Technology of Weld-Adhesive Joints

Gaul, H.; Weber, Gert

doi:10.1007/8611_2010_47

Cited by 4 publications

(1 citation statement)

References 6 publications

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“…In addition to specimens welded by FBJ alone, there[Q1] were also specimens that employed FBJ and adhesive, which is similar to the weldbonding approach that has been used with RSW. 18 In order to prepare specimens, a masking tape was put on both the DP 980 and the AA 7075-T6 surface, except in the overlapped area. Then, the adhesive was squeezed onto the bottom steel sheet, in the area where the joint overlap would occur, using a bead with an X shape, as described in prior work.…”

Section: Description Of Joining Processesmentioning

confidence: 99%

Mechanical properties of dissimilar metal joints composed of DP 980 steel and AA 7075-T6

Squires

Lim

Miles

et al. 2015

Science and Technology of Welding and Joining

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A solid state joining process, called friction bit joining, was used to spot weld aluminium alloy 7075-T6 to dual phase 980 steel. Lap shear failure loads for specimens without adhesive averaged ,10 kN, while cross-tension specimens averaged 2?8 kN. Addition of adhesive with a thickness up to 500 mm provided a gain of ,50% to lap shear failure loads, while a much thinner layer of adhesive increased cross-tension failure loads by 20%. Microstructures of the welds were martensitic, but the hardness of the joining bit portion was greater than that of the DP 980, owing to its higher alloy content. Softening in the heat affected zone of a welded joint appeared to be relatively small, though it was enough to cause nugget pullout failures in some lap shear tension specimens. Other failures in lap shear tension were interfacial, while all of the failures in cross-tension were interfacial.

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Section: Description Of Joining Processesmentioning

confidence: 99%