LFT Archives - Thermtest Inc.

Measuring the thermal properties of green wood by the transient plane source (TPS) technique

Author(s): Andrzej Kusiak, Anna Dupleix, Frederic Rossi, Mark Hughes

In this study, the researchers investigated the thermal conductivity, thermal diffusivity and specific heat of four types of wood: beech, birch, spruce and Douglas fir. The main factor influencing the ...

Keywords: anisotropy, building materials, density, Fiber Saturation Point, Heat Capacity, Laser Flash Technique, Laser Flash Technique (LFT), LFT, Moisture Content, Thermal Conductivity, Thermal Diffusivity, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, Transverse Conductivity, Wood

Low Thermal Conductivity Coatings for Gas Turbine Applications

Author(s): J. Wigren, N. Markocsan, P. Nylen, X.-H. Li

Thermal barrier coatings (TBC) are plasma sprayed onto gas turbine parts in order to improve combustion efficiency and component life time. Two TBC are looked at in this report: yttria ...

Keywords: Coatings, Laser Flash Technique, Laser Flash Technique (LFT), LFT, Plasma Spraying, Plasma Torch Power Input, porosity, TBC, Thermal Barrier Coatings, Thermal Barrier Coatings (TBC), Thermal Conductivity, TPS Technique, Transient Plane Source, Transient plane source (TPS) method

Thermal properties of the optically transparent pore-free nanostructured yttria-stabilized zirconia

Author(s): Alexander A. Balandin, D. Teweldebrhan, J. E. Garay, J. R. Morales, S. Ghosh

Yttria-stabilized zirconia (YSZ) was synthesized by the spark plasma sintering process to generate pore-free, homogenous bulk samples that were then tested for thermal conductivity, which was measured by two separate ...

Keywords: Advanced Electronics, Callaway-Klemens Model, Coatings, density, fuel cell, Grain Size, High Temperature Coatings, Laser Flash Technique, Laser Flash Technique (LFT), LFT, Micro-Raman Spectroscopy, Optically Transparent Thermal Insulators, Optically Transparent Thermal Insulators (OTTI), OTTI, PHM, Phonon-Hopping Model, Phonon-Hopping Model (PHM), porosity, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Solid Oxide, Spark Plasma Sintering Process, Temperature, Thermal Conductivity, Thermal Diffusivity, thermal insulation, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, X-ray Diffraction, X-ray diffraction (XRD), XRD, YSZ, Yttria-Stabilized Zirconia, Yttria-Stabilized Zirconia (YSZ)

Thermal Conductivity of High Temperature Multicomponent Materials with Phase Change

Author(s): Hans Muller-Steinhagen, Katia S. do Couto Aktay, Rainer Tamme

The authors created a series of composite latent storage materials (CLSM) using expanded graphite (EG) and a two different metal nitrate phase change materials (K and Li, K and Na). ...

Keywords: CLSM, Composite Latent Storage Materials, Composite Latent Storage Materials (CLSM), Discharging Power, Effective Thermal Conductivity, graphite, heat flux, Isotropy/Anisotropy, Laser Flash Technique, Laser Flash Technique (LFT), Latent Heat Storage Systems, LFT, Material Microstructure, Melting Temperature, pcms, phase change materials, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Steady-State Comparative Model, Storage Density, Temperature, Temperature Gradient, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, Volumetric Heat Capacity

Mechanically-exfoliated stacks of thin films of Bi2Te3 topological insulators with enhanced thermoelectric performance

Author(s): Alexander A. Balandin, D. Teweldebrhan, Vivek Goyal

The 'graphene-like' mechanical exfoliation of Bi2Te3 films is shown to have a significant effect on the thermoelectric properties of these films. The modification of thermal conductivity due to exfoliation ...

Keywords: Annealing, Bi2Te3, Bismuth Telluride, Bismuth Telluride (Bi2Te3), Current-Voltage Characteristics, EDS, Energy Dispersive Spectroscopy, Energy Dispersive Spectroscopy (EDS), films, graphene, Laser Flash Technique, Laser Flash Technique (LFT), LFT, Materials, Mechanical Exfoliation, Micro-Raman Spectroscopy, Pseudosuperlattice, Scanning Electron Microscope, Scanning electron microscope (SEM), Seebeck Measurements, SEM, TE, Temperature, Thermal Conductivity, Thermoelectric, Thermoelectric (TE) Materials, TI, Topological Insulators, Topological Insulators (TI), TPS, Transient Plane Source, Transient plane source (TPS) method

Keyword: LFT

Measuring the thermal properties of green wood by the transient plane source (TPS) technique

Low Thermal Conductivity Coatings for Gas Turbine Applications

Thermal properties of the optically transparent pore-free nanostructured yttria-stabilized zirconia

Thermal Conductivity of High Temperature Multicomponent Materials with Phase Change

Mechanically-exfoliated stacks of thin films of Bi2Te3 topological insulators with enhanced thermoelectric performance

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