Abstract
The ablation performances of a fine-woven, pierced carbon/carbon (C/C) composite throats for solid rocket motor were investigated by a ground ignition test. The ablation surface morphologies of three regions (entrance, throat and exit) of the throats were examined in detail by scanning electron microscopy. The results show that the C/C composite throats retain smooth inner surface, experiencing ablation rates of 0.142–0.146 mm/s under a pressure of about 6.0 MPa. But ablation morphologies of the three regions are different, due to the continuously changing of temperatures, velocities, and oxidant concentrations of combustion gas plume.
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Acknowledgement
This work was supported by the national high technology program of China, under grant no. 2007AA03A222 and the fundamental research funds for the central universities under the contact NO. 201021100040.
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Yin, J., Zhang, H.B., Xiong, X. et al. Ablation Performance of Carbon/Carbon Composite Throat after a Solid Rocket Motor Ground Ignition Test. Appl Compos Mater 19, 237–245 (2012). https://doi.org/10.1007/s10443-011-9192-0
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DOI: https://doi.org/10.1007/s10443-011-9192-0