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| PREPARATION OF (Ti, Al)N/Ti2AlN COATINGS |
| DONG Yuliang; YAN Xubo; ZHAO Shengsheng; GONG Jun; SUN Chao |
| State Key Laboratory for Corrosion and Protection; Institute of Metal Research; Chinese Academy of Sciences; Shenyang 110016\ |
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Cite this article:
DONG Yuliang YAN Xubo ZHAO Shengsheng GONG Jun SUN Chao. PREPARATION OF (Ti, Al)N/Ti2AlN COATINGS. Acta Metall Sin, 2010, 46(6): 743-747.
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Abstract Ti–Al–N coatings with different Ti, Al and N contents were deposited on 1Cr18Ni9Ti stainless steel substrate by vacuum cathode arc ion plating (AIP) method and the as–deposited coatings were annealed under different conditions. The compositions and phases in the as–deposited coatings were lso analyzed and compared. The XRD results showed that the composition of the coatings could be controlled by changing the deposition parameters and dstinct Ti2AlN phase existed in the annealed coatings. The Ti2AlN phase could not appear unless the annealing temperature reached 650 ℃. The reactions during the annealing process can be descrbed as AlTi3N+5Al→TiN+2Al3Ti and AlTi3N+3Al→Ti2AlN+Al3Ti. The content of Ti2AlN phase increased slightly by extending the annealing time. The surface morphology and composition of he annealed coating were analyzed by SEM and the friction coefficient of the coating was measured.
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Received: 12 November 2009
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