Microstructure and ablation behavior of carbon/carbon composites infiltrated with Zr–Ti

High temperature corrosion of carbon/carbon composites in Zr–Ti melts during liquid metal infiltration

“…As shown in Fig. 1(a), the distribution of carbides (white phases: Zr-Ti-C referenced in [10]) in the areas of the chopped fibre web in the samples is dispersive and uniform, meanwhile, the large-needled bundles penetrate the chopped fibre webs. In the samples with NIP shown in Fig.…”

“…For instance, the material used for the hottest parts of the Intermediate eXperimental Vehicle launched in November 2014 was based on a carbon fibre preform and a matrix of silicon carbide [9]. Our previous research also showed that the carbon fibre-reinforced Zr-Ti-C composites owned good ablation resistance [10].…”

Effect of ZrB2 and SiC distributions on the ablation of modified carbon/carbon composites

“…Employing UHTC in various types was also studied [16][17][18]. Nevertheless, balancing an optimal ratio of these UHTCs was a challenging and enduring topic in the last several years, since the application environment of components in aerospace vehicles is always various and complicated [19][20][21]. However, how does the distribution of introduced phases affect the ablation of modified C/C composites was rarely reported.…”

“…As one of the most promising materials for aerospace application, carbon/carbon (C/C) composites were extensively investigated aiming at the challenge to improve their oxidation [1][2][3] and ablation [4][5][6] resistances. Most of these works focused on modification of C/C composites by SiC and ultra high temperature ceramics (UHTC).…”

Residual thermal stresses in carbon/carbon–Zr–Ti–C composites and their effects on the fracture behavior of composites with different preforms

“…Some refractory metal carbides and borides, such as ZrC [1], ZrB 2 [2], SiC [3] and their composite ceramics [4][5][6][7], have been introduced into continuous carbon fiber preforms to improve the ablation resistance and thermal shock resistance of carbon-ceramic-based composites that were used in applications such as the heat-stable components of aerospace vehicles and aircraft brakes. However, the difference in the coefficients of thermal expansion (CTEs) between the ceramics and the carbon matrices, such as carbon fiber and pyrocarbon (PyC), is significant.…”