Solid state spot joining of sheet materials using consumable bit
Authors: Miles, M. P.; Kohkonen, K.; Packer, S.; Steel, R.; Siemssen, B.; Sato, Y. S.
Source: Science and Technology of Welding & Joining, Volume 14, Number 1, January 2009 , pp. 72-77(6)
Publisher: Maney Publishing
Abstract:A new spot joining technology relying on a consumable joining bit has been developed and evaluated on dual phase (DP) 980 steel and a dissimilar combination of aluminium alloy 5754-O and DP 980. This new process, called friction bit joining (FBJ), uses a consumable bit to create a solid state joint in sheet materials by the action of cutting and frictional bonding. FBJ lap shear fracture loads were 14˙7 kN for 1˙4 mm DP 980 compared to 16˙6 kN for RSW, for the same spot diameters. FBJ of a dissimilar combination of aluminium alloy 5754-O and DP 980 produced joints with average lap shear fracture load of 6˙3 kN. This strength is greater than lap shear fracture load obtained by self-piercing riveting (SPR) in HSLA 350 bonded to AA 5754-O.
Document Type: Research Article
Publication date: January 2009
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