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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2016

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Investigation of mechanical properties of MIG-brazed DP600 steel plates using different arc voltage

Varol F., Onar V., Aslanlar S.

Journal of Achievements in Materials and Manufacturing Engineering

2016

Vol. 75, nr 2

66--70

Purpose: In this study, the join ability of dual-phase automotive steel sheets by metal inert gas brazing method was aimed. DP 600 (Dual Phase) steel plate shaving 1 mm thickness were joined by copper-based (CuAl8) wire in gas metal arc brazing technique. Design/methodology/approach: Specimens were prepared in butt joint form. Brazing operations were done with nine different Brazing arc voltage of 10, 10.5, 11, 11.5, 12, 12.5, 13, 13.5and 14 V. A copper-based CuAl8 wire was used as filler metal. Having accomplished the brazing operations; tensile properties of joints were determined, and micro and macro-structures of joints were investigated in order to see the joinability of DP 600 steel by gas metal arc brazing technique. Originality/value: The tensile strength increased from 10 V to 12 V arc voltage and reached the maximum value as 640 MPa, and then decreased with increasing arc voltage.