Solid-state phase equilibria in the Titanium-Aluminum-Nitrogen system |
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| Authors: | Y. S. Han K. B. Kalmykov S. F. Dunaev A. I. Zaitsev |
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| Affiliation: | (1) State Key Lab for Powder Metallurgy, Central South University, 410083 Changsha, Hunan, People’s Republic of China;(2) Innovative Materials Group, Universit?t Wien, 1090 Wien, Austria;(3) CEST–Center of Electrochemical Surface Technology, 2700 Wr. Neustadt, Austria; |
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| Abstract: | The 1273K 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 agreement and in harmony with the results of thermodynamic calculations. It has been reliably established that AIN can coexist with TiN1−x , Ti2AIN, and TiAl3; the ternary nitride Ti2AIN can be in equilibrium with TiAl3, AIN, TiAl2, TiAl, TiN1−x , and Ti3AIN; the solid solution based on α(Ti) coexists with Ti3Al, Ti3AIN, TiN1−x , 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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