HEAT CAPACITY AND THERMAL CONDUCTIVITY OF A COMPOSITE MATERIAL FROM THERMOPLASTIC PREPREG

A comparative analysis has been made of the thermophysical properties of consolidated plates fabricated from a thermoplastic composite material based on a unidirectional carbon tape and polyphenyl sulfi de by the method of hot pressing and automated tape laying by layer-by-layer laser deposition welding using a robot manipulator. The obtained experimental values of thermal conductivity and heat capacity of these plates agree with a high degree of accuracy with the values of these parameters obtained according to the proposed computational model. The expediency of fabricating high-precision elements by the method of layer-by-layer laser deposition welding has been substantiated. Investigations were carried out with laser-fl ash and diff erential-scanning-calorimetry methods.
A comparative analysis has been made of the thermophysical properties of consolidated plates fabricated from a thermoplastic composite material based on a unidirectional carbon tape and polyphenyl sulfi de by the method of hot pressing and automated tape laying by layer-by-layer laser deposition welding using a robot manipulator. The obtained experimental values of thermal conductivity and heat capacity of these plates agree with a high degree of accuracy with the values of these parameters obtained according to the proposed computational model. The expediency of fabricating high-precision elements by the method of layer-by-layer laser deposition welding has been substantiated. Investigations were carried out with laser-fl ash and diff erential-scanning-calorimetry methods.
Author:  G. S. Sokolov, G. K. Smirnov, A. R. Gareev, A. A. Belogorlov
Keywords:  heat capacity, thermal conductivity, thermoplastic prepreg, automated laying, laser deposition welding
Page:  1613