首页|Wire-Arc Directed Energy Deposition of Magnesium Alloys:Defects,Macro-and Micro-Structure,and Mechanical Performance
Wire-Arc Directed Energy Deposition of Magnesium Alloys:Defects,Macro-and Micro-Structure,and Mechanical Performance
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Wire-arc directed energy deposition(WA-DED)has emerged as a transformative technology for producing large-scale metal components owing to its capacity for cost-effective fabrication and suitable deposition rates.Recently,the focus has shifted to the WA-DED of magnesium alloys,which are promising lightweight structural materials in the aerospace transportation and military industries.This article systematically reviews recent advancements in magnesium alloys fabricated using WA-DED.It discusses aspects such as forming quality,internal defects,microstructural evolution,and mechanical properties.Prevalent internal defects such as pores and cracks in WA-DED magnesium alloys are identified and characterized.Additionally,strategies for enhancing the manufacturing quality are elucidated.Furthermore,this article comprehensively explores the underlying mechanisms of the in-terplay among process parameters,internal defects,and microstructural heterogeneity.The main objective is to provide insights into and strategies for defect elimination,microstructural homogenization,and property en-hancement.Finally,some perspectives are proposed for further progress in the application of WA-DED magnesium alloy components for superior performance.
Wire-arc directed energy deposition(WA-DED)Magnesium alloysForming qualityInternal defectsMicrostructural evolutionMechanical properties
NETL
NSTL
万方数据
