Friction stir welding of 5052 aluminum alloy plates

Kwon, Youngmee; Shim, Seong-Beom; Park, Dong-Hwan

doi:10.1016/s1003-6326(10)60239-7

Cited by 86 publications

(45 citation statements)

References 8 publications

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“…The 5052 aluminium alloy presented an uneven distribution of micro-hardness values throughout the weld line, besides yielded greater value of hardness at the stirred zone (SZ) of the joint compared to the base material (BM). These results are confirmed to the research findings published by [14,15]. The maximum hardness values are present on the intermediate of the SZ attributed to the effect of generated welding thermal cycles of the joint which is the pertinent factor inducing the local material micro-hardness values.…”

Section: Microhardness Distributionssupporting

confidence: 91%

Effect of process parameters on mechanical properties of AA5052 joints using underwater friction stir welding

Pedapati¹,

Paramaguru²,

Awang³

et al. 2020

JMES

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Underwater Friction Stir Welding (UFSW) is a solid-state joining technique which uses a non-consumable tool to weld metals. The objective of this investigation is to evaluate the mechanical properties of the AA5052 Aluminium alloy joints prepared by UFSW. The effect of different type of welding tools and welding parameters on the weld joint properties are studied. Square, tapered cylindrical and taper threaded cylindrical type of welding tools have been used to produce the joints with the tool rotational speed varying from 500 rpm to 2000 rpm while the welding speed varying from 50 mm/min to 150 mm/min. Tensile strength, micro-hardness distribution, fracture features, micro-and macrostructure of the fabricated weld joints have been evaluated. The effect of welding process parameters that influences the mechanical properties and fracture characterization of the joints are explained in detail. A maximum Ultimate Tensile Strength (UTS) value of 222.07 MPa is attained with a gauge elongation of 14.78%. Microstructural evaluation revealed that most of the fracture are found on the thermal mechanically affected zone (TMAZ)adjacent to the weld nugget zone (WNZ) due to bigger grain sizes. It is found that most of the joints exhibit ductile characteristics in failure. Fractography analysis has been used to find the behavior of weld joints in failure.

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Section: Microhardness Distributionssupporting

confidence: 91%

Effect of process parameters on mechanical properties of AA5052 joints using underwater friction stir welding

Pedapati¹,

Paramaguru²,

Awang³

et al. 2020

JMES

View full text Add to dashboard Cite

show abstract

“…At a constant traverse speed, as the rotating speed increases, the generated heat increases and consequently the nugget grains will grow [2,26]. Cavaliere et al [31] also reported that the grain size in the weld nugget of AA6056 joints was increased with increasing the rotating speed from 500 to 800 rpm.…”

Section: Methodsmentioning

confidence: 99%

“…As FSW resembles the hot severe plastic deformation (SPD), the generated heat as well as the applied strain rate Fig. 6 Banded structure in SZ of specimen 1000-80: a distribution of SiC particles in SZ and formation of particle-free and particle-rich regions, b grain size difference between these regions, c SEM micrograph of particlerich and particle-free regions, and d Si WDS image of (c) have significant effect on the grain refining so that the size of dynamically recrystallized grains decreases with decreasing the temperature or increasing the strain rate [2]. Figure 7 depicts the SEM images taken from agglomerated SiC particles in the specimen 1000-50.…”

Section: Methodsmentioning

confidence: 99%

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Friction stir welding of AA5052: the effects of SiC nano-particles addition

Bodaghi

Dehghani

2016

Int J Adv Manuf Technol

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In the present work, the AA5052 aluminum sheets were joined by friction stir welding (FSW) technique. In order to refine the microstructure of stir zone (SZ) and to prevent the grain growth of heat-affected zone (HAZ), the SiC nanoparticles were added to the weld nugget. To obtain the optimum condition for FSW, three rotational speeds (800, 1000, and 1250 rpm) and three traveling speeds (30, 50, and 80 mm/ min) were applied. Microstructural evolutions were characterized using optical and scanning electron microscopes. Besides, the mechanical properties (tensile strength, hardness, and wear test) of weldment were also studied. The results showed that adding the SiC nano-particles led to the significant grain refining of the welds. However, the improper SiC powder distribution during one pass of FSW resulted in the premature fracture of workpiece. The specimens joined at the rotational speed of 1000 rpm and welding speeds of 50 and 80 mm/min exhibited the highest ultimate tensile strength.

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“…Some efforts were also put to study the FSW of the AA 5754, 25 AA 5052, [26][27][28] AA 5456, 29,30 AA 5251, 31,32 AA 5182 33 and AA 5086 34,35 series of alloys. Some of these authors analysed the influence of the rotating speed, 25,27 the advancing speed, 12,34 both of these factors together 15,18,19 and even the interaction of tool's geometry with these parameters 12,19,25 on weld quality.…”

Section: Introductionmentioning

confidence: 99%

Microstructural and mechanical characterisation of 5XXX-H111 friction stir welded tailored blanks

Tronci

McKenzie

Leal

et al. 2011

Science and Technology of Welding and Joining

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Friction stir welds in 1 mm thick plates of AA 5182-H111 and AA 5083-H111 aluminium alloys are analysed in this paper. The welds were produced using a large range of welding conditions, namely, different process control modes (position and load control), tool parameters (different geometries and dimensions) and process parameters (rotation speed, advancing speed and axial load). Visual inspection and metallographic and mechanical analysis demonstrate that it is possible to obtain consistently good quality welds in very thin plates under a large range of welding conditions. Important relations between base material properties, tool geometry and the final properties of the welds were established

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Friction stir welding of 5052 aluminum alloy plates

Cited by 86 publications

References 8 publications

Effect of process parameters on mechanical properties of AA5052 joints using underwater friction stir welding

Effect of process parameters on mechanical properties of AA5052 joints using underwater friction stir welding

Friction stir welding of AA5052: the effects of SiC nano-particles addition

Microstructural and mechanical characterisation of 5XXX-H111 friction stir welded tailored blanks

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