Journal ArticleDOI
The effect of hardening laws and thermal softening on modeling residual stresses in FSW of aluminum alloy 2024-T3
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In this paper, a numerical model consisting of a heat transfer analysis based on the Thermal Pseudo Mechanical (TPM) model for heat generation, and a sequentially coupled quasi-static stress analysis with a built-in metallurgical softening model was implemented in ABAQUS.About:
This article is published in Journal of Materials Processing Technology.The article was published on 2013-03-01. It has received 81 citations till now. The article focuses on the topics: Hardening (metallurgy) & Residual stress.read more
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A review of numerical analysis of friction stir welding
TL;DR: In this article, the authors review the latest developments in the numerical analysis of friction stir welding processes, microstructures of friction-stir welded joints and the properties of friction spat welded structures.
Journal ArticleDOI
Multiphysics modelling of manufacturing processes: A review
Masoud Jabbari,Ismet Baran,Sankhya Mohanty,Raphaël Comminal,Mads Rostgaard Sonne,Michael Wenani Nielsen,Jon Spangenberg,Jesper Henri Hattel +7 more
TL;DR: In this article, the authors present examples of the diversity in the field of modeling of manufacturing processes as regards process, materials, generic disciplines as well as length scales: (1) modelling of tape casting for thin ceramic layers, (2) modelling the flow of polymers in extrusion, (3) modeling the deformation process of flexible stamps for nanoimprint lithography, (4) modelling manufacturing of composite parts and (5) modelling a selective la...
Journal ArticleDOI
Numerical modeling for the effect of pin profiles on thermal and material flow characteristics in friction stir welding
TL;DR: In this article, a numerical method based on computational fluid dynamics is employed to quantitatively analyze the thermo-physical phenomena in friction stir welding with two tools of different pin shapes (axisymmetrical conical tool and asymmetrical triflat tool).
Journal ArticleDOI
The evolution of precipitation and microstructure in friction stir welded 2195-T8 Al–Li alloy
TL;DR: In this paper, transmission electron microscopy was used to characterize the precipitate and microstructure evolution in friction stir welding of 2195-T8 aluminum alloy, and the results showed that precipitations in the base metal primarily consist of T1 (Al2CuLi) platelets and small amounts of θ′ (Al 2Cu) and τ2 (Al7Cu2Fe) phase.
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A Comparison of Different Finite Element Methods in the Thermal Analysis of Friction Stir Welding (FSW)
Bahman Meyghani,Mokhtar Awang,Seyed Sattar Emamian,Mohd Khalid B. Mohd Nor,Srinivasa Rao Pedapati +4 more
TL;DR: In this paper, a comparison between different numerical approaches for thermal analysis of friction stir welding at both local and global scales is reviewed and the applications of each method in the FSW process is discussed in detail.
References
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Journal ArticleDOI
The role of residual stress and heat affected zone properties on fatigue crack propagation in friction stir welded 2024-T351 aluminium joints
G Bussu,Phil E. Irving +1 more
TL;DR: In this article, the effects of weld residual stress and heat affected zone on the fatigue propagation of cracks parallel and orthogonal to the weld direction in friction stir welded (FSW) 2024-T351 joints were investigated.
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Residual Stress Measurement by Successive Extension of a Slot: The Crack Compliance Method
TL;DR: In many situations, the crack compliance method offers several advantages over other methods: improved resolution of residual stress variation with depth; the ability to measure both small and very large parts; measurement of stressmore; increased sensitivity over other material removal methods; and the able to measure non-crystalline materials.
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Numerical simulation of transient temperature and residual stresses in friction stir welding of 304L stainless steel
X.K Zhu,Yuh J. Chao +1 more
TL;DR: In this article, three-dimensional nonlinear thermal and thermo-mechanical numerical simulations are conducted for the friction stir welding (FSW) of 304L stainless steel.
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Prediction of temperature distribution and thermal history during friction stir welding: input torque based model
TL;DR: In this paper, a novel three-dimensional thermal model is proposed to study the transient temperature distributions during the friction stir welding of aluminium alloys, where the moving heat source engendered by the rotation and linear traverse of the pin tool has been correlated with the actual machine power input.
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Quantitative investigation of precipitation and mechanical behaviour for AA2024 friction stir welds
TL;DR: In this article, the effect of welding on precipitation in the 2024 alloy in the T351 and the T6 states, using small angle X-ray scattering, transmission electron microscopy, differential scanning calorimetry and hardness measurements.