Başlık için Bildiri Koleksiyonu listeleme
Toplam kayıt 40, listelenen: 7-26
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The effect of different nucleation temperatures on the grain morphology of ?-SiAlON ceramics
(2003)Nitrogen rich yttrium-cerium containing multi-cation ?-SiAlON starting compositions were prepared by gas pressure sintering using conventional ?-Si3N4 powder. Microstructural characterization of the two stage sintered ... -
The effect of different nucleation temperatures on the grain morphology of alpha-SiAlON ceramics
(Trans Tech Publications LTD, 2003)Nitrogen rich yttrium-cerium containing multi-cation alpha-SiAlON starting compositions were prepared by gas pressure sintering using conventional alpha-Si3N4 powder. Microstructural characterization of the two stage ... -
Effect of starting Si3N4 powder type and sintering conditions on the grain morphology of ?-SiAlON ceramics
(2002)Nitrogen rich neodymium-ytterbium containing multi-cation ?-sialon starting compositions have been prepared by gas pressure sintering using "conventional" ?-Si3N4 or plasma produced ß-Si3N4 powder. The effect of ?-SiAlON ... -
Effect of the Chemical Composition on The Pyroplastic Deformation of Sanitaryware Porcelain Body
(IOP Publishing LTD, 2011)Pyroplastic deformation is the bending of a ceramic specimen caused by gravity during heat treatment. It can be defined as the loss of shape of product during its firing. Pyroplastic deformation is related to properties ... -
Effects of different Si3N4 starting powders and sintering conditions on the grain morphology and mechanical properties of ?-SiAlON ceramics
(2001)The preparation of ?-SiAlON microstructures by ß-Si3N4 starting powder or by applying nucleation step during sintering was studied. The application of sintering cycles on nucleation effect and the effect of different Si3N4 ... -
Effects of different Si3N4 starting powders and sintering conditions on the grain morphology and mechanical properties of alpha-SiAlON ceramics
(Trans Tech Publications LTD, 2002)Nitrogen rich yttrium-cerium containing multi-cation alpha -SiAlON starting compositions have been prepared by gas pressure sintering using "conventional" alpha -Si3N4 or alpha-beta Si3N4 containing powder. The effect of ... -
Flextensional composite transducers: Designing, fabrication and application
(Springer, 2000)The design, fabrication and application of flextensional composite transducers are summarized in this study. The moonie and cymbal type flextensional transducer consist of a ceramic driving element sandwiched between two ... -
Functional composites for sensors, actuators and transducers
(Elsevier Sci LTD, 1999)Following the trend in structural applications, composite structures are being used more commonly in transducer applications to improve acoustic, mechanical and electrical performance of piezoelectric devices. Functional ... -
Hard and tough alpha-SiAlON ceramics
(Trans Tech Publications LTD, 2000)Yb, Nd/Ca and Ce/Ca containing a-sialon starting compositions have been densified by either pressureless sintering or capsul free sinter/HIP'ing using "conventional" alpha-Si3N4 powder. X-ray diffraction studies of both ... -
Hydrothermal synthesis of lead titanate and lead zirconate titanate electroceramic particles
(Taylor & Francis LTD, 2003)Hydrothermal synthesis of two lead-based perovskite powder systems, lead titanate and lead zirconate titanate, was investigated. Phase-pure perovskite lead titanate and lead zirconate titanate with various morphologies ... -
Hydrothermal synthesis of tabular perovskite particles
(Trans Tech Publications LTD, 2002)Phase pure perovskite lead titanate and lead zirconate titanate powders were produced by hydrothermal synthesis. Reaction temperature and time are critical processing parameters for formation of phase-pure perovskite ... -
Improvement of elongated ?-SiAlON ceramics by variation of the processing conditions and amounts of additives
(2001)Two types of Y-?-SiAlON composition, with different amounts of additional liquid phase were densified in a gas pressure sintering furnace using three different sintering cycles. One series of samples was heated up to 1825°C ... -
Improvement of elongated alpha-SiAlON ceramics by variation of the processing conditions and amounts of additives
(Trans Tech Publications LTD, 2002)Two types of Y-alpha -SiAlON composition, with different amounts of additional liquid phase were densified in a gas pressure sintering furnace using three different sintering cycles. One series of samples was heated up to ... -
Interphase boundaries between hexagonal boron nitride and beta silicon nitride in silicon nitride silicon carbide particulate composites
(Elsevier Sci LTD, 1997)Interphase boundaries between hexagonal boron nitride and beta-Si3N4 in hot isostatically pressed Si3N4-SiC particulate composites, in which boron nitride appears as a trace contaminant, have been examined using high ... -
Mechanical properties of melt infiltrated boron carbide-aluminium composites
(Trans Tech Publications LTD, 2002)Boron carbide (B4C)-aluminium (Al) composites were produced by melt infiltration of 2024-T3 series Al alloys into porous B4C compacts in the temperature range of 985 degrees -1370 degreesC under an inert atmosphere (Ar). ... -
Microstructural characterisation of melt infiltrated boron carbide-aluminium composites
(IOP Publishing LTD, 2001)The microstructure of boron carbide (B4C) - aluminium (Al) composites produced by reactive infiltration were characterised using a scanning electron microscope (SEM) and a transmission electron microscope (TEM) both attached ... -
Microstructure of capacitor discharge joined SiAlON and silicon nitride ceramics
(IOP Publishing LTD, 2001)Silicon nitride based ceramics offer great potential for industrial applications. However, the joining of Si3N4 based materials is necessary in various applications and this can be difficult to achieve. A capacitor discharge ... -
New developments in alpha-SiAlON ceramics
(Elsevier Sci LTD, 1999)Two different alpha-sialon compositions have been densified by either pressureless sintering or capsul-free sinter HIPing using either single cation namely strontium, lanthanum, cerium, neodymium or their equimolar mixtures ... -
Novel developments in alpha-SiAlON ceramics
(Trans Tech Publications LTD, 2000)Densification and stabilization of alpha-sialon ceramics have been investigated by using oxides of large cations (Sr2+, La3+, Ce3+, Nd3+) and their equimolar mixtures with calcium or ytterbium as a principal cation. All ... -
Novel SiAlON ceramics for cutting tool applications
(Trans Tech Publications LTD, 2003)New alpha-beta SiAlON ceramics were produced in aqueous medium by Using Multiple oxides as densifying additives. The sintered materials were characterised using a combinations of techniques such as XRD, SEM and TEM. The ...