ASSESSMENT OF DISSIMILAR 6061-T6 AL/DP590 DUAL PHASE STEEL WELDS PRODUCED USING FRICTION STIR SPOT WELDING

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NIROUMAND AMIN; KASHANI BOZORG SEYED FARSHID

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Journal: JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES Year:2016 | Volume:5 | Issue:1 Page(s): 1-10

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Title

ASSESSMENT OF DISSIMILAR 6061-T6 AL/DP590 DUAL PHASE STEEL WELDS PRODUCED USING FRICTION STIR SPOT WELDING

Author(s)

NIROUMAND AMIN | KASHANI BOZORG SEYED FARSHID | Issue Writer Certificate

Keywords

FRICTION STIR SPOT WELDINGQ2

DISSIMILAR JOININGQ2

ALUMINUM ALLOYQ2

DUALQ2

PHASE STEELQ2

ULTRAQ2

FINE GRAINSQ2

Abstract

Dissimilar 6061Al alloy/DP590 DUAL PHASE STEEL joints were fabricated using FRICTION STIR SPOT WELDING. The influence of rotation speed and dwell time on the feasibility of sound joints were examined by microstructural and mechanical evaluations. Microstructural examinations by optical and scanning electron microscopy exhibited FINE GRAINS structure in the stir zone of aluminum and dominant ULTRAfine ferrite grains with mean grain size of less than a micron and minor martensite at ferrite grain boundaries in the steel side. In addition, an intermetallic component layer was produced along the joint interface; its thickness was a function of process parameters. The tensile-shear strength of the joint was initially found to increase with increasing of tool rotation speed at constant dwell time and then decrease with further increasing. Same trend was observed with increasing of dwell time at constant tool rotation speed. Tensile-shear strength is influenced by the thickness of the intermetallic layer. A maximum tensile-shear strength of 205MPa was achieved for the joint produced using tool rotation and dwell time of 2000rpm and 4s, respectively; this is higher than the shear yield strength of 6061-T6 Al.

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APA: Copy

NIROUMAND, AMIN, & KASHANI BOZORG, SEYED FARSHID. (2016). ASSESSMENT OF DISSIMILAR 6061-T6 AL/DP590 DUAL PHASE STEEL WELDS PRODUCED USING FRICTION STIR SPOT WELDING. JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES, 5(1), 1-10. SID. https://sid.ir/paper/252318/en

Vancouver: Copy

NIROUMAND AMIN, KASHANI BOZORG SEYED FARSHID. ASSESSMENT OF DISSIMILAR 6061-T6 AL/DP590 DUAL PHASE STEEL WELDS PRODUCED USING FRICTION STIR SPOT WELDING. JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES[Internet]. 2016;5(1):1-10. Available from: https://sid.ir/paper/252318/en

IEEE: Copy

AMIN NIROUMAND, and SEYED FARSHID KASHANI BOZORG, “ASSESSMENT OF DISSIMILAR 6061-T6 AL/DP590 DUAL PHASE STEEL WELDS PRODUCED USING FRICTION STIR SPOT WELDING,” JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES, vol. 5, no. 1, pp. 1–10, 2016, [Online]. Available: https://sid.ir/paper/252318/en

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