Improved mechanical properties of magnesium alloy thick plate joint via uniform microstructure by differential double-shoulder friction stir welding
Materials Letters(2023)
摘要
•The Mg alloy thick plate joint was prepared by differential double-shoulder friction stir welding.•The grain size uniformity of the joint was increased by 78.5%.•The tensile strength coefficient of the joint reached 86.4%.•The crack initiation mechanism of the joint was basal slip.
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关键词
Differential double-shoulder friction stir welding,Magnesium alloy,Thick plate,Uniform microstructure,Tensile property
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