Local enhancement of the material properties of aluminium sheets by a combination of additive manufacturing and friction stir processing
Friction stir processing (FSP) is combined with additive manufacturing (AM) with selective
laser melting to locally enhance the material properties of a metallic part. A groove inside
aluminium 1060 alloy sheet is filled with an aluminium 7075 alloy powder by AM. FSP is
then applied to the AMed region along the groove. The suggested technique creates a
heterogeneous microstructure with alternating reinforcement-enriched and matrix-enriched
regions. While the overall hardness of the stir zone (SZ) increases significantly, the …
laser melting to locally enhance the material properties of a metallic part. A groove inside
aluminium 1060 alloy sheet is filled with an aluminium 7075 alloy powder by AM. FSP is
then applied to the AMed region along the groove. The suggested technique creates a
heterogeneous microstructure with alternating reinforcement-enriched and matrix-enriched
regions. While the overall hardness of the stir zone (SZ) increases significantly, the …
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