On low temperature bainite transformation characteristics using in-situ neutron diffraction and atom probe tomography

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dc.contributor.authorRakha, Ken_AU
dc.contributor.authorBeladi, Hen_AU
dc.contributor.authorTimokhina, Ien_AU
dc.contributor.authorKabra, Sen_AU
dc.contributor.authorLiss, KDen_AU
dc.contributor.authorHodgson, Pen_AU
dc.date.accessioned2016-10-19T04:24:23Zen_AU
dc.date.available2016-10-19T04:24:23Zen_AU
dc.date.issued2014-01-01en_AU
dc.description.abstractIn-situ neutron diffraction was employed to monitor the evolution of nano-bainitic ferrite during low temperature isothermal heat treatment of austenite. The first 10 peaks (austenite, γ and ferrite, α) were monitored during austenization, homogenisation, rapid cooling and isothermal holding at 573 K. Changes in the α-110 and γ-111 peaks were analysed to determine the volume fraction changes and hence the kinetics of the phase transformation. Asymmetry and broadening in the α-200 and γ-200 peaks were quantified to lattice parameter changes due to carbon redistribution as well as the effects of size and dislocation density. Atom Probe Tomography was then used to confirm that, despite the presence of 1.5 mass% Si, carbide formation was evident. This carbide formation is the cause of poor ductility, which is lower than expected in such steels. © 2013, Elsevier B.V.en_AU
dc.identifier.citationRakha, K., Beladi, H., Timokhina, I., Xiong, X., Kabra, S., Liss, K.-D., & Hodgson, P. (2014). On low temperature bainite transformation characteristics using in-situ neutron diffraction and atom probe tomography. Materials Science and Engineering: A, 589, 303-309. doi:10.1016/j.msea.2013.09.055en_AU
dc.identifier.govdoc7366en_AU
dc.identifier.issn0921-5093en_AU
dc.identifier.journaltitleMaterials Science and Engineering: Aen_AU
dc.identifier.pagination303-309en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.msea.2013.09.055en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/7802en_AU
dc.identifier.volume589en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectSteelsen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectHomogenization methodsen_AU
dc.subjectIsothermal processesen_AU
dc.subjectAusteniteen_AU
dc.subjectCarbonen_AU
dc.titleOn low temperature bainite transformation characteristics using in-situ neutron diffraction and atom probe tomographyen_AU
dc.typeJournal Articleen_AU
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