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Memorial University - Electronic Theses and Dissertations 4
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Document Description
TitleA study of the pitting behavior of 316L as-welded stainless steel joints in FeCI₃ solution
AuthorBursey, David.
DescriptionThesis (M.Eng.)--Memorial University of Newfoundland, 2009. Engineering and Applied Science
Paginationx, 79 leaves : ill. (chiefly col.)
SubjectOxidation; Pipe joints; Stainless steel--Corrosion; Stainless steel--Welding;
Degree GrantorMemorial University of Newfoundland. Faculty of Engineering and Applied Science
DisciplineEngineering and Applied Science
NotesIncludes bibliographical references (leaves 51-55)
Abstract316L stainless steels are widely used throughout industry in potable water systems for their corrosion resistance. Welding of this material introduces a number of variables that can reduce the corrosion resistance and make the material subject to pitting corrosion. One such variable is the heat tint oxide that is produced during the welding process. This chromium rich layer is considered to be incoherent exposing the chromium depleted, and hence less resistant material to potentially corrosive environment. Literature suggests the pitting resistance of tinted material decreases with an increase in heat tint oxidation. The aim of this study was to test this correlation by producing welded samples with different degrees of heat tint and subject them to ASTM G48 Method A for pitting and crevice corrosion resistance. While the expected trend was not observed within the time frame of the experiments, important inferences on the pitting behavior of heat tinted stainless steel were made.
FormatImage/jpeg; Application/pdf
SourcePaper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries
Local Identifiera3242409
RightsThe author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission.
CollectionElectronic Theses and Dissertations
Scanning StatusCompleted
PDF File(8.67 MB) --
CONTENTdm file name111741.cpd