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Effect of particle sizes of magnesium oxide on zirconia toughened alumina vickers hardness
(Universiti Malaysia Perlis, 2010-06-09)
Vickers hardness of zirconia toughened alumina added MgO with different composition and particle size has been studied. 5 different size of magnesium oxide particle at different composition (0.5 wt % to 0.9 wt %) were ...
Microstructure investigations of in-situ copper tungsten carbide composite by mechanical alloying
(Universiti Malaysia Perlis, 2010-06-09)
An in-situ composite of copper and tungsten carbide powder was prepared by mechanical alloying of elemental powder. The sample has been milled in a high-energy ball mill for 20 h at different milling speed i.e. 100, 200, ...
Synthesis of BZT for high frequency of antenna application
(Universiti Malaysia Perlis, 2010-06-09)
Nowadays, high dielectric materials are important materials in microwave electronic applications due to its properties that can provide high frequency range of an antenna. Barium Zinc Tantalate (BZT) is a complex perovskite ...
Effect of calcination temperatures on the Ba(Zn1/3Ta2/3)O3 phase formation
(Universiti Malaysia Perlis, 2010-06-09)
Nowadays, high dielectric materials are
important materials in microwave electronic
applications due to its properties that can
provide high frequency range of an antenna.
Barium Zinc Tantalate (BZT) is a complex
perovskite ...