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Search Results for: thermal interface

Total Papers Found: 30

Design, Assembly and Commisioning of a Test Apparatus for Characterizing Thermal Interface Materials

Author(s): I. Savija, J. R. Culham, M. M. Yovanovich, P. Teertstra

Thermal interface materials (TIMs) are often used in electronic and microelectronic applications. It can be difficult to determine their characteristics once they are in-situ because it is hard to account ...

Keywords: Contact resistance, electronics, GHF, in-situ thickness measurement, metallic foils, phase change materials, Polymeric materials, test apparatus, Thermal Conductivity, thermal interface materials

Heat Transfer Organic Materials: Robust Polymer Films with the Outstanding Thermal Conductivity Fabricated by the Photopolymerization of Uniaxially Oriented Reactive Discogens

Author(s): Dae-Yoon Kim, Dong-Gue Kang, Kwang-Un Jeong, Minwook Park, Munju Goh, Namil Kim

Triphenylene-based reactive discotic liquid crystals (DLC), HABET vinyl monomer and THBT thiol cross-linker, were synthesized and applied for the development of advanced heat transfer organic material (HTOM) as a continuous ...

Keywords: anisotropic heat transfer, discotic liquid crystal, laser flash analysis (LFA), reactive mesogen, Thermal Conductivity, thiol-ene photopolymerization, Transient plane source (TPS) technique

Performance of biocomposites from surface modified regenerated cellulose fibers and lactic acid thermoset bioresin

Author(s): Fatimat Bakare, Mikael Skrifvars, Rene Herrmann, Sunil Kumar Ramamoorthy

In this study, researchers set out to test the performance of biocomposites reinforced with regenerated cellulose fibers and lactic acid thermoset bioresin. A difference in treatments was conducted as the ...

Keywords: Cellulose fiber, Finite Element Analysis, Hot Disk, mechanical properties, resin, Resonance analysis, surface modification, Thermal Conductivity, transient plane soure

Effect of Graphene Layer Thickness and Mechanical Compliance on Interfacial Heat Flow and Thermal Conduction in Solid–Liquid Phase Change Materials

Author(s): Amy S. Fleischer, Ronald J. Warzoha

The thermal conductivities of paraffin-based composite phase change materials (PCMs) containing different types of graphene nanoparticles were determined using the transient plane source method. It was determined that the thermal ...

Keywords: graphene, Interfacial Thermal Resistance, nanocomposites, pcms, phase change materials, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Thermal Conductivity, Transient Plane Source, Transient plane source (TPS) method

Effect of carbon nanotube interfacial geometry on thermal transport in solid–liquid phase change materials

Author(s): Amy S. Fleischer, Ronald J. Warzoha

The thermal conductivities of four composite paraffin phase change materials (PCMs) containing embedded multi-walled carbon nanotubes (MWCNTs) with varying dimensions were determined. The goals of this study were to investigate ...

Keywords: Aspect Ratio, Carbon nanotubes, CNTs, composite, density, diameter, Fillers, Interfacial Thermal Resistance, Length, pcms, phase change materials, Thermal Conductivity, Thermal Diffusivity, TPS Device, Transient Plane Source, Transient Plane Source (TPS) Device

Optimization of cooling time for measuring Thermal properties of electronic materials using the transient plane source technique

Author(s): Brad Canney, Craig Dixon, Michael R. Strong

The effects of cooling time on the reproducibility and accuracy of thermal conductivity measurements made using a Hot Disk Thermal Constants Analyzer were evaluated. Selected metal alloys and silicone based ...

Keywords: Cooling time, Electronic Interface Materials, Hot Disk Thermal Constants Analyzer, Silicone, Thermal Conductivity, TPS Technique

Thermal interface materials based on carbon nanotubes and their thermal characterization

Author(s): G. J. F. Czempiel, K. Gharagozloo-Hubmann, M. Kasimir, S. Reich, S. Trotsenko, V. Datsyuk

The effects of using different fillers and the effects of filler content and particle size on the thermal properties of thermal interface materials were investigated. The most prominent enhancement in ...

Keywords: Carbon nanotubes, CNTs, differential scanning calorimeter, Differential scanning calorimeter (DSC), DSC, Fillers, graphite, Hot Disk Transient Plane Source, Hot Disk transient plane source (TPS), Specific Heat, Thermal Conductivity, Thermal Diffusivity, thermal interface materials, TIMs, TPS, Xenon Flash

Filler geometry and interface resistance of carbon nanofibres: Key parameters in thermally conductive polymer composites

Author(s): Andre Boden, Gregor J. F. Czempiel, Izabela Firkowska, Kati Gharagozloo-Hubmann, Stephanie Reich

The effects of intrinsic thermal conductivity, carbon filler geometry, and interface thermal resistance on the effective thermal conductivity of polymer composites were investigated. It was found that the length of ...

Keywords: Aspect Ratio, diameter, Fillers, Hot Disk Transient Plane Source, Hot Disk transient plane source (TPS), Interface Thermal Resistance, Length, Polymer composites, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, TEM, Thermal Conductivity, Transmission electron microscopy, Transmission electron microscopy (TEM)

Graphite nanoplatelet/silicone composites for thermal interface applications

Author(s): A. V. K. Westwood, C. Stirling, M. A. Raza

Graphite nanoplatelets were dispersed in varying quantities into a silicone matrix to form composite materials with higher thermal conductivities than the pure silicone matrix without sacrificing mechanical properties. It was ...

Keywords: composites, Compression Testing, differential scanning calorimeter, Differential scanning calorimeter (DSC), DSC, Electrical Conductivity, FEG-SEM, Field Emission Gun Scanning Electron Microscope, Field Emission Gun Scanning Electron Microscope (FEG-SEM), graphite, Hot Disk Thermal Constants Analyser Method, Silicone, Thermal Conductivity, thermal interface materials, TIMs, viscosity

Thermal Conductivity of Single-Wall Carbon Nanotube Dispersions: Role of Interfacial Effects

Author(s): Clay Maranville, Dustyn Sawall, Hiroko Ohtani, J. M. Ginder, Jagjit Nanda, Jeffrey T. Remillard, Shannon C. Bollin

The thermal transport properties of nanofluids containing single-walled carbon nanotubes (SWCNTs) in ethylene glycol and (poly)-alpha olefins (PAO) were investigated. It was found that the addition of SWCNTs enhanced ...

Keywords: AFM, atomic force microscopy, Atomic Force Microscopy (AFM), Carbon nanotubes, CNTs, Fluid Rheology, Light Scattering, Nanofluids, TEM, Thermal Conductivity, Thermal Diffusivity, Transmission electron microscopy, Transmission electron microscopy (TEM)