Research and Reports on Metals

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Karantzalis AE Author

akarantz@cc.uoi.gr

Subjects of specialization
Scanning electron microscopy,Phase stability,Phase stability,Microstructure

Affiliation
Department of Materials Science and Engineering, University of Ioannina, 45110, Ioannina, Greece

Biography

The evaluation of different prediction models concerning phase formation criteria in high entropy alloys is attempted in this work. High entropy alloys; Microstructure; Phase stability; Scanning electron microscopy Department of Materials Science and Engineering, University of Ioannina, 45110, Ioannina, Greece Department of Materials Science and Engineering, University of Ioannina, 45110, Ioannina, Greece

Publications

Research Article Open Access

New MoWHfZrTi Refractory High Entropy Alloy System: A Microstructural Verification of Phase Formation Criteria Approach

Author(s):

Karantzalis AE, Poulia A, Georgatis E, Petroglou D and Mathiou C

The evaluation of different prediction models concerning phase formation criteria in high entropy alloys is attempted in this work. The correlation between the theoretical data and the preliminary microstructural features of MoWHfZrTi system was used as an example to further analyse the received microstructural characteristics. Based on the obtained findings, the micro segregation in the examined system was explained in terms of atomic size difference, enthalpy values, melting temperature variations and possible effects of electronegativity as derived from the prediction models. A qualitative consideration, underlying the received microstructure based on the aforementioned evidence is formulated.

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