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2018 | OriginalPaper | Chapter

Thermo-Calc of the Phase Diagrams of the Nb-N System

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Abstract

In this work, Thermo-Calc software was used to produce the temperature-N mass percent phase diagram and Gibbs free energy of all obtained phases for the Nb-N system. Two solid single stable phases were observed which are the fcc δ-NbN1–x and hexagonal β-Nb2N, in addition to bcc α-NbN solid solution. Mixed solid stable phases obtained are α-NbN + β-Nb2N and β-Nb2N + δ-NbN1–x. Gas and liquid phases were observed as single phases and mixed with each other or with solid phases. These phases are interesting and they have several technological applications in superconducting microdevices, microelectronic, catalytic probes, and hard coatings. The different phases and their constituents are thoroughly discussed.

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Metadata
Title
Thermo-Calc of the Phase Diagrams of the Nb-N System
Author
Shadia J. Ikhmayies
Copyright Year
2018
DOI
https://doi.org/10.1007/978-3-319-72526-0_71

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