C/C复合材料与高温合金GH600之间高温接触热阻的试验研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2010, Vol. 31 ›› Issue (11): 2189-2194.

• Solid Mechanics and Vehicle Conceptual Design • Previous Articles Next Articles

Experimental Investigation of High-temperature Thermal Contact Resistance Between C/C Composite Material and Superalloy GH600

Liu Donghuan, Zheng Xiaoping, Huang Quanzhang, Yao Fuyin, Liu Yinghua

School of Aerospace, Tsinghua University

Received:2010-01-25 Revised:2010-03-29 Online:2010-11-25 Published:2010-11-25
Contact: Zheng Xiaoping

Abstract

Abstract: The heat pipe cooled leading edge is a novel and efficient thermal protection method in hypersonic aircraft design, and the thermal contact resistance between the C/C composite material structure and high-temperature heat pipes plays a very important role in heat transfer efficiency and thermomechanical coupling. A testing platform of high-temperature thermal contact resistance is established, with which the thermal contact resistance between a three-dimensional braid C/C composite material and a superalloy GH600 specimen is tested under different interface pressures, interface roughnesses and temperatures. The results show that the present testing platform is feasible for the experimental investigation of high-temperature thermal contact resistance, and the thermal contact resistance between three-dimensional braid C/C composite material and superalloy GH600 is obtained, which can be an important reference for the design and safety evaluation of heat pipe cooled thermal protection structures.

Key words: thermal contact resistance, C/C composite material, superalloys, experimental investigation

CLC Number:

V214.9

Liu Donghuan;Zheng Xiaoping;Huang Quanzhang;Yao Fuyin;Liu Yinghua. Experimental Investigation of High-temperature Thermal Contact Resistance Between C/C Composite Material and Superalloy GH600[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2010, 31(11): 2189-2194.

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Experimental Investigation of High-temperature Thermal Contact Resistance Between C/C Composite Material and Superalloy GH600

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