Research Progress on Ultrahigh-Temperature Ceramics Modified C/C Composites

Area of Science:

• Materials Science
• Ceramic Engineering
• Aerospace Engineering

Background:

• Carbon/carbon (C/C) composites offer excellent high-temperature mechanical properties, making them vital for demanding applications.
• However, their poor oxidation and ablation resistance in oxygen-rich environments limits widespread use.
• Ultrahigh-temperature ceramics (UHTCs)-modified C/C composites (C/C-UHTCs) present a promising solution to overcome these limitations.

Purpose of the Study:

• To review recent advancements in C/C-UHTCs composites.
• To explore their application prospects, performance testing, and preparation techniques.
• To discuss oxidation/ablation mechanisms, challenges, and future research directions.

Main Methods:

• Review of existing literature on C/C-UHTCs composites.
• Analysis of preparation techniques, phase composition, and microstructural characteristics.
• Examination of oxidation and ablation mechanisms and performance testing methods.

Main Results:

• C/C-UHTCs composites show significantly improved oxidation and ablation resistance compared to traditional C/C composites.
• Various preparation methods and structural designs influence the composite's performance.
• Understanding oxidation/ablation mechanisms is crucial for material development.

Conclusions:

• C/C-UHTCs composites are a key material for high-temperature structural applications, especially in aerospace.
• Further research is needed to address current challenges and optimize performance.
• Continued development will enhance their reliability and expand their application scope.