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Please use this identifier to cite or link to this item: http://hdl.handle.net/11375/25124
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dc.contributor.advisorZurob, Hatem Jr-
dc.contributor.authorFeather, Joshua Jr-
dc.date.accessioned2020-01-02T16:34:44Z-
dc.date.available2020-01-02T16:34:44Z-
dc.date.issued2019-
dc.identifier.urihttp://hdl.handle.net/11375/25124-
dc.description.abstractControlled decarburization experiments were carried out on ternary and quaternary iron alloys. The planar ferrite interfaces formed during decarburization were subsequently investigated using atom probe tomography (APT) to measure interfacial segregation. The segregation results for the Fe-Si-C, Fe-Mn-C, and Fe-Mo-C were used to improve the three-jump-model developed Zurob et al. These three systems were accurately modelled using interfacial binding energy values in agreement with the atom probe tomography results. Qualitative explanations for the modelling results of Sun et al. on the Fe-Mn-Mo-C system and Qiu et al. on the Fe-Mn-Si-C system have also been provided using the results from the atom probe tomography investigation.en_US
dc.language.isoenen_US
dc.subjectFerriteen_US
dc.subjectinterface segregationen_US
dc.subjectAusteniteen_US
dc.subjectAtom Probe Tomographyen_US
dc.titleALLOYING ELEMENT SEGREGATION AND ITS EFFECT ON THE AUSTENITE TO FERRITE TRANSFORMATIONen_US
dc.typeThesisen_US
dc.contributor.departmentMaterials Science and Engineeringen_US
dc.description.degreetypeThesisen_US
dc.description.degreeMaster of Applied Science (MASc)en_US
dc.description.layabstractControlled decarburization experiments were carried out on ternary and quaternary iron alloys. The planar ferrite interfaces formed during decarburization were subsequently investigated using atom probe tomography (APT) to measure interfacial segregation. The segregation results for the Fe-Si-C, Fe-Mn-C, and Fe-Mo-C were used to improve the three-jump-model developed Zurob et al. These three systems were accurately modelled using interfacial binding energy values in agreement with the atom probe tomography results. Qualitative explanations for the modelling results of Sun et al. on the Fe-Mn-Mo-C system and Qiu et al. on the Fe-Mn-Si-C system have also been provided using the results from the atom probe tomography investigation.en_US
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