{"id":{"repo_id":"utc","oai_identifier":"oai:scholar.utc.edu:theses-1884"},"canonical_url":"https://search.dev.ndltd.org/etd/utc/oai:scholar.utc.edu:theses-1884","repository":{"repo_id":"utc","name":"University of Tennessee - Chattanooga","base_url":"https://scholar.utc.edu/do/oai/"},"display":{"title":"Corrosion modeling of magnesium-based medical implants","abstract":"Biodegradable metals have been under significant research as alternatives to the nonbiodegradable materials in the field of medical implants. In this scope, magnesium and its alloys were widely investigated due to their superior biocompatibility. However, magnesium is a highly active metal and has a high corrosion rate in aqueous environments especially body fluids. Considerable research was done to develop numerical models towards an inexpensive designing tool to assess the change of the implant’s geometry and mechanical strength during degradation. To the best of our knowledge, the effect of coating was not investigated before in the literature in terms of modeling the corrosion behavior. In this work, a 2D finite element model is introduced to calibrate a diffusion-controlled corrosion model in high purity magnesium whilst investigating the effect of adding the coating layer numerically. In vitro corrosion tests and solubility tests, were conducted to calibrate the model for the first time.","abstract_html":"Biodegradable metals have been under significant research as alternatives to the nonbiodegradable materials in the field of medical implants. In this scope, magnesium and its alloys were widely investigated due to their superior biocompatibility. However, magnesium is a highly active metal and has a high corrosion rate in aqueous environments especially body fluids. Considerable research was done to develop numerical models towards an inexpensive designing tool to assess the change of the implant’s geometry and mechanical strength during degradation. To the best of our knowledge, the effect of coating was not investigated before in the literature in terms of modeling the corrosion behavior. In this work, a 2D finite element model is introduced to calibrate a diffusion-controlled corrosion model in high purity magnesium whilst investigating the effect of adding the coating layer numerically. In vitro corrosion tests and solubility tests, were conducted to calibrate the model for the first time.","abstract_has_math":false,"creators":["Abdalla, Moataz"],"institution":"University of Tennessee at Chattanooga","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Ibrahim, Hamdy","Margraves, Charles H.; Mahtabi Oghani, Mohammad Javad, 1982-","College of Engineering and Computer Science"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2022,"date_issued":"2022-05-31T07:00:00Z","date_published":"2022-05-31T07:00:00Z","updated_at":"2026-07-24T05:47:06Z","subjects":["Biodegradable products","Corrosion","Finite element method","Mathematical models","Orthopedic implants"],"languages":["English","eng"],"rights":[],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[]},"links":{"outbound_url":"https://scholar.utc.edu/theses/704","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Ibrahim, Hamdy","Margraves, Charles H.; Mahtabi Oghani, Mohammad Javad, 1982-","College of Engineering and Computer Science"]},{"key":"dc:creator","label":"Author","values":["Abdalla, Moataz"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2021-05-01T07:00:00Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2022-05-31T07:00:00Z"]},{"key":"dc:publisher","label":"Institution","values":["University of Tennessee at Chattanooga","Chattanooga (Tenn.)"]},{"key":"dc:relation","label":"Dc Relation","values":["Masters Theses and Doctoral Dissertations"]},{"key":"dc:type","label":"Dc Type","values":["Masters theses","Text"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Biodegradable products","Corrosion","Finite element method","Mathematical models","Orthopedic implants"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://scholar.utc.edu/theses/704"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Dept. of Mechanical Engineering","M. S.; A thesis submitted to the faculty of the University of Tennessee at Chattanooga in partial fulfillment of the requirements of the degree of Master of Science."]},{"key":"dc:description.abstract","label":"Abstract","values":["Biodegradable metals have been under significant research as alternatives to the nonbiodegradable materials in the field of medical implants. In this scope, magnesium and its alloys were widely investigated due to their superior biocompatibility. However, magnesium is a highly active metal and has a high corrosion rate in aqueous environments especially body fluids. Considerable research was done to develop numerical models towards an inexpensive designing tool to assess the change of the implant’s geometry and mechanical strength during degradation. To the best of our knowledge, the effect of coating was not investigated before in the literature in terms of modeling the corrosion behavior. In this work, a 2D finite element model is introduced to calibrate a diffusion-controlled corrosion model in high purity magnesium whilst investigating the effect of adding the coating layer numerically. In vitro corrosion tests and solubility tests, were conducted to calibrate the model for the first time."]},{"key":"dc:title","label":"Title","values":["Corrosion modeling of magnesium-based medical implants"]}]}],"canonical_facts":{"dc:contributor":["Ibrahim, Hamdy","Margraves, Charles H.; Mahtabi Oghani, Mohammad Javad, 1982-","College of Engineering and Computer Science"],"dc:creator":["Abdalla, Moataz"],"dc:date":["2021-05-01T07:00:00Z"],"dc:date.available":["2022-05-31T07:00:00Z"],"dc:description":["Dept. of Mechanical Engineering","M. S.; A thesis submitted to the faculty of the University of Tennessee at Chattanooga in partial fulfillment of the requirements of the degree of Master of Science."],"dc:description.abstract":["Biodegradable metals have been under significant research as alternatives to the nonbiodegradable materials in the field of medical implants. In this scope, magnesium and its alloys were widely investigated due to their superior biocompatibility. However, magnesium is a highly active metal and has a high corrosion rate in aqueous environments especially body fluids. Considerable research was done to develop numerical models towards an inexpensive designing tool to assess the change of the implant’s geometry and mechanical strength during degradation. To the best of our knowledge, the effect of coating was not investigated before in the literature in terms of modeling the corrosion behavior. In this work, a 2D finite element model is introduced to calibrate a diffusion-controlled corrosion model in high purity magnesium whilst investigating the effect of adding the coating layer numerically. In vitro corrosion tests and solubility tests, were conducted to calibrate the model for the first time."],"dc:identifier":["https://scholar.utc.edu/theses/704"],"dc:language":["English","eng"],"dc:publisher":["University of Tennessee at Chattanooga","Chattanooga (Tenn.)"],"dc:relation":["Masters Theses and Doctoral Dissertations"],"dc:rights":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:subject":["Biodegradable products","Corrosion","Finite element method","Mathematical models","Orthopedic implants"],"dc:title":["Corrosion modeling of magnesium-based medical implants"],"dc:type":["Masters theses","Text"]},"updated_at":"2026-07-24T05:47:06Z"}