The Effect of Coatings on the Cyclic Oxidation Behaviour of Ti6Al4V at 750°C

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Abstract:

For improvement of the cyclic oxidation resistance of the Ti6Al4V alloy, multi-layered Ti50Al50N/Ti70Al30N and mono-layered Ti60Al30Si10N were deposited on the alloy. It has been found that both coatings provide an effective protection for substrate alloy and the cyclic oxidation resistance of the TiAlSiN coating is better. After cyclic oxidation, it has been found that N diffused into the substrate alloy.

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Advanced Materials Research (Volumes 393-395)

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428-435

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November 2011

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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