Solid-State Phase Equilibria in the Titanium-Aluminum-Nitrogen System

The 1273 K isothermal section of the Ti-Al-N phase diagram was studied using modern methods of physical and chemical analyses. The data obtained by various techniques are in good agree-ment and in harmony with the results of thermodynamic calculations. It has been reliably established that AlN can c...

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Published inJournal of phase equilibria and diffusion Vol. 25; no. 5; pp. 427 - 436
Main Authors Han, Y.S., Kalmykov, K.B., Dunaev, S.F., Zaitsev, A.I.
Format Journal Article
LanguageEnglish
Published 01.10.2004
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Summary:The 1273 K isothermal section of the Ti-Al-N phase diagram was studied using modern methods of physical and chemical analyses. The data obtained by various techniques are in good agree-ment and in harmony with the results of thermodynamic calculations. It has been reliably established that AlN can coexist with TiN(1ULx), Ti2AlN, and TiAl3; the ternary nitride Ti2AlN can be in equilibrium with TiAl3, AlN, TiAl2, TiAl, TiN(1ULx), and Ti3AlN; the solid solution based on a(Ti) coexists with Ti3Al, Ti3AlN, TiN(1ULx), and Ti2N. Literature data on phase equilibria in the Ti-Al-N system were analyzed, and a 1273 K isothermal section of the phase diagram has been suggested.
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ISSN:1547-7037
DOI:10.1361/15477030420917