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HONG Li-ling, XIN Xuan-rong, ZHANG Ke-ke, LIU Ting. Microstructure of Cold Pressing-dispersal Composite Welding Joints of Cu/Al Alloy[J]. Materials and Mechanical Engineering, 2008, 32(8): 23-25.
Citation: HONG Li-ling, XIN Xuan-rong, ZHANG Ke-ke, LIU Ting. Microstructure of Cold Pressing-dispersal Composite Welding Joints of Cu/Al Alloy[J]. Materials and Mechanical Engineering, 2008, 32(8): 23-25.
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Microstructure of Cold Pressing-dispersal Composite Welding Joints of Cu/Al Alloy

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  • Received Date: March 23, 2008
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    • Abstract
  • T2 Cu and 2A50 Al alloy were welded by cold pressing-dispersal composite connection technology.The joint was analyzed by means of SEM,EDS,XRD and so on.The results show that 2 mm dissimilar metal welded seam formed in the T2/2A50 alloy interface after 200 MPa cold pressing+(515-525) ℃×90 min heat dispersal and 100 MPa hot pressing+(515-525) ℃×90 min heat dispersal.Content of Cu is 56.91% and content of Al is 43.09% in the welded seam area.Content of CuAl2 is 56.4% in the welded seam area,which is higher than 2A50 Al alloy(7.6%).Furthermore,there is no elementary substance of Cu.
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    • References (13)
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