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Realising equal strength welding to parent metal in precipitation-hardened Al–Mg–Si alloy via low heat input friction stir welding
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In this article, two millimetres thick Al-Mg-Si (6061Al-T6) alloy plates were friction stir welded at various welding conditions under a low rotation rate of 400 rev/min/1 with rapid water cooling.Abstract:
Two millimetres thick Al–Mg–Si (6061Al-T6) alloy plates were friction stir welded at various welding conditions. Under a low rotation rate of 400 rev min–1 with rapid water cooling, the softening z...read more
Citations
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Microstructural evolution of aluminum alloy during friction stir welding under different tool rotation rates and cooling conditions
TL;DR: In this paper, the microstructural evolution during friction stir welding (FSW) has been studied only using one single welding parameter, and conclusions were usually made based on the final microstructure observation and hence were one-sided.
Journal ArticleDOI
Material flow and void defect formation in friction stir welding of aluminium alloys
TL;DR: An experimental program by combining artificially thickened oxide layer as marker material and stop-action welding were used to study the material flow and defect formation in frictio... as mentioned in this paper.
Journal ArticleDOI
Effect of Forced Air Cooling on the Microstructures, Tensile Strength, and Hardness Distribution of Dissimilar Friction Stir Welded AA5A06-AA6061 Joints
TL;DR: In this paper, 5A06-H112 and 6061-T651 aluminium alloys were successfully welded by friction stir welding with forced air cooling (FAC) and natural cooling (NC).
Journal ArticleDOI
Achieving equal fatigue strength to base material in a friction stir welded 5083-H19 aluminium alloy joint
TL;DR: In this article, a friction stir welded (FSW) joint with equal fatigue strength to the base material (BM) was obtained in 5083Al-H19 ro...
Journal ArticleDOI
Microstructural Evolution and Mechanical Behavior of Friction-Stir-Welded DP1180 Advanced Ultrahigh Strength Steel
Zhiwei Wang,Zhiwei Wang,G. M. Xie,Duoming Wang,HY（张虎勇） Zhang,Ni Dingrui,P. Xue,B.L. Xiao,Z.Y. Ma +8 more
TL;DR: In this article, the relationship between pin length and mechanical properties of lap joints was studied, and the results showed that the peak temperatures of all joints exceeded Ac3, and martensite phases with similar morphologies were formed in the stir zones.
References
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Journal ArticleDOI
Recent advances in friction-stir welding : Process, weldment structure and properties
TL;DR: In this article, the authors deal with the fundamental understanding of the process and its metallurgical consequences, focusing on heat generation, heat transfer and plastic flow during welding, elements of tool design, understanding defect formation and the structure and properties of the welded materials.
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The precipitation sequence in Al–Mg–Si alloys
TL;DR: In this article, the fine-scale precipitation that occurs during age hardening of Al alloy 6061 has been studied using differential scanning calorimetry (DSC), APFIM and transmission electron microscopy (TEM).
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Review: friction stir welding tools
TL;DR: Friction stir welding (FSW) is a widely used solid state joining process for soft materials such as aluminium alloys because it avoids many of the common problems of fusion welding as mentioned in this paper.
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Recrystallization mechanisms during friction stir welding/processing of aluminum alloys
TL;DR: In this article, the applicability of hot working of metals and alloys is reviewed in the context of their applicability to friction stir welding (FSW) and friction stir processing (FSP) and two of these models are used to interpret microstructure and microtexture data for two aluminum alloys subjected to FSP.
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Modelling of the age hardening behaviour of Al–Mg–Si alloys
TL;DR: In this paper, a special control volume formulation of the classical precipitation model for coupled nucleation, growth and coarsening has been adopted to describe the evolution of the particle size distribution with time during thermal processing of Al-Mg-Si alloys.