High temperature oxidation resistance of La2O3-modified ZrB2-SiC coating for SiC-coated carbon/carbon composites

To improve the long-term anti-oxidation performance of carbon/carbon (C/C) composites at high temperature, La2O3-modified ZrB2-SiC (ZSL) coating was prepared on SiC-coated C/C composites by pack cementation. The results indicated that significant improvement was achieved on the oxidation resistance of ZSL coated specimens compared with ZrB2-SiC (ZS) coating for SiC-coated C/C composites at 1500 °C and 1600 °C. The mass loss of the ZSL coated...