{"id":{"repo_id":"york","oai_identifier":"oai:yorkspace.library.yorku.ca:10315/35580"},"canonical_url":"https://search.dev.ndltd.org/etd/york/oai:yorkspace.library.yorku.ca:10315/35580","repository":{"repo_id":"york","name":"York University","base_url":"https://yorkspace.library.yorku.ca/oai/request"},"display":{"title":"Thermal Fe Analysis of Powder Bed Fusion Process: Power Input Evaluation and Parameter Sensitivity","abstract":"We investigated the thermal behavior of the powder bed fusion (PBF) manufacturing process. Specifically, a finite element thermal analysis procedure was developed to simulate selective laser melting, one of several PBF processes available on the market. The primary objective was to study how selected parameters of the PBF process affect temperature distributions, since a high temperature gradient and cooling rate are associated with residual stress and deformation in the built part. Since it was difficult to devise an analytical solution for this transient thermal problem, commercially available finite element analysis software, Abaqus, was employed. Sensitivity analysis was undertaken to analyze the impact of powder diameter, packing density, and substrate temperature on the overall temperature distributions. Finally, verification and validation were performed via experimental setup and data from the literature. The samples built were characterized by residual stress measurements, porosity, and relative density to further validate the model.","abstract_html":"We investigated the thermal behavior of the powder bed fusion (PBF) manufacturing process. Specifically, a finite element thermal analysis procedure was developed to simulate selective laser melting, one of several PBF processes available on the market. The primary objective was to study how selected parameters of the PBF process affect temperature distributions, since a high temperature gradient and cooling rate are associated with residual stress and deformation in the built part. Since it was difficult to devise an analytical solution for this transient thermal problem, commercially available finite element analysis software, Abaqus, was employed. Sensitivity analysis was undertaken to analyze the impact of powder diameter, packing density, and substrate temperature on the overall temperature distributions. Finally, verification and validation were performed via experimental setup and data from the literature. The samples built were characterized by residual stress measurements, porosity, and relative density to further validate the model.","abstract_has_math":false,"creators":["Moraes, Diego Augusto De"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Czekanski, Alex"],"committee_chairs":[],"committee_members":[],"year":2018,"date_issued":"2018-11-21","date_published":"2018-11-21","updated_at":"2026-07-24T06:33:51Z","subjects":["Mechanical engineering"],"languages":["en"],"rights":["Author owns copyright, except where explicitly noted. Please contact the author directly with licensing requests."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10315/35580","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Czekanski, Alex"]},{"key":"dc:creator","label":"Author","values":["Moraes, Diego Augusto De"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2018-11-21T13:55:58Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2018-11-21T13:55:58Z"]},{"key":"dc:date.issued","label":"Date","values":["2018-11-21"]},{"key":"dc:type","label":"Dc Type","values":["Electronic Thesis or Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Mechanical engineering"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Author owns copyright, except where explicitly noted. Please contact the author directly with licensing requests."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10315/35580"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["We investigated the thermal behavior of the powder bed fusion (PBF) manufacturing process. Specifically, a finite element thermal analysis procedure was developed to simulate selective laser melting, one of several PBF processes available on the market. The primary objective was to study how selected parameters of the PBF process affect temperature distributions, since a high temperature gradient and cooling rate are associated with residual stress and deformation in the built part. Since it was difficult to devise an analytical solution for this transient thermal problem, commercially available finite element analysis software, Abaqus, was employed. Sensitivity analysis was undertaken to analyze the impact of powder diameter, packing density, and substrate temperature on the overall temperature distributions. Finally, verification and validation were performed via experimental setup and data from the literature. The samples built were characterized by residual stress measurements, porosity, and relative density to further validate the model."]},{"key":"dc:title","label":"Title","values":["Thermal Fe Analysis of Powder Bed Fusion Process: Power Input Evaluation and Parameter Sensitivity"]}]}],"canonical_facts":{"dc:contributor.advisor":["Czekanski, Alex"],"dc:creator":["Moraes, Diego Augusto De"],"dc:date.accessioned":["2018-11-21T13:55:58Z"],"dc:date.available":["2018-11-21T13:55:58Z"],"dc:date.issued":["2018-11-21"],"dc:description.abstract":["We investigated the thermal behavior of the powder bed fusion (PBF) manufacturing process. Specifically, a finite element thermal analysis procedure was developed to simulate selective laser melting, one of several PBF processes available on the market. The primary objective was to study how selected parameters of the PBF process affect temperature distributions, since a high temperature gradient and cooling rate are associated with residual stress and deformation in the built part. Since it was difficult to devise an analytical solution for this transient thermal problem, commercially available finite element analysis software, Abaqus, was employed. Sensitivity analysis was undertaken to analyze the impact of powder diameter, packing density, and substrate temperature on the overall temperature distributions. Finally, verification and validation were performed via experimental setup and data from the literature. The samples built were characterized by residual stress measurements, porosity, and relative density to further validate the model."],"dc:identifier.uri":["http://hdl.handle.net/10315/35580"],"dc:language.iso":["en"],"dc:rights":["Author owns copyright, except where explicitly noted. Please contact the author directly with licensing requests."],"dc:subject":["Mechanical engineering"],"dc:title":["Thermal Fe Analysis of Powder Bed Fusion Process: Power Input Evaluation and Parameter Sensitivity"],"dc:type":["Electronic Thesis or Dissertation"]},"updated_at":"2026-07-24T06:33:51Z"}