Nickel-Graphite Sealing Coatings: Composition and Microstructure Evolution for Reliability and Design

This study investigates the composition and microstructure evolution of nickel-graphite sealing coatings before and after long-term service. The findings provide valuable insights for predicting their reliability and informing structural design. The research demonstrates that the service environment significantly impacts the coating's composition and microstructure, affecting its performance and longevity. By understanding these changes, engineers can optimize the design of sealing coatings for enhanced reliability and durability.