatment condition on tensile properties 

      Rozyanty, Abdul Rahman; Luqman, Musa, Dr.; Nur Firdaus, M. Y. (Trans Tech Publications, 2014)
      The biocomposites were prepared by using kenaf bast fiber mat as reinforcing materials at different percentage. The kenaf bast fiber was treated with alkaline at different sodium hydroxide (NaOH) percentage. Composites ...

    • Optimization of solids-to-liquid and alkali activator ratios 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, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali; Cheng, Yong Heah (Elsevier Ltd, 2012-12)
      This paper investigates the effect of S/L and alkali activator ratios on the synthesis of geopolymeric powder. Geopolymeric powder was synthesized by applying geopolymerization process. By adopting the concept of "just ...

    • Polycard: Moulded part from natural fibre by carding technique 

      Luqman, Musa, Dr.; Mohd Nazry, Salleh; Suhardy, Daud; Ahmad Azrem, Azmi; Muhammad Salehin, Zakaria (Universiti Teknologi MARA, Kedah, 2010-07-28)
      About 55 billion of coconuts are harvested annually in the world. Only 15% of the coir fibers are actually recovered for use. Most coir are abondoned in the nature, this is a waste of natural resources and a course of ...

    • Potential application of kaolin without calcine as greener concrete: A review 

      Cheng, Yong Heah; Hazlinda, Kamarudin; Mohd Mustafa Al-Bakri, Abdullah; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr; Liew, Y. M. (INSInet Publications, 2011-07)
      Kaolin is a white raw material that has an essential constituent which makes it ideal for industrial applications such as green concrete. Based on a historical review, it appears that green polymeric composites created by ...

    • Processing and characterization of calcined kaolin cement powder 

      Liew, Yun Ming; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali; Cheng, Yong Heah (Elsevier Ltd, 2012-05)
      Abstract This paper aimed at investigating the possibility of calcined kaolin to produce cement powder that could be an alternative to Portland cement by applying geopolymerization process. Cement paste was firstly made ...