(Hf0.5Zr0.3Ti0.2)C–W–Cu Cermet-Modified C/C Composites

Long-term ablation resistance at 2600 °C

This composite achieves significantly improved ablation resistance at ultra-high temperatures through active-passive dual protection involving Cu evaporative cooling and a dense oxide layer.

Xu, Junjie · Sun, Wei · Xiong, Xianga I. · Zhang, Hongbo

Composites Part B: Engineering 2025

Specifications

C- Hf Zr

{'zh': '', 'en': '3'} Ti0

mass ablation rate

{'zh': '', 'en': '0.163'} mg/s

Advantages

Bending strength increased by 70% over C/C-UHTCs, reaching 364.25 MPa

Fracture toughness increased by 110% over C/C-UHTCs, reaching 14.64 MPa m1/2