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springback analysis

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Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005540
EISBN: 978-1-62708-197-9
... in finite-element analysis of sheet forming and springback analysis: the type of solution algorithm/governing equation and the type of element. The article provides information on various models for material yield criteria. References 1. Sa C.Y. , Computer-Aided Engineering in Sheet Metal...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005131
EISBN: 978-1-62708-186-3
... (almost always finite element based) to include postforming springback analysis. As is shown, the choices of numerical parameters can be quite different for springback, so these aspects are emphasized. As used throughout this article, springback refers to the elastically driven change of shape...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006801
EISBN: 978-1-62708-329-4
... metal, and springback/dimensional. It discusses the processes involved in analytical tools that aid in characterizing the state of a formed part. In addition, information on draw panel analysis and troubleshooting of sheet forming failures is also provided. draw panel analysis fractures necks...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005163
EISBN: 978-1-62708-186-3
... ), 1984 , p 133 – 147 23. Liu Y.C. , The Effect of Restraining Forces on Shape Deviations in Flanged Channels , J. Eng. Mater. Technol., (Trans. ASME ), Vol 110 , 1988 , p 389 – 394 24. Kuwabara T.S. , Takahashi K. , and Ito K. , Springback Analysis of Sheet Metal...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005168
EISBN: 978-1-62708-186-3
... and analysis methods used to measure the relevant data needed to identify the material coefficients Tensile and compressive instabilities in sheet forming. For tensile instability, both strain- and stress-based forming-limit curves are discussed. Springback analysis Finite Element (FE) formulation...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005151
EISBN: 978-1-62708-186-3
... for validation and correlation. Springback is the result of stress relaxation. The springback analysis in step 5 is often skipped to save time. The reality is that springback occurs automatically as soon as the die opens. In some areas of a complex automotive part, the stresses cannot be totally released...
Book Chapter

By Jian Cao
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005166
EISBN: 978-1-62708-186-3
... Abstract Flanging is a process used to form a projecting rim or edge on a part. This article explores how to determine aluminum flanging limits in terms of fracture, wrinkling, and springback, and their influencing material and process parameters with examples. flanging fracture...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005161
EISBN: 978-1-62708-186-3
... results in R n ′=116.9 mm (4.60 in.). A more elaborate analysis of springback ( Ref 11 ) for this case predicts R n ′/2 h =23.41 (or R n ′=117.05 mm, or 4.608 in.). Also, for bending the same strip to R n =40 mm (1.6 in.) and R n =500 mm (19.7 in.), the final radii of curvature from Eq 31...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005153
EISBN: 978-1-62708-186-3
... , p 104 – 106 9. Kay S.M. and Marple S.L. Jr. , Spectrum Analysis—A Modern Perspective , Proc. IEEE , Vol 69 ( No. 11 ), 1981 , p 1380 – 1414 10. Kinsey B. , Cao J. , and Solla S. , Consistent and Minimal Springback Using a Stepped Binder Force...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006527
EISBN: 978-1-62708-207-5
.... , Springback of Doubly Curved Developable Sheet Metal Surfaces—An Overview , Analysis of Autobody Stamping Technology , Proceedings of SAE Annual Conference , 1994 , p 125 – 138 16. Turno A. and Kunzendorf W. , On the Cold Bending Ability of Metal Sheets and Plates , J. Mech. Working...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009153
EISBN: 978-1-62708-186-3
....200505989 10. Takuda H. , Mori K. , Takakura N. , and Yamaguchi K. , Finite Element Analysis of Limit Strains in Biaxial Stretching of Sheet Metals Allowing for Ductile Fracture , Int. J. Mech. Sci. , Vol 42 , 2000 , p 785 – 798 10.1016/S0020-7403(99)00018-1 11...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005100
EISBN: 978-1-62708-186-3
... faces, binders, and so on for the complete die line, including blank development/blanking, die structural analysis, forming, trimming, flanging, and springback compensation. In some cases, geometrical features, friction, and so on can be entered parametrically to allow optimal overall designs...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005146
EISBN: 978-1-62708-186-3
... of stainless steel. However, to reduce the effect of springback variation, improve accuracy, and to gain the advantage of increased ductility, the great majority of formed titanium parts are made by hot forming or by cold preforming and then hot sizing. The following characteristics of titanium and titanium...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005141
EISBN: 978-1-62708-186-3
... Abstract This article discusses the general formability considerations of aluminum alloys. To conduct a complete analysis of a formed part, the required mechanical properties, as determined by several standard tests, must be considered. The article describes tension testing and other tests...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003262
EISBN: 978-1-62708-176-4
.... Sci. , Vol 17 , 1975 , p 31 10.1016/0020-7403(75)90061-2 9. Sidebottom O.M. and Gebhardt C.F. , Elastic Springback in Plates and Beams Formed by Bending , Exp. Mech. , Vol 19 , 1979 , p 371 – 377 10.1007/BF02324252 Elastic analysis of bending deformation can...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005143
EISBN: 978-1-62708-186-3
.... “Advanced Sheet Metal Forming Course,” Metals Engineering Institute Home Study and Extension Course, American Society for Metals , 1979 5. Forming Limits Set for Copper Metals , Am. Mach. , April 1983 , p 99 6. “Forming Limit Analysis for Enhanced Fabrication,” Report 310A...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005149
EISBN: 978-1-62708-186-3
... testing, and simulative tests such as bending tests, stretching tests, the Ohio State University test, the drawing test, and stretch-drawing tests. It extends the correlation between simulative tests and materials properties using forming limit diagrams and circle grid analysis, and discusses...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003290
EISBN: 978-1-62708-176-4
... springback on unloading can be used to determine how much remanent twist angle remains, and consequently, how much torque would be required to twist the specimen back to its original angle of twist prior to relaxation. Because of the increased complexity of testing and analysis of torsion stress...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005150
EISBN: 978-1-62708-186-3
.... These changes have taken the industry from a purely art form to the art/science form that it is today (2006). The sheet metal forming industry is now poised for the next step of going to a truly engineering form, where the meaning of CAE will incorporate true syntheses of design as well as analysis (as it now...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002454
EISBN: 978-1-62708-194-8
... 1550 Springback index (a) , 10 −3 in. −1 9.35 36.7 6.08 11.5 10.6 (a) Static-load-carrying capability is proportional to YS( t ), and large numbers are desirable. Bending force is proportional to YS( t ) 2 . Extent of springback is proportional to YS/( tE ). Small numbers for both...