Invention Reference Number
Oak Ridge National Laboratory has developed niobium-based alloys with enhanced creep resistance for use in extreme high-temperature applications. These alloys are engineered to maintain mechanical integrity under sustained stress at elevated temperatures, addressing a critical need in next-generation turbine and high-performance industrial components. The approach balances material density, strength, and manufacturability to enable potential efficiency gains in energy and aerospace systems.
Description
Turbine and propulsion components face performance limitations due to the temperature capabilities of current alloys. Niobium possesses an advantageous combination of strength, ductility, and thermal conductivity, yet its creep performance at operational extremes has been a barrier. ORNL’s creep-resistant niobium-based alloys were designed using advanced computational modeling to optimize strengthening mechanisms while controlling density. Candidate materials were produced and tested for their ability to resist deformation under long-term high-temperature loading, demonstrating promising performance metrics at relevant operating conditions. This innovation provides a pathway toward components capable of continuous service in more demanding thermal and mechanical environments, without revealing the proprietary alloy chemistry or processing routes that achieve these results.
Benefits
- Maintains structural performance under prolonged high-temperature stress
- Balances creep resistance with lower density for improved efficiency
- Compatible with conventional fabrication techniques
Applications and Industries
- High-temperature turbine components
- Land based machinery systems, components, and non-rotating components
- Industrial power generation systems
Contact
To learn more about this technology, email partnerships@ornl.gov or call 865-574-1051.
