This technology introduces a family of lower-cost, iron-based medium-entropy alloys for structural components exposed to elevated temperatures and sustained mechanical loads. The alloys address the need for materials that retain strength and dimensional stability while resisting creep-related deformation. A controlled multiphase microstructure provides a balanced combination of strength, ductility, creep resistance, and long-term microstructural stability for demanding nuclear energy applications.
Description
Conventional high-temperature alloys may experience progressive deformation, microstructural changes, or reduced mechanical performance during prolonged service. This technology uses a uniquely tailored chemical composition and controlled nanoscale precipitate structure to improve material behavior under elevated-temperature loading.
Targeted compositional tuning strengthens the alloy matrix, stabilizes the reinforcing precipitate phase, and promotes more balanced load sharing between phases. This combination helps delay deformation and maintain mechanical coupling within the material during creep conditions. Computational alloy design, precipitation modeling, and advanced characterization were used to evaluate the alloys’ microstructural evolution and deformation response.
The technology provides a pathway to conventionally fabricated, iron-based structural alloys that combine lower material costs with improved strength, ductility, creep resistance, and microstructural stability. The alloys may be suitable for components requiring extended service under high temperatures and sustained stresses.
Benefits
- Improved resistance to high-temperature creep deformation
- Balanced strength and ductility
- Enhanced microstructural stability at elevated temperatures
- Lower-cost iron-based alloy platform
- Compatibility with conventional fabrication approaches
- Improved load sharing between material phases
Applications and Industries
- Nuclear energy structural components
- High-temperature load-bearing components
- Creep-critical industrial equipment
- Advanced alloy and metals manufacturing
- Component manufacturing for elevated-temperature service
Contact
To learn more about this technology, email [email protected] or call 865-574-1051.
Researchers
Contact
To learn more about this technology, email [email protected] or call 865-574-1051.