About this Abstract |
| Meeting |
11th International Symposium on Superalloy 718 and Derivatives 2026: Legacy, Innovations, and Future Directions
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| Symposium
|
Superalloy 718 and Derivatives 2026: Legacy, Innovations, and Future Directions
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| Presentation Title |
Evaluation of Seamless Rings of HAYNES 233 Alloy Forged by the Larson Forge Co. |
| Author(s) |
Michael G. Fahrmann, Jeff Cerbie |
| On-Site Speaker (Planned) |
Michael G. Fahrmann |
| Abstract Scope |
Cast & wrought HAYNES® 233® alloy was recently developed by Haynes International for applications requiring greater resistance to high-temperature oxidation compared to that of alloys such as 617, 230, and 188 while not compromising the material’s creep performance. It has been verified that the alloy is an alumina-former, by design, in contrast to the aforementioned creep-resistant chromia-forming alloys. The alloy’s fabricability (formability, weldability) is adequate. In addition to the targeted combustor can applications in advanced gas turbine engines, requiring sheet products, certain designs may also require bulky components such as seamless rings. A total of four trial rings (two different geometries) were forged by the Larson Forge Co. from 5” diameter billet provided by Haynes International. The microstructure of these rings in the as-forged as well as various annealed conditions was evaluated. Key mechanical properties (tensile and creep-rupture) were measured in the optimal annealed plus standard 2-step aged condition. These attributes were compared to those of hot rolled and similarly heat-treated Haynes International plate products. |
| Proceedings Inclusion? |
Definite: At-meeting proceedings |