Springback Prediction Model Considering the Variable Young’s Modulus for the Bending Rectangular 3A21 Tube

Liu, Y. L.; Zhu, Yu; Dong, Weiqun; Yang, Haisheng

doi:10.1007/s11665-012-0227-y

Cited by 14 publications

(5 citation statements)

References 15 publications

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“…It was found that the springback considering the variation of elastic modulus was more accurate than that without considering. The constitutive model considering elastic modulus variation of 3A21 aluminum alloy thin-wall rectangular tube was established by Liu et al, 11 and they found that the prediction accuracy of springback was increased by 18% using the established constitutive model. Through cyclic loading-unloading tension experiments, the literature 12 found that the elastic modulus of high strength TA18 tubes first decreased drastically, then decreased tardily, and tended to be stable in the end as the plastic strain increased, which could be described as an exponential function.…”

Section: Introductionmentioning

confidence: 99%

Variation of elastic modulus of high strength 21-6-9 tube and its influences on forming quality in numerical control rotary draw bending

Fang

Ouyang

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part C:

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Elastic modulus is one of the most crucial mechanical property parameters that affects the plastic forming quality of bent parts, especially for springback. Elastic modulus practically varies with plastic deformation, and its precise description is necessary to enhance simulation precision for tube bending and gain steady, high-precision bent components by actual bending. Using repeated loading-unloading tensile tests (RLUTTs), the variation of elastic modulus of high strength 21-6-9 stainless steel tube (21-6-9-HS tube) in terms of plastic strain has been obtained, which its decreases rapidly at the beginning, then decreases tardily and tends to be stable in the end with increasing the plastic strain. The variation can be expressed as a first order exponential decay function. By embedding the variation of elastic modulus with the plastic strain into ABAQUS software to simulate numerical control (NC) rotary draw bending of the 21-6-9-HS tube, the prediction precision for the springback angle, springback radius, maximum cross section distortion ratio and maximum wall thinning ratio can be improved by 11.98%, 7.62%, 35.53% and 11.55%, respectively.

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Section: Introductionmentioning

confidence: 99%

Variation of elastic modulus of high strength 21-6-9 tube and its influences on forming quality in numerical control rotary draw bending

Fang

Ouyang

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part C:

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“…5 . Various authors have reported the reduction of the chord modulus with plastic prestrain and have developed analytical functions to describe this reduction ( Yoshida et al, 2002;Li et al, 2002b;Yang et al, 2004;Fei and Hodgson, 2006;Zang et al, 2007;Yu, 2009;Liu et al, 2013 ).…”

Section: Resultsmentioning

confidence: 99%

On the nonlinear anelastic behavior of AHSS

Torkabadi

Perdahcıoğlu

Meinders

et al. 2018

International Journal of Solids and Structures

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“…This behavior is considered today as is shown in the revised literature [2,3]. As an additional example, Liu et al [17] indicated that Young's modulus is a crucial material property parameter affecting springback simulation. They studied the variation of E with plastic deformation for a tube made of 3A21 aluminum alloy through a repeated loading-unloading experiment, obtaining a linear function to describe the relationship between E and plastic strain.…”

Section: Young's Modulus Behavior In Metallic Alloys In Loading-unloa...mentioning

confidence: 98%

Can Young’s Modulus of Metallic Alloys Change with Plastic Deformation?

Roca

Villuendas

Mejı́a

et al. 2014

MSF

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The information in the basic references about the relation between elastic constants and particularly Young’s modulus (E) behavior and plastic deformation indicates that this parameter is constant or almost constant. At the beginning of the XX century several authors indicated that E of some metals decreased when cold deformation increased and detected reductions up to 15% in steels, aluminum, copper, brass... In the last years this behavior is taking into account during the finite-element analysis of sheet metal stamping or other plastic deformation processes. This work includes an extensive review of papers of our research team and of other authors related with the behavior of Young’s modulus during plastic deformation of some metallic alloys. This parameter can diminish up to 10% by plastic deformation (tension test) in iron, aluminum, and stainless steel (UNS S 30403) but remains practically unaltered in aluminum alloys deformed before or after aging. Results of Young’s modulus in nanostructured copper and copper alloys determined by ultrasonic technique are also presented. Additional results of Young’s modulus of UNS G10180 and UNS G10430 steels measured during loading and unloading steps in tension test are also included. High differences in the E values were detected between both steps.

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Springback Prediction Model Considering the Variable Young’s Modulus for the Bending Rectangular 3A21 Tube

Cited by 14 publications

References 15 publications

Variation of elastic modulus of high strength 21-6-9 tube and its influences on forming quality in numerical control rotary draw bending

Variation of elastic modulus of high strength 21-6-9 tube and its influences on forming quality in numerical control rotary draw bending

On the nonlinear anelastic behavior of AHSS

Can Young’s Modulus of Metallic Alloys Change with Plastic Deformation?

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