A Review on the Evolution of Thermal and Environmental Barrier Coating Systems and Their High-Temperature Degradation Mechanisms in Advanced Aero-Engines
Review highlights high-temperature degradation mechanisms in advanced coating systems for aerospace applications, suggesting new material designs.
Key Points
This review aims to explore the evolution and degradation mechanisms of thermal and environmental barrier coatings in high-temperature aero-engine applications.
Systematic assessment of thermal barrier coatings and environmental barrier coatings from conventional to advanced materials.
Comparative analysis of material properties including phase stability and durability at temperatures above 1200 °C.
In-depth investigation of degradation mechanisms under various corrosive conditions such as CMAS attack and water-oxygen corrosion.
Traditional yttria-stabilized zirconia and silicate systems are evolving into advanced high-entropy and rare-earth-doped coatings.
Identified critical durability issues and trade-offs between thermal conductivity and mechanical toughness.
Proposed advanced AI-driven models for predicting the lifespan and reliability of next-generation coatings.