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Characteristics of phase transitions in Ba0.995Na0.005Ti0.995Nb0.005O3 ceramic
Ceramics Phase transitions Ferroelectrics
2010/1/11
The purpose of this work was to prepare ceramic material BaTiO3 (BT) as well as solid solution of Ba1-xNaxTi1-xNbxO3 (for x = 0.005) (BNTN05) type and correlate their structural (polycrystalline) prop...
Structure and properties of ceramic preforms based on Al2O3 particles
Composites Ceramic preforms TGA analysis
2009/12/14
Purpose: The main goal of this project is to elaborate and optimize the method of manufacturing the porous, ceramic preforms based on Al2O3 particles used as the reinforcement in order to produce mode...
Thermal diffusivity of RE2Zr2O7 - type ceramic powders intended for TBCs deposited by APS
Metallic alloys Thin&thick coatings TBC
2009/12/3
Purpose: The aim of this paper is to provide overall characteristics of the Laser-Flash method and to determine the thermal diffusivity of powders intended for thermal spraying of thermal barrier coat...
Experimental investigation of viscosity and thermal conductivity of suspensions containing nanosized ceramic particles
I. Tavman A. Turgut M. Chirtoc H.P. Schuchmann S. Tavman
2009/12/2
Purpose: In this study we report measurements of effective thermal conductivity by using 3ω method
and effective viscosity by vibro-viscometer for SiO2-water and Al2O3-water nanofluids at different p...
Characterization of Ba1-xNaxTi1-xNbxO3 ceramic by dielectric spectroscopy
Ceramics Electrical properties Dielectric spectroscopy method
2009/12/2
Purpose: The purpose of this paper was characterization of electric properties of polycrystalline nanograin solid
solution of Ba1-xNaxTi1-xNbxO3, x = 0.65 (BNTN65) within the temperature range 153 K-...
The analysis of strength properties of ceramic preforms for infiltration process
Porous ceramics Si3N4 Alumina carbonitride
2009/12/2
Purpose: The goal of this work is the optimization of sintering process of the ceramic preforms based on Si3N4 and Al2O3-Ti(C,N) materials. The influence of pore forming additives on porosity, microst...
Fabrication and characterization of TiAl/Ti3Al-based intermetallic composites (IMCs) reinforced with ceramic particles
Composites TiAl
2010/8/16
TiAl/Ti3Al-based alloys have several advantages over conventional titanium alloys, such as higher elastic modulus, lower density, better mechanical properties at elevated temperatures, and higher oxid...
INFLUENCE OF THE TYPE OF CERAMIC MOULDING MATERIALS ON THE TOP LAYER OF TITANIUM PRECISION CASTINGS
Innovative casting materials and technologies endoprosthesis
2011/3/10
The article presents the results of the research which was executed to describe the conditions specific of the formation of surface of certain micro-geometry and of the upper layers on precision titan...