Simulation of material flow in friction stir processing of a cast Al–Si alloy

Tutunchilar, S.; Haghpanahi, Mohammad; Givi, Mohammad Kazem Besharati; Asadi, Parviz; Bahemmat, Pouya

doi:10.1016/j.matdes.2012.04.001

Cited by 145 publications

(66 citation statements)

References 30 publications

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“…™ software is employed to simulate the FSW (Tutunchilar et al 2012a). To simplify the problem, the tool was selected as a rigid material and workpiece was supposed to be a rigid-viscoplastic material.…”

Section: Numerical Model Of Friction Stir Weldingmentioning

confidence: 99%

“…Shojaeefard et al (2013) studied the influence of pin profile and shoulder diameter on material flow, welding force, temperature, and strain distributions. Marzbanrad et al (2014) investigated the effect of tool pin profile, and Asadi et al (2011a;Tutunchilar et al 2012a) studied the effect of the process parameters on material flow, temperature, and strain distributions during friction stir processing.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Microstructural simulation of friction stir welding using a cellular automaton method: a microstructure prediction of AZ91 magnesium alloy

Asadi

Givi

Akbari

2015

Int J Mech Mater Eng

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Background: Recently, some researchers have simulated FSW using FEM and studied the influence of process parameters and tool geometry on material flow, welding force, and temperature and strain distributions during friction stir processing. Additionally, in terms of microstructure modeling, various approaches such as the Cellular Automaton (CA) model have been developed to simulate microstructural evolution during plastic deformation processes. Method: In this work, a finite element model (FEM) is established to study the microstructure evolution during friction stir welding (FSW) of AZ91 magnesium alloy. To this aim, first, the hot compression tests at different temperatures and strain rates were carried out to achieve the flow stress curves. Then, the hardening parameter, the recovery parameter and the strain rate sensitivity were calculated according to flow stress results and using the Kocks−Mecking model. Next, a continuum based thermo-mechanically coupled rigid-viscoplastic FEM model was proposed in Deform-3D software to simulate the FSW of AZ91 magnesium alloy. To evaluate microstructure of the weld zone a model is proposed based on the combination of Cellular Automaton and Laasraoui-Jonas models.

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Section: Numerical Model Of Friction Stir Weldingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Microstructural simulation of friction stir welding using a cellular automaton method: a microstructure prediction of AZ91 magnesium alloy

Asadi

Givi

Akbari

2015

Int J Mech Mater Eng

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“…[1][2][3] since there is no macroscopic melting involved, the controls needed in fusion welding to avoid phenomena such as solidification and liquation cracking, porosity, and loss of volatile solutes can be avoided.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Mechanical and Microstructural Properties of Al-Mg-Si Age Hardening Alloy to Heat Treatment Alloy via Friction Stir Welding.

2017

IJAERD

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“…There is a high computational cost associated with full a 3D-solid model. Very finite meshes may need to be used and large strain shell problems can be complicated to solve [15].…”

Section: Introductionmentioning

confidence: 99%

Experimental and numerical investigation of aluminium lap joints made by RFSSW

Lacki

Derlatka

2015

Meccanica

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Friction stir welding is one of the newest methods of metal welding. The method is constantly being developed and friction stir spot welding (FSSW) is one of its varieties. The method is mainly used in the aircraft, automotive and shipbuilding industries. During the process, heat is generated as a result of friction between the tool and materials as well as plastic deformation of the joined materials. The paper presents a numerical analysis of welded structures made of 6061-T6 aluminium alloy. The specimens were joined by refill FSSW. This method joins metals in a solid state. The numerical calculations were performed using the ADINA System based on the finite element method. The sheets were modelled with shell elements and the joints were modelled with 3D-solid elements. The experimental investigations were carried out using a non-contact system allowing for measuring displacements and strains in real time. The numerical results were compared with the test ones. The structures were assessed regarding strength and the possibility of their application in the aircraft industry.Keywords Finite element method Á Aluminium 6061-T6 Á Refill friction stir spot welding (RFSSW)

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Simulation of material flow in friction stir processing of a cast Al–Si alloy

Cited by 145 publications

References 30 publications

Microstructural simulation of friction stir welding using a cellular automaton method: a microstructure prediction of AZ91 magnesium alloy

Microstructural simulation of friction stir welding using a cellular automaton method: a microstructure prediction of AZ91 magnesium alloy

Enhanced Mechanical and Microstructural Properties of Al-Mg-Si Age Hardening Alloy to Heat Treatment Alloy via Friction Stir Welding.

Experimental and numerical investigation of aluminium lap joints made by RFSSW

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