Mechanical behaviour of similar and dissimilar AA5182-H111 and AA6016-T4 thin friction stir welds

Leitão, C.; Leal, Rui M.; Rodrigues, D.M.; Loureiro, A.; Vilaça, Pedro

doi:10.1016/j.matdes.2008.04.045

Cited by 115 publications

(60 citation statements)

References 35 publications

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“…2 The effects of the tool rotational speed and welding speed were investigated by various researchers [5][6][7][8] in order to obtain better mechanical and metallurgical properties of the welded joints. S. A.…”

Section: Introductionmentioning

confidence: 99%

Developing a friction-stir welding window for joining the dissimilar aluminum alloys AA6351 and AA5083

Palanivel¹,

Laubscher²,

Dinaharan³

et al. 2017

Mater. Tehnol.

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In this study a welding window was constructed for the relatively new welding process of friction-stir welding (FSW) to join the 6-mm-thick dissimilar aluminium alloys AA5083-H111 and AA6351-T6. The dissimilar joints were fabricated using different combinations of tool rotational speeds and welding speeds. The effect of the process parameters on the macrostructure of the joints was analysed and reported. Established along with the macrostructural analysis, a welding window was made. These windows will act as reference maps for selecting the appropriate FSW process parameters to produce defect-free welds of dissimilar aluminium alloys. Keywords: friction stir welding, dissimilar joints, welding window, macrostructure V {tudiji je bilo postavljeno varilno okno, za relativno nov postopek torno vrtilnega varjenja (FSW), za spajanje razli~nih aluminijevih zlitin AA5083-H111 in AA6351-T6 debeline 6 mm. Zvari so bili izdelani s pomo~jo razli~ne kombinacije rotacijskih hitrosti orodja in hitrosti varjenja. Analiziran je bil vpliv procesnega parametra na mikrostrukturo zvarov. Na podlagi analize makro strukture je bilo postavljeno okno za varjenje. Ta okna slu`ijo kot referen~na pri izbiri ustreznih parametrov torno rotacijskega varjenja razli~nih aluminijevih zlitin, za izdelavo zvarov brez napak. Klju~ne besede: torno vrtilno varjenje, spoji razli~nih materialov, varilno okno, makrostruktura

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Section: Introductionmentioning

confidence: 99%

Developing a friction-stir welding window for joining the dissimilar aluminum alloys AA6351 and AA5083

Palanivel¹,

Laubscher²,

Dinaharan³

et al. 2017

Mater. Tehnol.

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show abstract

“…The hardness of the base material (BM) is found to be uniform along and across the weld direction. The hardness profile across the weld direction indicates a sudden increase from the base metal hardness to thermo mechanical affected zone (TMAZ) and Heat Affected Zone (HAZ) 14,15 , varies constantly in the advancing side of the weld and a steep drop in hardness is observed in the weld nugget zone and a similar drop in retreating side of the weldment.…”

Section: Hardness Testmentioning

confidence: 99%

Hardness and Tensile Behavior of Friction Stir Welded Aluminum Aa6351 Alloy

Krishna

Reddy²,

Hussain³

2014

J. mech. eng.

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“…This is beneficial in terms of prevention of defects in stir zone, as confirmed by Kim et al (2006), but detrimental in terms of microstructure. Indeed, an increase in the heat generated causes the grain growth and reduces the hardness and mechanical strength in the stir zone, as showed Leitão et al (2009). For this reason, the tool geometry and process parameters must be selected carefully in order to refine the structure and increases mechanical properties in the stir zone.…”

Section: Introductionmentioning

confidence: 99%

Effect of tool geometry on friction stir processing and fatigue strength of MIG T welds on Al alloys

Jesús¹,

Loureiro²,

Costa³

et al. 2014

Journal of Materials Processing Technology

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Please cite this article as: de Jesus, J.S., Loureiro, A., Costa, J.M., Ferreira, J.M.,Effect of tool geometry on friction stir processing and fatigue strength of MIG T welds on al alloys, Journal of Materials Processing Technology (2014), http://dx.doi.org/10. 1016/j.jmatprotec.2014.05.012 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. Page 1 of 35A c c e p t e d M a n u s c r i p t EFFECT OF TOOL GEOMETRY ON FRICTION STIR PROCESSING AND FATIGUE STRENGTH OF MIG T WELDS ON AL ALLOYS HighlightsTool geometry has great influence on properties of FSP MIG welds; FSP removes defects in the MIG weld toe and increases its radius of curvature;Grain refinement in processed regions is affected by tool geometry Tool geometry influences the fatigue strength of FSP MIG T welds.

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Mechanical behaviour of similar and dissimilar AA5182-H111 and AA6016-T4 thin friction stir welds

Cited by 115 publications

References 35 publications

Developing a friction-stir welding window for joining the dissimilar aluminum alloys AA6351 and AA5083

Developing a friction-stir welding window for joining the dissimilar aluminum alloys AA6351 and AA5083

Hardness and Tensile Behavior of Friction Stir Welded Aluminum Aa6351 Alloy

Effect of tool geometry on friction stir processing and fatigue strength of MIG T welds on Al alloys

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