纳米颗粒增强环氧树脂抗原子氧剥蚀性能机理研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2007, Vol. 28 ›› Issue (1): 207-212.

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An Investigation of Atomic Oxygen Resistance improving mechanism for Epoxy/Silica Nanocomposites

WANG Xin,ZHAO Xiao-hu,WANG Ming-zhu,SHEN Zhi-gang

School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics

Received:2005-09-17 Revised:2005-11-09 Online:2007-01-10 Published:2007-01-10
Contact: SHEN Zhi-gang

Abstract

Abstract:

To improve the atomic oxygen (AO) resistance of the spacecraft resin matrix material, the inorganic silica nanoparticles were filled into the epoxy resin. Samples of the epoxy/silica nanocomposites were prepared and the AO exposure experiments were conducted in a ground-based AO effects simulation facility. The samples exhibited significantly less mass loss and erosion yield than the corresponding pristine epoxy resin. After AO exposure for 60h, the erosion yield of the nanocomposite containing 15phr nanoparticles decreased to 9.4% of that of the pristine epoxy resin.

Key words: Aerospace , Composites, , AO , resistance, , Nanoparticles, , Epoxy , resin, , Spacecraft

CLC Number:

V258

WANG Xin;ZHAO Xiao-hu;WANG Ming-zhu;SHEN Zhi-gang. An Investigation of Atomic Oxygen Resistance improving mechanism for Epoxy/Silica Nanocomposites[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2007, 28(1): 207-212.

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An Investigation of Atomic Oxygen Resistance improving mechanism for Epoxy/Silica Nanocomposites

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