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    Effect on strength and hardness of clay ceramic substrate after treatment using koalin based geopolymer glaze

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    Effect on strength and hardness of clay ceramic substrate after treatment using koalin based geopolymer glaze.pdf (135.4Kb)
    Date
    2014
    Author
    Mohd Mustafa Al Bakri, Abdullah
    Liyana, Jamaludin
    Muhammad Faheem, Mohd Tahir
    Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.
    Rafiza, Abdul Razak
    Zarina, Yahya
    Alida, Abdullah
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    Abstract
    Geopolymerization is an alternative for ceramic industry by using clay based material such as kaolin or calcined kaolin geopolymer. Geopolymer paste is initially produced by alkaline activation of calcined kaolin with NaOH and Na2SiO3 solution), dried at 80oC for 4 hours, pulverized and sieved to fixed particle size powder. The parameters involved in this processing route (alkali concentration, kaolin or calcined kaolin to activator ratio, alkali activator ratio and heating conditions) are investigated. Geopolymeric powder is added with water to produce slurry to be coated on the surface of clay ceramic. It undergoes heat treatment at high temperature to produce glaze on the surface. Flexural strength and hardness analysis are studied. Result evidences the processing show of incresing strength value between 8-10% after treatment with geopolymer glaze and also the Vickers hardness values of geopolymers improved.
    URI
    http://dspace.unimap.edu.my:80/dspace/handle/123456789/34425
    Collections
    • Liyana Jamaludin [15]
    • Zarina Yahya, Dr. [32]
    • Alida Abdullah, Ts. Dr. [25]
    • Muhammad Faheem Mohd Tahir, Mr. [22]
    • Mohd Mustafa Al Bakri Abdullah, Prof. Dr. [277]
    • Center of Excellence for Geopolymer and Green Technology (CEGEOGTECH) (Articles) [130]
    • School of Materials Engineering (Articles) [553]
    • Kamarudin Hussin, Brig. Jen. Datuk Prof. Dr. [252]
    • Rafiza Abd Razak, Dr. [43]

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