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High temperature and high strain rate properties of brazed honeycomb liner material Haynes 214

Title data

Vogler, Jonas ; Völkl, Rainer ; Song, Jieun ; Viebranz, Vincent Fabian ; Huber, Jakob ; Bauer, Hans-Jörg ; Werner, Ewald ; Glatzel, Uwe:
High temperature and high strain rate properties of brazed honeycomb liner material Haynes 214.
In: Wear. Vol. 550-551 (2024) . - 205427.
ISSN 0043-1648
DOI: https://doi.org/10.1016/j.wear.2024.205427

Abstract in another language

Abradable honeycomb sealing systems are essential for gas turbine efficiency. Experimental data on the rubbing performance of Haynes 214 metal sheets brazed with the nickel-chromium-silicon filler metal BNi-5 is presented. The brazing layer in the double foiled honeycomb sections turned out to have a major impact on rubbing behavior. Damage on the rotor was analyzed with a large chamber scanning electron microscope and energy-dispersive X-ray spectroscopy. The results demonstrate a significant influence of the brazing process on the mechanical properties, especially after exposure to 1000 °C. A hard aluminum nitride phase formed in the brazed metal sheets can cause severe damage to the rotor.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Brazing; Haynes 214; Honeycomb; Nickel-base superalloys
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Metals and Alloys > Chair Metals and Alloys - Univ.-Prof. Dr.-Ing. Uwe Glatzel
Profile Fields > Advanced Fields
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions
Research Institutions > Central research institutes
Research Institutions > Central research institutes > Bayreuth Center for Material Science and Engineering - BayMAT
Result of work at the UBT: Yes
DDC Subjects: 000 Computer Science, information, general works
600 Technology, medicine, applied sciences
600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 19 Jun 2024 05:47
Last Modified: 19 Jun 2024 05:47
URI: https://eref.uni-bayreuth.de/id/eprint/89789