Formability in AA5083 and AA6061 alloys for light weight applications

Liu, Jun; Tan, Ming Jen; Jarfors, Anders E. W.; Aue‐u‐lan, Yingyot; Castagne, Sylvie

doi:10.1016/j.matdes.2009.10.052

Cited by 50 publications

(28 citation statements)

References 9 publications

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“…Usually, for the aluminum alloy, it behaves low strain hardening effect especially at high temperature deformation [1]. Usually, for the aluminum alloy, it behaves low strain hardening effect especially at high temperature deformation [1].…”

Section: Materials Constitutive Behaviormentioning

confidence: 99%

“…Usually, the AA5083 behaves higher strain hardening effect when deformation occurs ranging from 200 to 300°C [1]. Since the mechanical pre-forming is conducted to draw the material along the flange into the die cavity, higher level of material drawin is obtained as a result of lower temperature drawing procedure.…”

Section: Materials Draw-inmentioning

confidence: 99%

“…Superplastic forming (SPF) is an attractive process in application of light weight alloys [1]. It has some advantages, such as forming large and complex work pieces, excellent precision and fine surface finish, and little springback or residual stress in the formed parts [2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

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Finite Element Modeling of a Non-Isothermal Superplastic-Like Forming Process

Liu¹,

Tan²,

Castagne³

et al. 2011

AIP Conference Proceedings

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Conventional superplastic forming (SPF) has been modified to increase the productivity and reduce some of the drawbacks, such as high forming temperature and high percentage thinning, to suit the automotive industries. One of the modifications was to combine between the conventional SPF and the use of a mechanical preformed blank to form the nonsuperplastic grade aluminum alloy (AA5083-O). The requirement of high temperature usually results in microstructural defects during forming process. In this paper, finite element modeling was adopted to investigate the superplastic-like forming process using the non-isothermal heating system. In the simulation, two phases (mechanical pre-forming and gas blow forming) of the process were conducted under different temperatures, where the material was mechanically drawn into the die cavity at 200°C in the first phase, and it formed with gas pressure applied at a global temperature increasing from 400°C to 500°C. Because of the non-isothermal heating of material, it was found that it had enough ductility to flow more easily in the specific zones (die corners and radius). Additionally, FEM results showed that a better formed part can be obtained by the increasing temperature forming, compared to the stable temperature phase.

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Section: Materials Constitutive Behaviormentioning

confidence: 99%

Section: Materials Draw-inmentioning

confidence: 99%

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Finite Element Modeling of a Non-Isothermal Superplastic-Like Forming Process

Liu¹,

Tan²,

Castagne³

et al. 2011

AIP Conference Proceedings

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“…Aluminium alloy components are an import contribution to lightweight transportations for improved energy efficiency (Liu et al, 2010). Due to its good material properties, such as high strength-to-density ratio, the usage of high strength aluminium alloy AA6082 has been expanding rapidly in various sectors (Liu et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Transition of failure mode in hot stamping of AA6082 tailor welded blanks

Liu

Wang

Gao

et al. 2018

Journal of Materials Processing Technology

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“…Furthermore, there is also a serious lack of information on the basic material formability. Therefore, the precision of FE simulation results cannot be ensured [10,11] .…”

mentioning

confidence: 99%

Simulation and Experimental Studies on Hydrodynamic Deep Drawing of 2198 Aluminum Lithium Alloy

Guo

Wang

Liang

et al. 2017

Rare Metal Materials and Engineering

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The process of hydrodynamic deep drawing of Al2198 was investigated by finite element (FE) simulation and experimental works. The effects of die cavity pressure, blank holder gap and pre-bulging pressure on the forming process and the thickness distribution were evaluated. The results indicate that the pressure inside the liquid chamber and the blank holder gap or blank holder force are the main factors affecting hydrodynamic deep drawing process. In addition, appropriate pre-bulging pressure is beneficial to form good quality parts with a relatively uniform wall thickness.

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Formability in AA5083 and AA6061 alloys for light weight applications

Cited by 50 publications

References 9 publications

Finite Element Modeling of a Non-Isothermal Superplastic-Like Forming Process

Finite Element Modeling of a Non-Isothermal Superplastic-Like Forming Process

Transition of failure mode in hot stamping of AA6082 tailor welded blanks

Simulation and Experimental Studies on Hydrodynamic Deep Drawing of 2198 Aluminum Lithium Alloy

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