2021
DOI: 10.1007/s00170-021-06694-3
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The effect of thermal frequency and current amplitude on weldability, microstructural evolution and mechanical properties of AA7075 alloy joint in DP-GMAW process

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Cited by 7 publications
(5 citation statements)
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“…Table 1) which is a Al-Mg that does not possess the same chemistry of the weld metal, therefore during welding a dilution of the weld metal occurs impairing its mechanical strength. This is consistent with the results obtained by Soltani et al [3] which welded using dual-pulsed gas metal arc welding (DP-GMAW),…”
Section: Mechanical Propertiessupporting
confidence: 93%
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“…Table 1) which is a Al-Mg that does not possess the same chemistry of the weld metal, therefore during welding a dilution of the weld metal occurs impairing its mechanical strength. This is consistent with the results obtained by Soltani et al [3] which welded using dual-pulsed gas metal arc welding (DP-GMAW),…”
Section: Mechanical Propertiessupporting
confidence: 93%
“…Towards the heat affected zone the hardness increases reaching on average 148.1 HV, for the specimen manufactured using travel speed of 90 cm/min, and 154.6 HV for the specimen manufactured using travel speed of 100 cm/min. This is attributable both to the re ning of grains caused by the welding cycle in the heat affected zone [3]. Moreover, despite the increase in travel speed, the hardness measured at the specimen manufactured with the travel speed of 90 cm/min is not statistically different from the hardness measured in the specimen manufactured with travel speed of 100 cm/min.…”
Section: Mechanical Propertiesmentioning
confidence: 75%
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“…Wu et al [ 14 , 15 ] also analyzed the influence of current phase on weld seam formation and metal transfer behavior under different pulse phases in double-wire DP-GMAW. Soltani et al [ 16 ] studied the effect of thermal frequency and current amplitude on the weldability, microstructural evolution and mechanical properties of AA7075 alloy joints welded by DP-GMAW. Liu et al [ 17 ] believed that increasing the base current amplitude or the thermal frequency of the current effectively enhanced the oscillation of the molten pool in the DP-GMAW of an AA6061-T6 aluminum alloy.…”
Section: Introductionmentioning
confidence: 99%