at Google ScholarTitle data
Hartbauer, Michelle ; Daoud, Haneen ; Scherm, Florian ; Glatzel, Uwe:
Fe/Al and Ni/Al coatings – composition and intermetallic formation.
In: Surface Engineering.
(2025)
.
ISSN 1743-2944
DOI: https://doi.org/10.1177/02670844251380471
Abstract in another language
The demand for durable, oxidation-resistant coatings for high-temperature tooling requires an understanding of intermetallic phase formation and thermal stability. Intermetallic coatings are being explored more for use in high-temperature and chemically aggressive applications. The effect of thermal treatment on Fe/Al and Ni/Al coatings deposited by thermal spraying on grey cast iron substrates was investigated with emphasis on composition, microstructure and intermetallic phase formation. Annealing experiments at different temperatures provided insight into solid state diffusion processes. During annealing, interdiffusion between the coating and substrate components led to the formation of homogeneous intermetallic phases on the surface. The results showed that both chemical composition and annealing parameters influence the hardness of thermally sprayed coatings. Temperature and duration were found to have a significant effect on intermetallic phase formation. For Fe/Al coatings, annealing at 700°C resulted in the formation of FeAl and Fe3Al intermetallic compounds, whereas at 1000°C only the FeAl phase remained. In Ni/Al coatings, annealing at 700°C resulted in the formation of multiple phases, including Ni3Al, NiAl, and Ni2Al3, while at 1000°C only the NiAl phase was present. Optimization of thermal treatment processes can significantly improve the mechanical and chemical properties of coatings, making them suitable for a wide range of applications in industries.
Further data
| Item Type: | Article in a journal |
|---|---|
| Refereed: | Yes |
| 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: | 24 Oct 2025 09:59 |
| Last Modified: | 24 Oct 2025 09:59 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/95004 |