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发表时间：2018-01-01

发表刊物：激光与光电子学进展

卷号：55

期号：1

页面范围：011405

ISSN号：1006-4125

摘要：The research progress on the technologies related to the additive
   manufacturing of aluminum alloys is introduced.The advantages and
   development prospects of the selective laser melting, wire-arc additive
   manufacturing and laser-arc hybrid additive manufacturing in the field
   of additive manufacturing of aluminum alloys are focused.The results
   show that the study of selective laser melting is mainly focused on the
   improvement of the efficiency of space filling of formed parts,the
   control of microstructure and the improvement of mechanical
   properties.The present efficiency of space filling of formed parts is
   close to 100%,the microstructure and mechanical properties are better
   than those of the casting parts,but worse than those of the forging
   parts.The research on the wire arc additive manufacturing is mainly
   focused on the size control of large scale structures,but the
   improvement of performance is limited by the relatively large heat
   input.As for the laser-arc hybrid additive manufacturing,the related
   research is few,and it is the future prospect to improve the
   corresponding process technique and the laser-arc coupling behavior.

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