Multiple strengthening mechanisms in high strength ultrafine-grained Al–Mg alloys

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dc.contributor.authorWang, Hen_AU
dc.contributor.authorGeng, HWen_AU
dc.contributor.authorZhou, DSen_AU
dc.contributor.authorNiitsu, Ken_AU
dc.contributor.authorMuránsky, Oen_AU
dc.contributor.authorZhang, DLen_AU
dc.date.accessioned2025-03-06T03:53:45Zen_AU
dc.date.available2025-03-06T03:53:45Zen_AU
dc.date.issued2020-01-13en_AU
dc.date.statistics2025-02-26en_AU
dc.description.abstractHigh strength has always been pursued in binary Al–Mg and 5xxx series Al alloys. However, these alloys usually provide medium strength due to lack of multiple strengthening methods. Here, this study reports on multiple strengthening effects existing in a binary ultrafine-grained (UFG) Al-7.5at.%Mg alloy prepared by mechanical alloying and hot extrusion. Different strengthening mechanisms, in particular, dispersoid strengthening and stacking fault strengthening, are analyzed and evaluated in terms of their respective contribution to the 511 MPa yield strength of the alloy. The strengthening analysis proves that the concurrent generation of nanoscale dispersoids and stacking faults (SFs) can be used as a new microstructural design in developing novel Al–Mg-based alloys with higher strength and enhanced ductility. © 2019 Elsevier B.V.en_AU
dc.description.sponsorshipDS Zhou and DL Zhang want to thank the financial support from the Natural Science Foundation of China (Grant No. 51701036) and the “Xing Liao Talent Plan” of Liaoning Province, China (Project No. XLYC1802080) to this work.en_AU
dc.identifier.articlenumber138613en_AU
dc.identifier.citationWang, H., Geng, H., Zhou, D., Niitsu, K., Muránsky, O., & Zhang, D. (2020). Multiple strengthening mechanisms in high strength ultrafine-grained Al–Mg alloys. Materials Science and Engineering: A, 771, 138613. doi:10.1016/j.msea.2019.138613en_AU
dc.identifier.issn0921-5093en_AU
dc.identifier.journaltitleMaterials Science and Engineering Aen_AU
dc.identifier.urihttps://doi.org/10.1016/j.msea.2019.138613en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/16019en_AU
dc.identifier.volume771en_AU
dc.languageEnglishen_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectAluminiumen_AU
dc.subjectMagnesiumen_AU
dc.subjectAlloysen_AU
dc.subjectStacking faultsen_AU
dc.subjectTemperature rangeen_AU
dc.subjectDuctilityen_AU
dc.subjectMicrostructureen_AU
dc.subjectYield strengthen_AU
dc.subjectStacking faultsen_AU
dc.titleMultiple strengthening mechanisms in high strength ultrafine-grained Al–Mg alloysen_AU
dc.typeJournal Articleen_AU
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