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dc.contributor.authorYang, F-
dc.contributor.authorWang, J-
dc.contributor.authorWen, T-
dc.contributor.authorZhang, L-
dc.contributor.authorDong, X-
dc.contributor.authorQiu, D-
dc.contributor.authorYang, H-
dc.contributor.authorJi, S-
dc.identifierORCID iDs: Xixi Dong; Dong Qiu; Hailin Yang; Shouxun Ji
dc.identifier.citationYang, F. et al. (2022) 'Developing a novel high-strength Al–Mg–Zn–Si alloy for laser powder bed fusion', Materials Science and Engineering A, 851, 143636, pp. 1 - 12. doi: 10.1016/j.msea.2022.143636.en_US
dc.descriptionData availability: Data will be made available on request.en_US
dc.description.abstractAdditively manufactured (AM) aluminium alloys have attracted increasing attention due to the great demand of prototyping, spare parts supply, short run productions and further light-weighting of vehicles. However, most of the reported AM aluminium alloys are usually modified version of commercial cast or wrought aluminium alloys. In this work, we successfully developed a new high-strength and ductile Al5Mg3Zn2Si alloy, which is designed for laser powder bed fusion (LPBF) process. The optimized relative density of 98.9% was obtained at a volumetric energy density (VED) of 129.1 J/mm3. The as-LPBFed Al5Mg3Zn2Si alloy features refined equiaxed α-Al grains and Al–Mg2Si eutectic network. In addition, the sub-micrometre sized, coherent α-Al(Fe,Mn)Si and MgZn2 dispersoids in conjunction with high number density of (Mg,Zn)-rich GP zones co-contribution to the excellent combination of mechanical properties, i.e. the ultimate tensile strength of 548 MPa, the yield strength of 403 MPa, and the elongation of 6.7%. Such a high-strength and ductile AM aluminium alloys without any addition of costly alloying elements has a great potential for automotive and aerospace applications.-
dc.description.sponsorshipNational Key Research and Development Program of China (Grant No. 2020YFB0311300ZL); National Natural Science Foundation of China (Grant No. 52071343).en_US
dc.format.extent1 - 12-
dc.rightsCopyright © Elsevier B.V. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license (
dc.subjectaluminium alloysen_US
dc.subjectmechanical propertyen_US
dc.subjectadditive manufacturingen_US
dc.subjectlaser powder bed fusionen_US
dc.titleDeveloping a novel high-strength Al–Mg–Zn–Si alloy for laser powder bed fusionen_US
dc.relation.isPartOfMaterials Science and Engineering A-
dc.rights.holderElsevier B.V.-
Appears in Collections:Brunel Centre for Advanced Solidification Technology (BCAST)

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