Browsing Center of Excellence for Geopolymer and Green Technology (CEGEOGTECH) (Articles) by Author "Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr."

Now showing items 21-30 of 30

    • NaAuS chicken-wire-like semiconductor: electronic structure and optical properties 

      Ali Hussain, Reshak, Prof. Dr.; Saleem Ayaz, Khan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Jiri Bila (Elsevier, 2014-01)
      The electronic structure, charge density and optical properties of NaAuS a chicken-wire-like semiconductor was calculated using full potential linear augmented plane wave based on density functional theory. The Ceperley-Alder ...

    • New processing method of kaolin-based geopolymer brick by using geopolymer brick machine 

      Muhammad Faheem, Mohd Tahir; Mohd Mustafa Al Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Izzat, Ahmad; Alida, Abdullah (Trans Tech Publications, 2014-01)
      With increased activity in construction, deficiency of building materials and construction waste improvements have encouraged the development of new building materials. Conventional construction bricks are usually made ...

    • Physicochemical properties of pyrolitic carbon black from waste tyres 

      Umi Fazara, Md. Ali, Dr.; Ishak, Jainoo; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Fahmi, Muhammad Ridwan, Dr. (Trans Tech Publications, 2014)
      Waste tyres which are mainly generated from automotive industries have become a major environmental problem to the local authorities, the tyre industries and tyre dealer. When tyres are no longer usable due to worn-out, ...

    • Review on the various ash from palm oil waste as geopolymer material 

      Zarina, Yahya; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Rafiza, Abdul Razak (Advanced Study Center Co. Ltd., 2013)
      The solid waste from palm oil mill industry has been increasing annually where it has been reported that the palm oil waste was produced 4 million tons/years in Malaysia only. Hence, the solution to overcome the problems ...

    • Structural, electronic and optical properties in earth-abundant photovoltaic absorber of Cu₂ZnSnS₄ and Cu₂ZnSnSe₄ from DFT calculations 

      Ali Hussain, Reshak, Prof. Dr.; Nouneh, K.; Kityk, I.V.; Jiri, Bila; Auluck, S.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Sekkat, Z. (ESG, 2014)
      DFT analyses of band structure dispersion and of contribution of different anionic sub-groups to the studied electronic structure together with the anisotropy of optical functions were performed for the two promising solar ...

    • A study of liberation and separation process of metals from printed circuit boards (PCBS) scraps 

      Aimi Noorliyana, Hashim; Mohd Zaheruddin, Kasmuin; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Trans Tech Publications, 2013-12)
      Since the metallic elements are covered with or encapsulated by various plastic or ceramic materials on printed circuit boards (PCBs), a pre-treatment process allowing their liberation and separation is first needed in ...

    • 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 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 ...

    • 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; ...

    • 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 ...