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Toplam kayıt 40, listelenen: 1-20
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Capacitor discharge joining of silicon carbide based ceramics
(Trans Tech Publications LTD, 2002)A capacitor-discharge joining technique has been successfully used to join oxide ceramics using thin metal foils. In this study, silicon carbide (SiC) ceramic joints and silicon carbide-titanium diboride (TiB2) composite ... -
Chemical durability behaviour of bulk glasses in the SrO-Mn2O3-Fe2O3-MgO-ZrO2-SiO2 (SMFMZS) system
(Trans Tech Publications LTD, 2002)It is known that the SrO-MgO-ZrO2-SiO2 (SMZS) system glasses with 40 weight % silica content seem to give a very high chemical endurance against highly alkaline solutions and can be recommended for the reinforcement of ... -
The design of compositions for multi-cation doped ?-ß SiAlON ceramics by the Rietveld method
(2003)Although densification of ?-ß-SiAlON ceramics is easier by using sintering additives, it is difficult to achieve the designed composition and therefore the mechanical properties after sintering. This is mainly due to the ... -
The design of compositions for multi-cation doped alpha-beta SiAlON ceramics by the Rietveld method
(Trans Tech Publications LTD, 2003)Although densification of alpha-beta-SiAlON ceramics is easier by using sintering additives, it is difficult to achieve the designed composition and therefore the mechanical properties after sintering. This is mainly due ... -
Design optimization of piezoelectric composite transducer using finite element method
(Trans Tech Publications LTD, 2002)The effect of size on the performance of the cymbal transducer was investigated by using experimental and computational methods. Cymbal transducers were fabricated with steel endcap materials and piezoelectric ceramic, ... -
The effect of copper oxide addition and the heat treatment temperature on the microstructure of zinc containing soft porcelain crystal glazes
(IOP Publishing LTD, 2001)In tableware industry, decorative appearance of final products is very important from the view point of attracting customers. Therefore, not only decoration patterns but also colouring is taken into account. In zinc ... -
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 ...
