{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/7313"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/7313","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Caracterização por ensaios magnéticos não destrutivos de aços HP provenientes de fornos de reforma","abstract":"This study aims to characterize, through magnetic tests, the different aging stages to which are submitted HP austenitic steel tubes when operating in oil industry's reformer furnaces. The assumption adopted here is that aging causes microstructural transformations that modify their magnetic properties. The eddy currents technique and a permanent magnetic sensor were used for the HP steel magnetic characterization. The resulting signals, both from eddy currents and sensor were plotted on a contrast map with the purpose of showing a thorough visualization of the different regions, as well as establishing the way that the regions correlate with the material aging state.","abstract_html":"This study aims to characterize, through magnetic tests, the different aging stages to which are submitted HP austenitic steel tubes when operating in oil industry's reformer furnaces. The assumption adopted here is that aging causes microstructural transformations that modify their magnetic properties. The eddy currents technique and a permanent magnetic sensor were used for the HP steel magnetic characterization. The resulting signals, both from eddy currents and sensor were plotted on a contrast map with the purpose of showing a thorough visualization of the different regions, as well as establishing the way that the regions correlate with the material aging state.","abstract_has_math":false,"creators":["Correa, Mónica Patricia Arenas"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Rebello, João Marcos Alcoforado"],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-11","date_published":"2017-11","updated_at":"2026-07-24T01:16:24Z","subjects":["Engenharia metalúrgica e de materiais","Ensaios magnéticos","Inspeção"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/7313","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Rebello, João Marcos Alcoforado"]},{"key":"dc:creator","label":"Author","values":["Correa, Mónica Patricia Arenas"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2019-04-17T14:27:05Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:00:42Z"]},{"key":"dc:date.issued","label":"Date","values":["2017-11"]},{"key":"dc:publisher","label":"Institution","values":["Universidade Federal do Rio de Janeiro"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"]},{"key":"dc:type","label":"Dc Type","values":["Dissertação"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engenharia metalúrgica e de materiais","Ensaios magnéticos","Inspeção"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["por"]},{"key":"dc:rights","label":"Dc Rights","values":["Acesso Aberto"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11422/7313"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This study aims to characterize, through magnetic tests, the different aging stages to which are submitted HP austenitic steel tubes when operating in oil industry's reformer furnaces. The assumption adopted here is that aging causes microstructural transformations that modify their magnetic properties. The eddy currents technique and a permanent magnetic sensor were used for the HP steel magnetic characterization. The resulting signals, both from eddy currents and sensor were plotted on a contrast map with the purpose of showing a thorough visualization of the different regions, as well as establishing the way that the regions correlate with the material aging state."]},{"key":"dc:title","label":"Title","values":["Caracterização por ensaios magnéticos não destrutivos de aços HP provenientes de fornos de reforma"]}]}],"canonical_facts":{"dc:contributor.advisor":["Rebello, João Marcos Alcoforado"],"dc:creator":["Correa, Mónica Patricia Arenas"],"dc:date.accessioned":["2019-04-17T14:27:05Z"],"dc:date.available":["2026-05-16T03:00:42Z"],"dc:date.issued":["2017-11"],"dc:description.abstract":["This study aims to characterize, through magnetic tests, the different aging stages to which are submitted HP austenitic steel tubes when operating in oil industry's reformer furnaces. The assumption adopted here is that aging causes microstructural transformations that modify their magnetic properties. The eddy currents technique and a permanent magnetic sensor were used for the HP steel magnetic characterization. The resulting signals, both from eddy currents and sensor were plotted on a contrast map with the purpose of showing a thorough visualization of the different regions, as well as establishing the way that the regions correlate with the material aging state."],"dc:identifier.uri":["http://hdl.handle.net/11422/7313"],"dc:language":["por"],"dc:publisher":["Universidade Federal do Rio de Janeiro"],"dc:publisher.department":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"],"dc:rights":["Acesso Aberto"],"dc:subject":["Engenharia metalúrgica e de materiais","Ensaios magnéticos","Inspeção"],"dc:title":["Caracterização por ensaios magnéticos não destrutivos de aços HP provenientes de fornos de reforma"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:16:24Z"}