Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7893909 | Corrosion Science | 2018 | 10 Pages |
Abstract
CNTs have been introduced into C/C composites by electrophoretic deposition to improve their ablation performance. Mass ablation of C/C composites decreases by 64% with an optimized CNT content. Mechanical exfoliation is mainly responsible for the mass loss of C/C composites under oxyacetylene ablation as confirmed by SEM observations and static oxidation experiments. By applying CNTs with an optimized content, thermal conductance of the composites increases by 24.5% and the fiber-matrix interfacial strength increases by 74.6%. Local thermal damage is significantly relieved and matrix peeling off by high-velocity gas is inhibited, which lead to the significant decrease of mechanical ablation.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Shen Qingliang, Li Hejun, Zhao Fengling, Song Qiang, Fu Qiangang,