Investigation of a novel functionally graded material for the repair of premium hypereutectoid rails using laser cladding technology

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dc.contributor.authorLai, Qen_AU
dc.contributor.authorAbrahams, Ren_AU
dc.contributor.authorYan, Wen_AU
dc.contributor.authorQiu, Cen_AU
dc.contributor.authorMutton, PJen_AU
dc.contributor.authorParadowska, AMen_AU
dc.contributor.authorSoodi, Men_AU
dc.date.accessioned2021-02-11T01:51:12Zen_AU
dc.date.available2021-02-11T01:51:12Zen_AU
dc.date.issued2017-12-01en_AU
dc.date.statistics2021-02-08en_AU
dc.description.abstractIn this study, the effects of cladding direction, preheating and post heat treatment on microstructural and mechanical properties of laser cladded rail repairs are presented. Laser cladding of a premium hypereutectoid rails grade with 410L stainless steel powder were conducted using a fibre laser gun with a powder feeder. Two different cladding directions and different heat treatment regimes were investigated. An excellent microstructural consistency was established across the railhead and its heat affected zone (HAZ) by changing cladding direction and using a heat treatment consisting of pre-heating and post-heating. The microstructure of the cladding layer and HAZ were characterized by optical microscopy and SEM. Phase identification and distribution were investigated by using XRD, EDS, and EBSD. Indications of the mechanical and tribological performance of the cladding layer in wheel-rail contact were obtained via shear punch tests and Vickers indentation, which demonstrated great correlation with the obtained microstructure. © 2017 Published by Elsevier Ltd.en_AU
dc.identifier.citationLai, Q., Abrahams, R., Yan, W., Qiu, C., Mutton, P., Paradowska, A., & Soodi, M. (2017). Investigation of a novel functionally graded material for the repair of premium hypereutectoid rails using laser cladding technology. Composites Part B: Engineering, 130, 174-191. doi:10.1016/j.compositesb.2017.07.089en_AU
dc.identifier.issn1359-8368en_AU
dc.identifier.journaltitleComposites Part B: Engineeringen_AU
dc.identifier.pagination174-191en_AU
dc.identifier.urihttps://doi.org/10.1016/j.compositesb.2017.07.089en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10366en_AU
dc.identifier.volume130en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectCladdingen_AU
dc.subjectLasersen_AU
dc.subjectStainless steelsen_AU
dc.subjectMicrostructureen_AU
dc.subjectHeat treatmentsen_AU
dc.subjectMechanical propertiesen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectOptical microscopyen_AU
dc.titleInvestigation of a novel functionally graded material for the repair of premium hypereutectoid rails using laser cladding technologyen_AU
dc.typeJournal Articleen_AU
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