{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/69734"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/69734","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Experimental and Theoretical Investigations of Electrode Shape Change Taking Place During Pitting Corrosion of Iron","abstract":"The present study included experimental measurements of corrosion pit shapes and theoretical calculations on the effect of pit shape on the mass transport of dissolved metal ions within pits. The system studied was pure iron in 1N H(,2)SO(,4) containing small amounts of chloride ion.","abstract_html":"The present study included experimental measurements of corrosion pit shapes and theoretical calculations on the effect of pit shape on the mass transport of dissolved metal ions within pits. The system studied was pure iron in 1N H(,2)SO(,4) containing small amounts of chloride ion.","abstract_has_math":false,"creators":["Reiser, David Bruce"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Chemical Engineering","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-15T19:54:11Z","date_published":"2014-12-15T19:54:11Z","updated_at":"2026-07-22T22:26:01Z","subjects":["Engineering, Chemical"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8324629"],"render_values":[{"text":"(UMI)AAI8324629","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/69734","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Reiser, David Bruce"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-15T19:54:11Z","10000-01-01","1983"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering, Chemical"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/69734","(UMI)AAI8324629"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The present study included experimental measurements of corrosion pit shapes and theoretical calculations on the effect of pit shape on the mass transport of dissolved metal ions within pits. The system studied was pure iron in 1N H(,2)SO(,4) containing small amounts of chloride ion.","Photogrammetric analysis was applied to stereo SEM micrographs of pits having diameters from 7 to 200 micrometers. Pit cross sections obtained from the analysis indicated that pits grew with a hemispherical shape up to a radius of 25 micrometers before evolving into forms which were shallower than hemispheres.","The finite element method was used to solve the steady-state convective-diffusion equation in the electrolyte phase in two-dimensional pits having width-to-depth ratios from 4 to 1/2. Boundary conditions included either a constant metal ion concentration or a constant ionic flux at the active pit surface. The resulting concentration fields obtained were used to predict the critical conditions of electrolyte flow, pit size, and pitting current density which would result in removal of corrosion products from the pits. The ability to compute mass transport rates inside individual multidimensional pits enables evaluation of various hypotheses of pitting corrosion mechanisms.","Made available in DSpace on 2014-12-15T19:54:11Z (GMT). No. of bitstreams: 1 8324629.pdf: 4762144 bytes, checksum: 2d5601db1f5bd9a03637bad9d3dd092f (MD5) Previous issue date: 1983","Embargo set by: Seth Robbins for item 69900 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","169 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1983."]},{"key":"dc:title","label":"Title","values":["Experimental and Theoretical Investigations of Electrode Shape Change Taking Place During Pitting Corrosion of Iron"]}]}],"canonical_facts":{"dc:creator":["Reiser, David Bruce"],"dc:date":["2014-12-15T19:54:11Z","10000-01-01","1983"],"dc:description":["The present study included experimental measurements of corrosion pit shapes and theoretical calculations on the effect of pit shape on the mass transport of dissolved metal ions within pits. The system studied was pure iron in 1N H(,2)SO(,4) containing small amounts of chloride ion.","Photogrammetric analysis was applied to stereo SEM micrographs of pits having diameters from 7 to 200 micrometers. Pit cross sections obtained from the analysis indicated that pits grew with a hemispherical shape up to a radius of 25 micrometers before evolving into forms which were shallower than hemispheres.","The finite element method was used to solve the steady-state convective-diffusion equation in the electrolyte phase in two-dimensional pits having width-to-depth ratios from 4 to 1/2. Boundary conditions included either a constant metal ion concentration or a constant ionic flux at the active pit surface. The resulting concentration fields obtained were used to predict the critical conditions of electrolyte flow, pit size, and pitting current density which would result in removal of corrosion products from the pits. The ability to compute mass transport rates inside individual multidimensional pits enables evaluation of various hypotheses of pitting corrosion mechanisms.","Made available in DSpace on 2014-12-15T19:54:11Z (GMT). No. of bitstreams: 1 8324629.pdf: 4762144 bytes, checksum: 2d5601db1f5bd9a03637bad9d3dd092f (MD5) Previous issue date: 1983","Embargo set by: Seth Robbins for item 69900 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","169 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1983."],"dc:identifier":["http://hdl.handle.net/2142/69734","(UMI)AAI8324629"],"dc:subject":["Engineering, Chemical"],"dc:title":["Experimental and Theoretical Investigations of Electrode Shape Change Taking Place During Pitting Corrosion of Iron"],"dc:type":["text"],"thesis:degree_discipline":["Chemical Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:01Z"}