| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Sustainability of High Temperature Alloys
|
| Presentation Title |
Development of Direct Recycling Technique for Advanced Ni-base Single Crystal Superalloys |
| Author(s) |
Kyoko Hashi Kawagishi, Chihiro Tabata, Satoshi Utada, Tadaharu Yokokawa, Shinsuke Suzuki, Hiroshi Harada |
| On-Site Speaker (Planned) |
Kyoko Hashi Kawagishi |
| Abstract Scope |
In order to improve the efficiency of gas turbine engines, increase of turbine inlet temperature is most effective. Ni-base single crystal superalloys are applied to the high-pressure turbine blades because of their excellent characteristics in high temperature mechanical properties and environmental properties, and increase of the temperature capability of superalloys is still necessary. National Institute for Materials Science (NIMS) has been developing world-leading Ni-base superalloys for the turbine blades and discs. However, high-performance advanced single crystal superalloys contain Re and Ru, which hinders the practical application of the alloys. Therefore, “direct complete recycling" technique was proposed with the aim of promoting the practical application of advanced alloys through efficient use of resources and cost reduction. This technique is expected to contribute to reducing the manufacturing costs not only of advanced alloys, but of all other single crystal superalloys. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
High-Temperature Materials, Recycling and Secondary Recovery, |