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Início Arquivos Thermal Letter Representantes Futuras reuniões Assembléia das Conferências Internacionais de Transferência de Calor
International Heat Transfer Conference 16
2018, 10-15 August, Beijing, China

EXPERIMENTAL STUDY ON THERMAL CONTACT RESISTANCE OF NEEDLE-PUNCHED C/C-SIC COMPOSITES AT DIFFERENT TEMPERATURES AND PRESSURES

Get access DOI: 10.1615/IHTC16.tpm.021979
pages 8589-8595

Resumo

In this study, thermal contact resistance (TCR) of needle-punched C/C-SiC composites under different conditions (temperature, pressure) is experimentally measured by a three-element system. The "three-element system" refers to a thermal conductivity measurement facility, a surface roughness measurement microscope and a one-D heat conduction system. Details of the three elements and the measurement process are described. Under the measurement conditions, the values of TCR of the needle-punched C/C-SiC composites are within the range of 0.00005 to 0.000275 K·m2·W-1. Generally speaking the TCR increases with interface temperature when it is lower than about 220° and decreases with loading pressure monotonically. Four variation curves of TCR are presented.
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