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Alkire, Richard C. Webb, Eric Geoffrey 2015-09-25T20:43:06Z 2015-09-25T20:43:06Z 10000-01-01 2001 2001 Mathematical modeling was used to simulate the dissolution of a single MnS inclusion within a microelectrochemical cell. The model allowed for the evaluation of the hypothesis of mechanism of pit initiation based a critical concentration of thiosulfate which results in depassivation of the stainless steel. The model supported the view that local acidification occurs after the initiation of pitting rather than trigger initiation. In addition, the model supported the hypothesis that pit initiation occurs due to the accumulation of an aggressive dissolved sulfur species, such as thiosulfate, as a result of inclusion dissolution. Critical pitting potentials were predicted based on a critical thiosulfate concentration and compared to experimentally measured values at single inclusions. Made available in DSpace on 2015-09-25T20:43:06Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3017247.pdf: 6767216 bytes, checksum: 4e40a5c39ddf7844ca4679e9406cf8bd (MD5) Previous issue date: 2001 Embargo set by: Seth Robbins for item 83612 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 189 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2001. http://hdl.handle.net/2142/82331 (MiAaPQ)AAI3017247 eng Engineering, Chemical Experimental and Numerical Studies of Single Manganese Sulfide Inclusions in Stainless Steel During Initiation of Pitting Corrosion text Chemical Engineering Chemical Engineering University of Illinois at Urbana-Champaign Dissertation Ph.D.