Now showing items 41-60 of 62

    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Fly ash porous material using geopolymerization process for high temperature exposure 

      Mohd Mustafa Al Bakri, Abdullah; Liyana, Jamaludin; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed, Bnhussain; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Izzat, Ahmad (MDPI AG (Basel, Switzerland), 2012-04)
      This paper presents the results of a study on the effect of temperature on geopolymers manufactured using pozzolanic materials (fly ash). In this paper, we report on our investigation of the performance of porous geopolymers ...
    • Optimization of alkaline activator / fly ash ratio on the compressive strength of manufacturing fly ash-based geopolymer 

      Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; O. A. K. A., Karem; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Rafizah, Abu Rashid; Norazian, Mohamed Noor (Trans Tech Publications, 2012)
      Fly ash and a mixture of alkaline activators namely sodium silicate (Waterglass) and sodium hydroxide (NaOH) solution were used for preparing geopolymer. The aim of this research is to determine the optimum value of the ...
    • Fabrication and mechanical properties of composite palm ash mixed with phenolic resins 

      Mohd Radzi, Ali; Shamsul Baharin, Jamaludin, Prof. Dr.; Nur Hidayah, Ahmad Zaidi; Che Mohd Ruzaidi, Ghazali, Prof. Madya (International Network for Scientific Information Publication (INSI), 2011-11)
      Brake pad is one of the important engineering components in automobile and it is fabricated by combination of various materials. Asbestos is one of the components in brake pad that is harmful to the human. In this ...
    • Kayan 1: a Particle Board from Rice Husk 

      Suhardy, Daud; Shamsul Baharin, Jamaludin, Prof. Dr.; Che Mohd Ruzaidi, Mohd Ghazali, Prof. Madya; Mohd Nazry, Salleh; Farizul Hafiz, Kassim; Saiful Azhar, Saad; Tengku Nadzlan, Tengku Ibrahim; Wan Su, Haron; Mohamed Zulkali, Mohamed Daud, Prof. Madya Dr. (Malaysian Invention and Design Society (MINDS), 2007-05-18)
      In this study, the particle board (kayan 1) was made from rice husk. The rice husk was blended with Urea-Formaldehyde (UF) as a binder and Ammonium Chloride (NH4C1) as a hardener before compaction using hot press.
    • Enviro Composite Pulley 

      Mazlee, Mohd. Noor; Shamsul Baharin, Jamaludin, Prof. Madya Dr.; Che Mohd. Ruzaidi, Ghazali; Chek Idrus, Omar (Kementerian Pengajian Tinggi Malaysia (KPTM), 2005-09-30)
      Aluminium has been recycled since the days it was first commercially produced and today recycled aluminium accounts for one-third of global aluminium consumption worldwide.
    • Husk Board: A Panel Board from Waste 

      Suhardy, Daud; Tengku Nadzlan, Tengku Ibrahim; Farizul Hafiz, Kasim; Mohd Nazry, Salleh; Mohabattul Zaman, NS Bukhari, Ir.; Shamsul Baharin, Jamaludin, Prof. Dr.; Che Mohd Ruzaidi, Mohd Ghazali, Prof. Madya; Mohammed Zulkali, Mohammed Daud, Prof. Madya Dr.; Saiful Azhar, Saad; Wan Su, Haron (Kementerian Pengajian Tinggi Malaysia (KPTM), 2007-08-10)
      The invention is about a husk board, manufactured from rice husk. Rice husk is about industrial waste. The rice husks were blended with binder and a hardener before compaction by using hot press.
    • Metal Implant 

      Shamsul Baharin, Jamaludin, Prof. Dr; Mazlee, Mohd Noor, Dr.; Che Mohd. Ruzaidi, Ghazali, Prof. Madya; Nurhidayah, Ahmad Zaidi (Malaysian Invention and Design Society (MINDS), 2006-05-19)
      This research product is cobalt-chromium metal implant produced by powder metallurgy technique.
    • Cobalt Implant Composite (CIC) 

      Shamsul Baharin, Jamaludin, Prof. Dr.; Che Mohd. Ruzaidi, Ghazali, Prof. Madya; Nurhidayah, Ahmad Zaidi; Mazlee, Mohd. Noor (Ministry of Higher Education (MOHE), 2005-09-30)
      Cobalt implant composite (CIC) was fabricated in KUKUM by powder metallurgy technique.
    • KUKUM Artificial Marble 

      Kamarudin, Hussin, Brig. Gen. Dato' Prof. Dr.; Shamsul Baharin, Jamaludin, Prof.; Che Mohd. Ruzaidi, Ghazali, Prof. Madya; Khairul Nizar, Ismail, Dr.; Mohd. Sobri, Idris; Mohd. Nazry, Salleh (Malaysian Invention and Design Society (MINDS), 2005-05-19)
      KUKUM Artifcial Marble based on polymer resin (thermoset or thermoplastic) and dolomite to create an artificial material that outperform and look like natural marble or tile physically, thermally and mechanically.
    • Comparison of dynamic mechanical properties of non-superheated and superheated A357 alloys 

      Mazlee, Mohd. Noor; Shamsul Baharin, Jamaludin; Kamarudin, Hussin (Slovak Academy of Sciences, 2010-03-01)
      The influence of superheat treatment on the microstructure and dynamic mechanical properties of A357 alloys has been investigated. The study of microstructure was performed by optical microscope. Dynamic mechanical ...
    • The fabrication of artificial marble from dolomite (Batu Reput) 

      Kamarudin, Hussin; Shamsul Baharin, Jamaludin; Che Mohd Ruzaidi, Ghazali; Mohd Sobri, Idris; Mohd Nazry, Salleh; Mohabattul Zaman, S NS Bukhari; Khairul Nizar, Ismail (The Mineral, Metals & Materials Society (TMS), 2006-01)
      Perlis is one of the major producers of "Batu Reput" in Malaysia and majority of the deposits contain of high-purity calcium and magnesium carbonate. The composition of Batu Reput is similar with the ordinary dolomite. ...
    • Hot corrosion behaviour of Austenitic Steel-308 in Chloride salts 

      Mohammed Misbahul, Amin; Che Mohd Ruzaidi, Ghazali; Neelofar, Amin (School of Materials Engineering, 2008)
      The intensification of process engineering in almost every branch of modern technology, and development of new technologies make increasingly higher requirements for metallic construction materials, especially for their ...
    • Comparative characterization of Clinker’s microstructure at different temperature zone during cement production 

      Mohd Sobri, Idris; Khairul Nizar, Ismail; Shamsul Baharin, Jamaludin; Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin (Science Publications, 2007)
      Temperature is an important parameter for transformation of minerals in clinker during cement productions. It influences the formation of alite from belite during calcinations and clinkering processes. The result of ...
    • ‘Batu Reput’ used as raw material in fertilizer production 

      Mohd Nazry, Salleh; Farizul Hafiz, Kasim; Khairul Nizar, Ismail; Che Mohd Ruzaidi, Ghazali; Kamarudin, Hussin; Saiful Azhar, Saad; Suhardy, Daud (Malaysian Institute for Nuclear Technology Research (MINT), Xapp Malaysia-MNS & Universiti Kebangsaan Malaysia (UKM), 2006-11-29)
      ‘Batu Reput’ is primary sediment mineral and abundantly found in Perlis. Perlis is one of the major producers of ‘Batu Reput’ in Malaysia that content large deposit of high-purity dolomite [CaMg (CO3)2]. Pure samples of ...