Nested-Structure ZrO₂–MoSi₂–SiC High-Emissivity Coating on the Flexible Fiber Fabric with Enhanced Bonding Strength and Thermal Insulation Performance

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: March 28, 2025

Research on high-emissivity coatings for flexible thermal insulation felts used in aerospace vehicles has achieved substantial progress. However, the bonding strength of these systems remains a critical challenge that necessitates further improvement. Herein, nested-structure coating, comprising Zr precursor-based shell integrated with an Al2O3–MoSi2–SiC (AMS) layer, is applied alumina fiber fabric (AFF). The not only improves interfacial properties through structural design but also effectively enhances by facilitating multiple reflections and absorptions infrared radiation. precursor penetrates into interior fabric, providing direct protection to matrix. Simultaneously, at high temperatures, it reacts surface coating form ZrSiO4-modified mechanical interlocking structure, thereby significantly enhancing strength. between composite (NPCC) AFF substrate was measured be 0.34 MPa 1300 °C, showing 80% enhancement compared single-layer AMS coating. Upon continuous heating 1445 °C 10 min using butane torch, temperature backside NPCC-coated remained relatively stable 212 which notably decreased 50 AMS-coated AFF. In wavelength range 3–8 μm, average emissivity 0.91. NPCC both performance AFF, offering promising prospects applications systems.

Language: Английский

Machine Learning Prediction Framework for Tailoring the Optical Response of Particulate Media

ACS Photonics, Journal Year: 2025, Volume and Issue: unknown

Published: April 22, 2025

Language: Английский