| Issue |
MATEC Web of Conferences
Volume 14, 2014
EUROSUPERALLOYS 2014 – 2nd European Symposium on Superalloys and their Applications
|
|
|---|---|---|
| Article Number | 17004 | |
| Number of page(s) | 5 | |
| Section | Posters: Alloy Development I: Ni Based Alloys | |
| DOI | https://doi.org/10.1051/matecconf/20141417004 | |
| Published online | 29 August 2014 | |
HAYNES 244 alloy – a new 760 ∘C capable low thermal expansion alloy
Haynes International, Inc., Research and Technology Department, Kokomo, Indiana 46904-9013, USA
a Corresponding author: mfahrmann@haynesintl.com
HAYNES® 244TM alloy is a new 760∘C capable, high strength low thermal expansion (CTE) alloy. Its nominal chemical composition in weight percent is Ni – 8 Cr – 22.5 Mo – 6 W. Recently, a first mill-scale heat of 244 alloy was melted by Haynes International, and processed to various product forms such as re-forge billet, plate, and sheet. This paper presents key attributes of this new alloy (CTE, strength, low-cycle fatigue performance, oxidation resistance, thermal stability) as they pertain to the intended use in rings and seals of advanced gas turbines.
© Owned by the authors, published by EDP Sciences, 2014
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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