搜索结果: 1-15 共查到“材料科学 ceramic”相关记录33条 . 查询时间(0.056 秒)
Composite materials based on EN AW-Al Cu4Mg1(A) aluminum alloy reinforced with the BN ceramic particles
Aluminum alloy Composite materials Powder metallurgy Corrosion resistance Polarisation curve Abrasive wear
2010/3/1
Considerable attention is focused on metal matrix reinforced with strength and high modulus ceramic reinforcements because of their superior properties in comparison with most of conventional material...
Dielectric spectroscopy study of Ba0.98Na0.02Ti0.98Nb0.02O3 ceramic
Ceramics Phase transitions Ferroelectrics
2010/1/11
The dielectric spectroscopy method was applied to measure frequency and temperature dependence of complex dielectric permittivity, complex admittance, phase angle. The frequency dependence of ac condu...
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 the laser alloyed 32CrMoV12-28 with ceramic powder
Surface treatment Heat treatment Hot work tool steel
2009/12/14
Purpose: The work was performed for the reason to determine the laser treatment parameters, particularly the laser power, to achieve a high value of layer hardness for protection of this hot work tool...
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
2009/12/2
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...
Solidification analysis of AMMCs with ceramic particles
Composites Casting Solidification analysis Silicon carbide
2009/12/1
Purpose: In the research work the result of the reinforcement displacement and solidification analysis for aluminium
cast composites with ceramic particles have been presented. The results of researc...
Growth and Corrosion Characteristics of Plasma Electrolytic Oxidation Ceramic Films Formed on AZ31 Magnesium Alloy
plasma electrolytic oxidation oxidation film growth process
2009/11/16
The growth characteristics of oxide ceramic films formed on AZ31 magnesium alloy with plasma electrolytic oxidation (PEO) technique in alkaline silicate solution were investigated. The composition, st...
Measurement of Emissivity of Porous Ceramic Materials
Heat transfer radiation emissivity porous ceramic material
2009/10/15
In this study, measurements of spectral and total emissivities of seven different porous ceramic materials and one ceramic
fibre material are reported. Measurements were made for wavelength range fro...
Convective Heat Transfer In Porous Ceramic Materials
Heat transfer convection porous ceramic
2009/10/14
In this study heat transfer in porous ceramic materials, which o er a potential as an alternative heat transfer medium in a number of systems in which heat transfer takes place, is investigated experi...
This paper describes how various characterisation
methods can be used to investigate the physicochemical
and spectral properties of gold films in
contact with glass or ceramic. The interface betwee...