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Title: Oxidation behavior of sensitized AISI 310 steel in KNO3 and K2CO3 at 1123 K
Authors: Mohd Misbahul, Amin, Assoc. Prof.
Che Mohd Ruzaidi, Ghazali, Assoc. Prof.
Amin, N.
Keywords: AISI-310 steel;K2CO3;KNO3;Oxidation;Scales;International Conference on Processing Materials for Properties 2008;PMP 2008
Issue Date: 7-Dec-2009
Publisher: The Minerals, Metals and Materials Society
Citation: p.77-82
Series/Report no.: Proceedings of the 3rd International Conference on Processing Materials for Properties (PMP III) 2009
Abstract: Sometimes the operating temperature is such that the stainless steel can become sensitized, i.e. chromium carbide can precipitate at grain boundaries. The behavior of sensitized stainless steel is quite different from that of the solution-treated stainless steels in corrosive environments. The oxidation behavior of sensitized austenitic AISI 310 stainless steel were carried out in KNO3 and K2CO3 at 1123 K. The oxidation rate was appreciably higher as well as the alloy severely attacked by nitrate & carbonate salts due to evolution of nitrogenous and CO2 gases respectively. The decomposition of nitrate and carbonate takes place leading to passivity break down, resulting evolution of gases. The microstructural evolution and chemical analysis of the oxide films grown by oxidation were performed by SEM and EDX.
Description: Link to publisher's homepage at http://www.tms.org/Meetings/specialty/pmp08/Home.html
URI: http://hdl.handle.net/123456789/8475
ISBN: 978-1-6156-7423-7
Appears in Collections:Conference Papers

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