| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Sustainability of High Temperature Alloys
|
| Presentation Title |
Relationship between manufacturing parameters and creep performance of Inconnel718 fasteners |
| Author(s) |
Cyril Lavogiez, Josselin Paturaud, Gildas Boleis |
| On-Site Speaker (Planned) |
Cyril Lavogiez |
| Abstract Scope |
The increase of in-service aircraft engine temperature has become more and more challenging for the Inconel 718 alloy. With many efforts this alloy has been replaced by y/y’ nickel-based alloy for disk application. Henceforth, it is challenged for fasteners application . Yet, little is published regarding the performance at high temperature of Inconel 718 fastener. These parts imply high stress concentration within the thread which are manufactured by rolling. This process aims to increase the fatigue properties thanks to introduction of residual stress, strain hardening and grain flow . However, less is known on the relation between rolling parameters and creep performance. Hence, two configurations of Inconel 718 fasteners with different expected level of residual stress and strain hardening were manufactured and creep tested. Using SEM coupled with EBSD analysis, the aim of this work is to clarify the relationship between the thread microstructures and the related creep performance. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
High-Temperature Materials, Mechanical Properties, |