composite materials Archives

Synergistic enhancement of thermal conductivity in composites filled with expanded graphite and multi-walled carbon nanotube fillers via melt-compounding based on polymerizable low-viscosity oligomer matrix

Author(s): Cheol-Min Yang, Hyun Su Kim, Jong Hyeok Kim, Seong Yun Kim

Nano-sized materials with large aspect ratios are found to be effective as second fillers for the formation of 3D thermally conductive networks in polymer composites. In this study, multi-walled carbon ...

Keywords: composite materials, expanded graphite, Hot Disk, multi-walled carbon nanotube, Thermal Conductivity, Transient plane source (TPS) method

The effective thermal transport in composite materials

Author(s): Bashir Suleiman

Composite materials are materials made of reinforcing substances that are set in a matrix of polymers, ceramics or metals. This experiment measured the thermal conductivity of wood and ceramics, and ...

Keywords: composite materials, Hot Disk, Thermal Conductivity, Transient Plane Source, Transient plane source (TPS) method

Reduction of shrinkage and brittleness for resorcinol-formaldehyde aerogels by means of a pH-controlled sol-gel process

Author(s): Lorenz Ratke, Marina Schwan, Rene Tannert

This article investigates how the thermal conductivity of a resorcinol-formaldehyde aerogels varies with increasing resorcinol (R) to water (W) ratios. The thermal conductivity was measured using the Hot disk transient ...

Keywords: Aerogels, composite materials, density, gel shrinkage, Hot Disk, Pekala, pH, polymerization, porosity, resorcinol-formaldehyde aerogels, Sol-gel process, superinsulating materials, Surface Area, Thermal Conductivity, Transient plane source (TPS), Transient plane source (TPS) method

Using ANNs in calibrating the measurements of a simplified hot-plate method

Author(s): B. F. Lin, C. H. Chang, M. T. Sun

In this paper, the simplified hot-plate method (SHOP) measured the thermal conductivity of a prototype instrument, and artificial neural networks (ANNs) were employed to confirm the results. The goal of ...

Keywords: accuracy, Accuracy of the hot plate method, Ambient, Artificial neural network (ANN), composite materials, Hot Disk, Hot-plate method, One-dimensional approximation, Portable devices, Temperature, Thermal Conductivity, Thermal properties testing, Transient plane source (TPS)

Numerical and experimental analysis of the thermal conductivity of metallic hollow sphere structures

Author(s): Andreas Ochsner, Eusebio Solorzano, Thomas Fiedler

Using the TPS method, the thermal conductivities of a variety of metallic hollow sphere structures (MHSS) were measured. The thermal conductivities were also calculated using Misnar's analytical model and compared ...

Keywords: composite materials, Computer Simulation, Finite Element Analysis, Hot Disk Sensor, Metallic Hollow Sphere Structures, Metallic Hollow Sphere Structures (MHSS), MHSS, Misnar's Analytical Model, porosity, Thermal Conductivity, thermal insulation, TPS Method, Transient Plane Source, Transient plane source (TPS) method

Transient Thermal Conductivity Measurements -Comparison of Destructive and Non-destructive Techniques

Author(s): Nancy Mathis

This paper discusses thermal conductivity measurements on homogenous and non-homogenous materials, using three transient methods: Laser Flash Method (LFM), Modified Hot Wire (MHW), and the Transient Plane Source (TPS). This ...

Keywords: ceramics, composite materials, Foams, Homogeneity, Homogeneous materials, laser flash, MHW, Modified hot wire method, Modified hot wire method (MHW), Nondestructive, Penetration, Reflections, Testing depth, Thermal Conductivity, Thermal Diffusivity, TPS, Transient Plane Source, Transient plane source (TPS), transient technique

Thermally conductive composite films of hexagonal boron nitride and polyimide with affinity-enhanced interfaces

Author(s): H. Horibe, H. Nagai, H. Nakano, K. Mitsuishi, K. Sato, K. Watari, T. Shirai, Y. Hotta

The focus of this research was to discover new thermally conductive ceramic/plastic composites for their use in thermal management. In this experiment, the Hot Disk thermal constants analyzer was ...

Keywords: boron nitride, ceramics, composite materials, Fillers, films, h-BN, hexagonal boron nitride, hexagonal boron nitride (h-BN), plastic, polyimide, Thermal Conductivity

Keyword: composite materials

Synergistic enhancement of thermal conductivity in composites filled with expanded graphite and multi-walled carbon nanotube fillers via melt-compounding based on polymerizable low-viscosity oligomer matrix

The effective thermal transport in composite materials

Reduction of shrinkage and brittleness for resorcinol-formaldehyde aerogels by means of a pH-controlled sol-gel process

Using ANNs in calibrating the measurements of a simplified hot-plate method

Numerical and experimental analysis of the thermal conductivity of metallic hollow sphere structures

Transient Thermal Conductivity Measurements -Comparison of Destructive and Non-destructive Techniques

Thermally conductive composite films of hexagonal boron nitride and polyimide with affinity-enhanced interfaces

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