The Effect of Processing Parameter on Zirconium Modified Al-Cu-Mg Alloys Fabricated by Selective Laser Melting

dc.creatorNie, Xiaojia
dc.creatorZhang, Hu
dc.creatorZhu, Haihong
dc.creatorHu, Zhiheng
dc.creatorZeng, Xiaoyan
dc.date.accessioned2021-11-10T22:57:15Z
dc.date.available2021-11-10T22:57:15Z
dc.date.issued2018
dc.description.abstractThe newly designed alloy compositions for selective laser melting (SLM) have aroused great interest. In this study, zirconium modified Al-Cu-Mg alloys were fabricated by SLM. Results show that crack-free samples with relative density of nearly 100% were obtained by optimizing the processing parameters. With the increase of scanning speed, the relative density decreases due to insufficient energy input. In addition, the microstructure transforms from homogeneous to bio-modal, the reason is the unstable flows caused by the high scanning speed. The small hatching space will provide more energy input and preheat, leading to the coarse surface.en_US
dc.description.departmentMechanical Engineeringen_US
dc.identifier.urihttps://hdl.handle.net/2152/90201
dc.identifier.urihttp://dx.doi.org/10.26153/tsw/17122
dc.language.isoengen_US
dc.publisherUniversity of Texas at Austinen_US
dc.relation.ispartof2018 International Solid Freeform Fabrication Symposiumen_US
dc.rights.restrictionOpenen_US
dc.subjectprocessing parameteren_US
dc.subjectzirconium modifieden_US
dc.subjectAl-Cu-Mg alloysen_US
dc.subjectselective laser meltingen_US
dc.titleThe Effect of Processing Parameter on Zirconium Modified Al-Cu-Mg Alloys Fabricated by Selective Laser Meltingen_US
dc.typeConference paperen_US

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