Anomalous precursive behaviour for the martensitic material Ni 0.625 Al 0.375

dc.contributor.authorFinlayson, TRen_AU
dc.contributor.authorDanilkin, SAen_AU
dc.contributor.authorStuder, AJen_AU
dc.contributor.authorWhitfield, REen_AU
dc.date.accessioned2021-10-15T00:48:08Zen_AU
dc.date.available2021-10-15T00:48:08Zen_AU
dc.date.issued2011-02-02en_AU
dc.date.statistics2021-09-07en_AU
dc.description.abstractNixAl1-x alloys for 0.615 < x < 0.64 undergo a martensitic transformation upon cooling from a CsCl-type structure to a pseudo-orthorhombic structure [1]. The transformation temperature is extremely composition dependent [2] and for Ni0.625Al0.375 is ~ 80 K [1]. In previous research using an approximate cube of single crystal having x = 0.625 [3], significant strain anisotropy was detected above 80 K. It was suggested that this anomalous strain anisotropy indicated the presence of a martensite precursor within the cubic “parent” phase. The aim of the current research project is to investigate the precursive structural behaviour in the above Ni0.625Al0.375 single crystal using both elastic and inelastic neutron scattering. Results from initial experiments at both the Wombat and Taipan instruments at the Opal Research Reactor will be presented and discussed in relation to previously published strain anisotropy data determined using variable temperature, capacitance dilatometry [3].en_AU
dc.description.sponsorshipAccess to the Wombat and Taipan instruments through the ANSTO Bragg Institute User Programme is acknowledged as is the financial assistance from the Australian Institute for Nuclear Science and Engineering (AINSE) for travel and accommodation to enable TRF to undertake such experiments.en_AU
dc.identifier.citationFinlayson, T. R., Danilkin, S., Studer, A. J., & Whitfield, R. E. (2011). Anomalous precursive behaviour for the martensitic material Ni 0.625 Al 0.375 . Poster presented to the Australian and New Zealand Institutes of Physics 35th Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, 2nd - 4th February, 2011. Retrieved from: https://physics.org.au/wp-content/uploads/cmm/2011/en_AU
dc.identifier.conferenceenddate4 February 2011en_AU
dc.identifier.conferencenameAustralian and New Zealand Institutes of Physics 35th Annual Condensed Matter and Materials Meetingen_AU
dc.identifier.conferenceplaceWagga Wagga, NSWen_AU
dc.identifier.conferencestartdate2 February 2011en_AU
dc.identifier.isbn978-0-646-55969-8en_AU
dc.identifier.otherWP13en_AU
dc.identifier.pagination90en_AU
dc.identifier.urihttps://physics.org.au/wp-content/uploads/cmm/2011/en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11972en_AU
dc.language.isoenen_AU
dc.publisherAustralian Institute of Physicsen_AU
dc.subjectMartensitic steelsen_AU
dc.subjectMaterialsen_AU
dc.subjectAlloysen_AU
dc.subjectTransformationsen_AU
dc.subjectNickelen_AU
dc.subjectOrthorhombic latticesen_AU
dc.subjectStrainsen_AU
dc.subjectAnisotropyen_AU
dc.subjectInelastic scatteringen_AU
dc.subjectOPAL Reactoren_AU
dc.titleAnomalous precursive behaviour for the martensitic material Ni 0.625 Al 0.375en_AU
dc.typeConference Posteren_AU
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