Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 727, Issue -, Pages 135-145Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2017.08.114
Keywords
Ceramic matrix composites; High temperature corrosion; SRM
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Funding
- National Natural Science Foundation of China [51521061, 51502245, 51572223]
- 111 Project [B08040]
- Research Fund of State Key Laboratory of Solidification Processing (NWPU), China [142-TZ-2016]
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In order to improve the ablation resistance of carbon/carbon (C/C) composites, SiC-ZrB2 was infiltrated into them by reactive melt infiltration (RMI). Their ablation behavior with a leading edge shape was investigated in the combustion environment of a simulated solid rocket motor (SRM). The results show that after introducing SiC-ZrB2 ceramic phases into C/C composites, the linear and volume ablation rate of modified leading edge decreased by 26% and 45%, respectively. The high erosion rate of the composites leading edges was mainly attributed to the synergistic effect of thermochemical ablation and mechanical erosion in a high-velocity, high particle concentration two-phase flow of SRM plume environment. (C) 2017 Published by Elsevier B. V.
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