Oxidation Kinetics of Superplastic Stainless Steel

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Abstract:

Superplastic forming provides significant industrial application for forming complicated, lightweight components of aerospace propulsion application. Since superplastic forming process is a function of temperature, time, applied pressure and contact condition of the matched surfaces, the oxidation is one of the concerned subjects. In the present work, the oxidation behavior of UNS31803 was studied in superplastic forming atmosphere. It is shown that the Pieraggi model is successfully applied to the high temperature oxidation of this alloy. The effective activation energy of the oxidation is 399 KJ/mol at this condition.

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Periodical:

Advanced Materials Research (Volumes 430-432)

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458-461

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January 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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