Corrosion of Austenitic Stainless Steel

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dc.contributor.authorTuran, Josh
dc.contributor.departmentChalmers tekniska högskola / Institutionen för kemi och kemitekniksv
dc.contributor.departmentChalmers University of Technology / Department of Chemistry and Chemical Engineeringen
dc.date.accessioned2019-07-03T14:58:57Z
dc.date.available2019-07-03T14:58:57Z
dc.date.issued2018
dc.description.abstractThis thesis work focuses on the corrosion behaviour of austenitic stainless steel welds in chloride containing environments. The initial aim was to develop a new method for corrosion testing of welded austenitic stainless steel. The motivation for such work was that previous results indicated that the current accelerated corrosion tests are too harsh for these welds. The specific application is for a stainless steel automotive fuel tank that is being investigated as a possible alternative to the standard plastic fuel tank. For this study, lab-welded samples of 304L and 301 stainless steel were provided by Outokumpu for accelerated corrosion testing. The corrosion mechanisms of most concern were stress corrosion cracking and intergranular corrosion. Three different accelerated corrosion test (ACT) cycles were used. These included two standard Volvo Cars cycles and one new experimental cycle. Chloride environments containing NaCl and a mixture of NaCl and CaCl2 were included. Lastly, an ASTM standard for stress corrosion cracking of stainless steel was utilized. Results showed that the lab-welded samples were corrosion resistant under all conditions due to excellent weld quality. The two different chloride environments did not show significant differences in corrosive attack.
dc.identifier.urihttps://hdl.handle.net/20.500.12380/256506
dc.language.isoeng
dc.setspec.uppsokPhysicsChemistryMaths
dc.subjectKemi
dc.subjectKemiteknik
dc.subjectChemical Sciences
dc.subjectChemical Engineering
dc.titleCorrosion of Austenitic Stainless Steel
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster Thesisen
dc.type.uppsokH
local.programmeAdvanced engineering materials, MSc
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