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Corrosion behaviour of direct current and active screen plasma carburised AISI 316 stainless steel in boiling sulphuric acid solutions

Corujeira Gallo, S and Dong, H 2011, Corrosion behaviour of direct current and active screen plasma carburised AISI 316 stainless steel in boiling sulphuric acid solutions, Corrosion engineering, science and technology, vol. 46, no. 1, pp. 8-16, doi: 10.1179/147842208X356866.

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Title Corrosion behaviour of direct current and active screen plasma carburised AISI 316 stainless steel in boiling sulphuric acid solutions
Author(s) Corujeira Gallo, SORCID iD for Corujeira Gallo, S orcid.org/0000-0002-7305-2931
Dong, H
Journal name Corrosion engineering, science and technology
Volume number 46
Issue number 1
Start page 8
End page 16
Total pages 9
Publisher Taylor & Francis
Place of publication Abingdon, Eng.
Publication date 2011-02
ISSN 1478-422X
1743-2782
Keyword(s) Active screen
Plasma carburising
Austenitic stainless steel
Corrosion
Sulphuric acid
Summary Active screen plasma is a recently developed plasma surface alloying technique, which has shown potential for addressing some drawbacks associated with conventional direct current plasma processes. In this study, the corrosion performance of untreated, direct current and active screen plasma carburised AISI 316 was investigated by immersion in a boiling solution of sulphuric acid. The experimental results show that the corrosion behaviour of expanded austenite produced by low temperature plasma carburising is controlled by the type and density of surface defects; the corrosion properties of the active screen plasma carburised material are superior to that produced by direct current plasma because of the significantly reduced edge effect and surface defects; and the bias level used in the active screen carburising treatment has a profound effect on the corrosion performance of the material. Based on the experimental results, the corrosion mechanisms involved are discussed.
Language eng
DOI 10.1179/147842208X356866
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 869999 Manufacturing not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2011, Taylor & Francis
Persistent URL http://hdl.handle.net/10536/DRO/DU:30088204

Document type: Journal Article
Collection: Institute for Frontier Materials
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