Patents Assigned to The United States of America as Represented by the Administrator of National Aeromautics and Space Administration
  • Advanced high temperature and fatigue resistant environmental barrier coating bond coat systems for SiC/SiC ceramic matrix composites
    Patent number: 10774682
    Abstract: Advanced environmental barrier coating bond coat systems with higher temperature capabilities and environmental resistance are disclosed. These bond coat systems can be applied to ceramic substrates such as SiC/SiC ceramic matrix composite substrates, and can provide protection from extreme temperature, mechanical loading and environmental conditions, such as in high temperature gas turbines. Example bond coat systems can include either an advanced silicon/silicide component, an oxide/silicate component, or a combination thereof.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: September 15, 2020
    Assignee: The United States of America as Represented by the Administrator of National Aeromautics and Space Administration
    Inventors: Dongming Zhu, Janet B. Hurst