{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/34397"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/34397","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"On the modeling of rolling: a special look at edge cracking","abstract":"Large amounts of rolled sheet and strip production are reworked yearly due to defects that include edge cracking. In an effort to understand the mechanism and causes of edge cracking during rolling a finite element model was used. These models utilized the commercial package ABAQUS and its built in automatic mass scaling scheme. A subroutine (VUMAT) was developed to provide for rate dependent elasto-viscoplastic response and evolution of damage. Results of the model and damage are presented for differing lay-on temperatures, width to thickness ratios, edge shapes, frictional values, and asymmetric rolling. In addition, tips on modeling rolling and secondary tensile stresses are discussed.","abstract_html":"Large amounts of rolled sheet and strip production are reworked yearly due to defects that include edge cracking. In an effort to understand the mechanism and causes of edge cracking during rolling a finite element model was used. These models utilized the commercial package ABAQUS and its built in automatic mass scaling scheme. A subroutine (VUMAT) was developed to provide for rate dependent elasto-viscoplastic response and evolution of damage. Results of the model and damage are presented for differing lay-on temperatures, width to thickness ratios, edge shapes, frictional values, and asymmetric rolling. In addition, tips on modeling rolling and secondary tensile stresses are discussed.","abstract_has_math":false,"creators":["Halm, Katherine"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Mechanical Engineering","degree_department":null,"school":null,"contributors":["Beaudoin, Armand J."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2012,"date_issued":"2012-09-18T21:15:01Z","date_published":"2012-09-18T21:15:01Z","updated_at":"2026-07-22T22:25:31Z","subjects":["Rolling","Edge Cracking","Finite Element Analysis","automatic mass scaling"],"languages":["en"],"rights":["Copyright 2012 Katherine Halm"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/34397","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Beaudoin, Armand J."]},{"key":"dc:creator","label":"Author","values":["Halm, Katherine"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2012-09-18T21:15:01Z","2012-08"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"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":["Rolling","Edge Cracking","Finite Element Analysis","automatic mass scaling"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2012 Katherine Halm"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/34397"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Large amounts of rolled sheet and strip production are reworked yearly due to defects that include edge cracking. In an effort to understand the mechanism and causes of edge cracking during rolling a finite element model was used. These models utilized the commercial package ABAQUS and its built in automatic mass scaling scheme. A subroutine (VUMAT) was developed to provide for rate dependent elasto-viscoplastic response and evolution of damage. Results of the model and damage are presented for differing lay-on temperatures, width to thickness ratios, edge shapes, frictional values, and asymmetric rolling. In addition, tips on modeling rolling and secondary tensile stresses are discussed.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2012-07-19T18:56:10Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 1 Halm_Katherine.pdf: 4881189 bytes, checksum: 3c2cce08e290d2f8ce05d7a4a7216cea (MD5)","Made available in DSpace on 2012-09-18T21:15:01Z (GMT). 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