搜索结果: 1-13 共查到“材料科学基础学科 Thermal”相关记录13条 . 查询时间(0.031 秒)
Thermal conductivity of mass-graded graphene flakes
Thermal conductivity mass-graded graphene flakes nonequilibrium molecular dynamics simulations
2011/8/16
Abstract: In this letter we investigate thermal conductions in mass-graded graphene flakes by nonequilibrium molecular dynamics simulations. It shows mass-graded graphene flakes reveal no thermal rect...
Development of novel thermoelectric materials by reduction of lattice thermal conductivity
Development novel thermoelectric materials reduction lattice thermal conductivity
2010/10/12
Thermal conductivity is one of the key parameters in the figure of merit of thermoelectric materials. Over the past decade, most progress in thermoelectric materials has been made by reducing their th...
Numerical modelling of the thermal and fluid flow phenomena of the fluidity test
Solidification Molten metal flow Fluidity test
2011/6/3
In the paper, two mathematical models of the solidification of a cylindrical shaped casting, which take into account the process of filling the mould cavity with molten metal during the vertical fluid...
The application of transient thermography for the thermal characterisation of carbon fibre/epoxy composites
Non-destructive testing Transient thermography Thermal diffusivity
2009/12/14
Purpose: Primary purpose of the present experimental study was to evaluate the local fibre content in carbon fibre/epoxy composites using transient thermography.
Design/methodology/approach: The expe...
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...
Thermal barrier ZrO2 - Y2O3 obtained by plasma spraying method and laser melting
Composites Thermal barrier coatings Air plasma spraying
2009/12/3
Purpose: The aim of the paper is to determine the influence of laser melting upon the selected physical properties of ZrO2 - Y2O3 ceramic coatings deposited by APS (Air Plasma Spraying) method on supe...
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...
Thermal stability of functional properties in dispersion and precipitation hardened selected copper alloys
Nanomaterials Functional materials Metallography
2009/12/2
Purpose: The objective of the study was to produce copper-based dispersion hardened materials of submicron
grain size, determination of their basic functional properties and stability in high tempera...
Effect of the microstructure of EB-PVD thermal barrier coatings on the thermal conductivity and the methods to reduce the thermal conductivity
Thermal barrier coatings (TBCs) Electron beam-physical vapour deposition (EB-PVD) Thermal conductivity Zirconia
2010/8/16
Thermal Barrier Coatings (TBCs) were first successfully tested in the turbine section of a research gas turbine engine in the mid-1970s. By the early 1980s they had entered revenue service on the vane...
Fatigue life of creep resisting steels under conditions of cyclic mechanical and thermal interactions
Thermo-mechanical fatigue Creep resisting steels Fatigue life
2010/8/16
Thermo-mechanical fatigue (TMF) belongs to the phenomena which determine the life of components of power engineering devices. “Thick-walled elements”, in which under conditions of rapid temperature ch...
Microstructural and thermal analysis of Cu-Ni-Sn-Zn alloys by means of SEM and DSC techniques
Cu-Ni-Sn-Zn alloys DSC technique Scanning electron microscopy
2010/8/16
Most Pb-free solders are Sn-based alloys with addition of low melting metals (such as Zn) or metals forming eutecticts or peritectics with Sn (such as Cu). Copper and nickel are common substrate mater...
Numerical modelling of tools steel hardening. A thermal phenomena and phase transformations
Heat treatment Phase transformation Numerical modelling
2011/4/2
This paper the model hardening of tool steel takes into considerations of thermal phenomena and phase transformations in the solid state are presented. In the modelling of thermal phenomena the heat e...
Problems for determining the thermal conductivity of TBCs by laser-flash method
Ceramics Thermal conductivity TBCs
2010/2/4
Design/methodology/approach: The air plasma-spray (APS) technique was used to deposition of two- and three-layered samples. Two-layered samples were composed of metal substrate (321 stainless steel), ...