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6 Result(s)

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  1. No Access

    Article

    Sol-gel processing of tellurite powder

    Tellurium ethoxide is highly sensitive to moisture in air and water. The hydrolysis and condensation of tellurium ethoxide exposed under different levers of water and moisture are investigated in this work and...

    L. Weng, S. N. B. Hodgson in Journal of Materials Science (2001)

  2. No Access

    Article

    Processing and characterisation of sol-gel glasses and powders in the system TeO2-TiO2

    Sol-gel processing routes have been developed for the production of thin films and powders in the system TeO2-TiO2 from tellurium and titanium alkoxides. The structure and properties of the resultant materials ha...

    S. N. B. Hodgson, L. Weng in Journal of Materials Science (2002)

  3. No Access

    Article

    Preparation of tricalcium phosphate/alumina composite nanoparticles and self-reinforcing composites by simultaneous precipitation

    The composite nanoparticles and corresponding self-reinforcing composites comprising tricalcium phosphate (TCP) and alumina (Al2O3) were synthesized by simultaneous precipitation from the CaCl2, AlCl3 and (NH4)2H...

    Y. X. Pang, X. Bao, L. Weng in Journal of Materials Science (2004)

  4. No Access

    Article

    Dissolution processes, hydrolysis and condensation reactions during geopolymer synthesis: Part II. High Si/Al ratio systems

    The mechanisms of speciation of aluminate and silicate phases during dissolution and condensation stages of alumino-silicate geopolymer reactions characterised by Si/Al ≥ 3, have been investigated and the resu...

    K. Sagoe-Crentsil, L. Weng in Journal of Materials Science (2007)

  5. No Access

    Article

    Dissolution processes, hydrolysis and condensation reactions during geopolymer synthesis: Part I—Low Si/Al ratio systems

    Initial geopolymeric reaction processes governing dissolution of solid aluminosilicate particles in alkali solutions have been investigated using conventional experimental techniques, and the data analysed by ...

    L. Weng, K. Sagoe-Crentsil in Journal of Materials Science (2007)

  6. No Access

    Article

    Fabrication and thermal shock resistance of HfB2-SiC composite with B4C additives

    A HfB2 based ceramic matrix composite containing 20 vol.% SiC particles with 2 vol.% B4C as sintering additives was fabricated by hot-pressed sintering. The microstructure and properties, especially the thermal s...

    L. Weng, W. Han, Ch. Hong in Materials Science-Poland (2011)