Glass-fiber reinforced polymer-matrix composites are widely used in electro and automotive industry due to their easy processing, low cost, and possibility to tailor properties. Functional properties of the composites strongly ...Read More
Keyword: thermal stability
The Hot Disk TPS 2500S was used to measure the thermal conductivity of two novel polyurea/silica ORMOSILs (Organically Modified Silicates) created for use in high temperature optical applications. The ...Read More
Preparation and thermal properties of porous heterogeneous composite phase change materials based on molten salts/expanded graphite
This article discussed the creation of phase change composite materials using molten binary salts and expanded graphite (EG). Three different salts were used, LiNO3–KCl, LiNO3–NaNO3 and LiNO3–NaCl. ...Read More
Thermal Characterization of Lauric–Stearic Acid/Expanded Graphite Eutectic Mixture as Phase Change Materials
Expanded graphite (EG) was added to lauric acid (LA)-stearic acid (SA) phase change materials to enhance their thermal conductivities. The PCMs were prepared in varying mass fractions of LA ...
Keywords: differential scanning calorimetry, Differential scanning calorimetry (DSC), DSC, graphite, pcms, phase change materials, Scanning Electron Microscope, Scanning electron microscope (SEM), SEM, TGA, Thermal Conductivity, thermal stability, Thermogravimetric Analysis, Thermogravimetric analysis (TGA), TPS, Transient Plane Source, Transient plane source (TPS) methodRead More
Traditionally, white LED's are made by mixing phosphor with an epoxy resin. But, the phosphor is not always evenly distributed, and the epoxy resin has a low thermal conductivity resulting ...
Keywords: 2500 S, ceramic phosphor plate, ceramics, light-emitting diode (LED) applications, Lu3Al5O12:Ce3+ (LuAG:Ce), magnesium oxide (MgO), performance degradation, photoluminescence (PL) intensities, polyvinyl acetate (PVA), Powders, Silicon dioxide (SiO2), Thermal Conductivity, thermal stability, Transient plane source (TPS) method, Transient plane source (TPS) techniqueRead More
Facile fabrication of multi-walled carbon nanotubes and its enhancement on thermally conductive adhesive applied in heat dissipation devices
The purpose of this study was to develop adhesive epoxy resins that used multiwalled carbon nanotubes (MWCNTs) to enhance thermal conductivity and dispersion in the polymer matrix. A Hot Disk ...
Keywords: Amine, Amine-grafted multi-walled carbon nanotubes (MWCNTs), Carbon nanotubes, CNTs, Coupling agent, Crosslinking, density, Dispersion, Field emission scanning electron micrograph (FESEM), Glass transition, Homogeneous, Infrared spectroscopy (FTIR), Multiwalled carbon nanotubes (MWCNTs), Polar forces, resin, Silane, Temperature, Thermal Conductivity, Thermal decomposition, thermal stability, X-ray diffraction (XRD)Read More
The purpose of this study was to fabricate and analyze the physical properties of polyacrylate–gold nanocomposites (PGNs) with gold nanoparticles (GNPs) as their nucleation agents. The transient plane source (...
Keywords: 2-hydroxyethyl methacrylate (HEMA), Cell structure, density, Foams, Gold, matrix, Mechanical Strength, Methyl methacrylate (MMA), Monomers, nanocomposites, Nanoparticles, Nitrogen, Photopolymerization, Polyacrylate-gold nanocomposites (PGNs), Polymer composites, Scanning Electron Microscopy (SEM), Temperature, Thermal Conductivity, Thermal Diffusivity, thermal stability, Transient plane source (TPS), Transient plane source (TPS) method, Transmission electron microscopy (TEM), UVRead More
In this study, aluminum nitride was treated with silane in an attempt to improve the performance of polyetherimide (PEI) composites. Various properties of the modified AlN/PEI composites were examined ...
Keywords: Adhesion, Aluminum nitride (AlN), composites, Dielectric properties, Electrical properties, matrix, mechanical properties, Polyetherimides (PEI), Silane, Silane composites, strength, Thermal Conductivity, Thermal Properties, thermal stability, WetibilityRead More
Influence of the nature of aggregates on the behaviour of concrete subjected to elevated temperature
In this paper, the physical characteristics of concretes containing three types of aggregates were examined under high temperatures. A Hot-Disk TPS1500 measured the thermal conductivity of the concrete samples using ...
Keywords: Aggregates, concrete, crystallization, mechanical properties, Mineralogical characteristics, Moisture, Paste composition, Siliceous, Silico-calcareous, Temperature, Thermal Conductivity, thermal stability, Thermal treatment, Thermomechanical behaviour, Transient Plane Source, Transient plane source (TPS) methodRead More
Preparation and thermal performance of gypsum boards incorporated with microencapsulated phase change materials for thermal regulation
Phase change materials (PCMs) store large amounts of latent heat over small temperature ranges, so their application in the thermal regulation of buildings is becoming more popular. However, PCMs have ...
Keywords: Building application, building materials, Differential scanning calorimeter (DSC), Freezing Temperature, Gypsum, High storage density, Homogeneously, In-Situ Polymerization, latent heat, Melting Temperature, Microencapsulated PCMs, pcms, phase change materials, Scanning electron microscope (SEM), Solar, Thermal Capacity, Thermal Conductivity, thermal energy storage, Thermal regulation, thermal stability, Transient Plane SourceRead More