Hydrogen-induced microstructure, texture and mechanical property evolutions in a high-pressure torsion processed zirconium alloy

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dc.contributor.authorWang, Zen_AU
dc.contributor.authorGarbe, Uen_AU
dc.contributor.authorLi, HJen_AU
dc.contributor.authorStuder, AJen_AU
dc.contributor.authorHarrison, RPen_AU
dc.contributor.authorCallaghan, MDen_AU
dc.contributor.authorWang, Yen_AU
dc.contributor.authorLiao, XZen_AU
dc.date.accessioned2014-03-28T02:50:33Zen_AU
dc.date.available2014-03-28T02:50:33Zen_AU
dc.date.issued2012-11-01en_AU
dc.date.statistics2014-03-28en_AU
dc.description.abstractThe gaseous hydriding-induced evolutions of the microstructure, texture and mechanical properties of Zircaloy-4 processed by high-pressure torsion (HPT) were assessed. Much delta-ZrH(1.66) precipitation at 15 atm (21%) incurred significant hardening of vacuum-annealed HPT samples, and pure epsilon-ZrH(2) obtained at 20 atm showed a superior microhardness of 470 HV(0.3) and a low fracture toughness of 0.63 MPa m(1/2). The delta-hydrides presented strong (1 1 1) texture and followed the (0 0 0 1)(alpha-Zr)//{1 1 1}(delta-ZrH1.66) orientation relationship with the alpha-Zr matrix. During hydriding, alpha-Zr recrystallization texture was developed from the initial deformation texture. Copyright © 2012 Acta Materialia Inc.en_AU
dc.identifier.citationWang, Z., Garbe, U., Li, H. J., Studer, A. J., Harrison, R. P., Callaghan, M. D., Wang, Y. B., & Liao, X. (2012). Hydrogen-induced microstructure, texture and mechanical property evolutions in a high-pressure torsion processed zirconium alloy. Scripta Materialia, 67(9), 752-755. doi:10.1016/j.scriptamat.2012.07.033en_AU
dc.identifier.govdoc4581en_AU
dc.identifier.issn1359-6462en_AU
dc.identifier.issue9en_AU
dc.identifier.journaltitleScripta Materialiaen_AU
dc.identifier.pagination752-755en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.scriptamat.2012.07.033en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/5338en_AU
dc.identifier.volume67en_AU
dc.language.isoenen_AU
dc.publisherElsevier Ltd.en_AU
dc.subjectRecrystallizationen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectHydrogen embrittlementen_AU
dc.subjectZircaloy 4en_AU
dc.subjectMicrohardnessen_AU
dc.subjectTextureen_AU
dc.titleHydrogen-induced microstructure, texture and mechanical property evolutions in a high-pressure torsion processed zirconium alloyen_AU
dc.typeJournal Articleen_AU
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