Results 171 to 180 of about 4,097 (222)
International Journal of Material Forming, 2008 Draw-bend tests performed some years ago on four aluminum alloys (2008-T4, 5182-O, 6022-T4, and 6111-T4) revealed that specimens can continue to change shape for long periods, up to 15 months, following forming and unloading [1]. Contemporaneous tests of autobody steels (DQSK, AKDQ and HSLA steels) tested under identical conditions showed no such time ...
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International Journal of Plasticity, 2013
Abstract For purposes of this review, springback is the elastically driven change of shape of a metal sheet during unloading and following forming. Scientific advances related to this topic have accelerated dramatically over roughly the last decade, since the publication of two reviews in the 2004–2006 timeframe ( Wagoner, 2004 , Wagoner et al ...
R H Wagoner +2 more
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Abstract For purposes of this review, springback is the elastically driven change of shape of a metal sheet during unloading and following forming. Scientific advances related to this topic have accelerated dramatically over roughly the last decade, since the publication of two reviews in the 2004–2006 timeframe ( Wagoner, 2004 , Wagoner et al ...
R H Wagoner +2 more
exaly +3 more sources
A Methodology for Springback Prediction
SAE Technical Paper Series, 2001 <div class="htmlview paragraph">The springback of simple geometries can be predicted through theoretical analysis, however problems arise when transferring this analysis to the manufacturing environment. To determine why this is the case, a study of small curvature free bending through theoretical analysis, manufacturing data and Finite Element ...
Mary Gotzinger +3 more
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Experimental measurement of springback in ISF
, 2017 Incremental sheet forming (ISF) is a very favorable manufacturing process that exhibits many benefits such as reduced cost, increased flexibility, enhanced formability and reduced processing time. However geometrical in accuracy is the biggest limitation in further development on ISF.
Abbas, Syed Kazim
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Springback Determination By Springback Index Approach
SAE Technical Paper Series, 2005<div class="htmlview paragraph">A new mechanical parameter, Springback Index (SBI), is proposed to reflect the magnitude of sheet-metal springback at a given flow stress level. Through conducting Tension-Unloading-Reloading (TUR) tests and measuring the Effective Unloading Modulus (EUM) Parameter, which is defined as the ratio of the non-linear ...
Shuwen Sun, Hongwei Ma, Zhirui Wang
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International Journal of Mechanical Sciences, 2002
Springback, the elastically-driven change of shape of a part after forming, has been simulated with 2-D and 3-D finite element modeling. Simulations using solid and shell elements have been compared with draw-bend measurements presented in a companion paper.
Li, K. P., Carden, W. P., Wagoner, R. H.
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Springback, the elastically-driven change of shape of a part after forming, has been simulated with 2-D and 3-D finite element modeling. Simulations using solid and shell elements have been compared with draw-bend measurements presented in a companion paper.
Li, K. P., Carden, W. P., Wagoner, R. H.
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2023
When producing a part, either by deep drawing, stretch forming or bending, flat sheet is transformed into a design shape and dimension. At the end of the forming process, when the part has been released from the forces of the forming tool, there is a distortion in the shape and dimension of the formed oart. This distortion is termed springback.
Grizelj, Branko +3 more
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When producing a part, either by deep drawing, stretch forming or bending, flat sheet is transformed into a design shape and dimension. At the end of the forming process, when the part has been released from the forces of the forming tool, there is a distortion in the shape and dimension of the formed oart. This distortion is termed springback.
Grizelj, Branko +3 more
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International Journal of Mechanical Sciences, 2002
Springback, the elastically-driven change of shape of a part after forming, has been measured under carefully-controlled laboratory conditions corresponding to those found in press-forming operations. Constitutive equations emphasizing low-strain behavior were generated for three automotive body alloys: drawing-quality silicon-killed steel; high ...
Carden, W. D. +3 more
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Springback, the elastically-driven change of shape of a part after forming, has been measured under carefully-controlled laboratory conditions corresponding to those found in press-forming operations. Constitutive equations emphasizing low-strain behavior were generated for three automotive body alloys: drawing-quality silicon-killed steel; high ...
Carden, W. D. +3 more
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Springback simulation and springback compensation of an aluminum outer panel
AIP Conference Proceedings, 2013In the present paper, the main factors which influence the accuracy of springback simulation are discussed, and the optimized parameters, which aim at obtaining an accurate springback simulation, and the full cycle simulation, which aims at the closest boundary condition between simulation and practice, are discussed.
Xiaojing Zhang +5 more
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2006
Abstract Springback refers to the elastically driven change of shape that occurs after deforming a body and then releasing it. This article presents an introduction to the concepts of springback simulation as well as recommendations for its practice in a metal forming setting of thin beams or sheets. It discusses bending with tension and
R.H. Wagoner, J.F. Wang, M. Li
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Abstract Springback refers to the elastically driven change of shape that occurs after deforming a body and then releasing it. This article presents an introduction to the concepts of springback simulation as well as recommendations for its practice in a metal forming setting of thin beams or sheets. It discusses bending with tension and
R.H. Wagoner, J.F. Wang, M. Li
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