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elastic bending

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Published: 01 January 2006
Fig. 7 Springback of a beam in simple bending. (a) Elastic bending. (b) Elastic and plastic bending. (c) Bending and stretching More
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
... springback after bending, and discusses the variables and their effects on springback, as well as the methods to overcome or counteract them. These methods include overbending, bottoming or setting, and stretch bending. The article provides information on elastic bending, non-cylindrical bending, elastic...
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
.... This article discusses the stress-strain relationships, strain curvature, and stress-moment equations for elastic, noncylindrical, elastic-plastic, and pure plastic bending conditions. It also reviews the distribution of residual stress and springback. stress-strain behavior bending deformation strain...
Book Chapter

By Eugene Shapiro
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003268
EISBN: 978-1-62708-176-4
... specifies a bend test to determine the modulus of elasticity in bending. Japanese Industrial Standard JIS 3130 specifies two tests to determine the elastic limit of spring plate or strip: the repeated deflection spring test and the moment type spring test. bend testing ductility strength specimen...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002453
EISBN: 978-1-62708-194-8
... of the component for which a material is sought. A beam carries bending moments; a heat-exchanger tube transmits heat; a spring stores elastic energy. Step 2: Write down an Equation for the <italic>Objective;</italic> Step 2: Write down an equation for the objective; it is called the “objective function...
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
... of large-strain, elastic-plastic deformation are treated in a simplified, intuitive way, with numerous references provided for those wishing to delve into the theoretical underpinnings in more detail. Simple bending is first considered, along with a discussion of approximations, then bending with tension...
Image
Published: 01 January 2006
Fig. 24 Simulated role of plasticity in springback for a draw-bend test. (a) Difference of springback angle (Δθ) for pure-elastic and elastoplastic springback simulations. (b) Differences in through-thickness stress distribution following pure-elastic and elastoplastic springback. R / t More
Image
Published: 01 January 2000
Fig. 15 Load-deflection plot for 0.76 mm (0.030 in.) thick spring-tempered C51000 phosphor-bronze strip. Data obtained by three-point bend testing for determination of modulus of elasticity in bending. Source: Bell Laboratories More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0005689
EISBN: 978-1-62708-176-4
.... by the radius or angle of bend in a bend test. to applied forces. See also modulus of elastic- engineering stress (s). A term sometimes used See also malleability. ity, bulk modulus of elasticity, shear modulus, for conventional stress in order to differenti- and Poisson s ratio. ate it from true stress...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4
Image
Published: 01 December 1998
Fig. 5 Stress relaxation in C17200 at two levels of initial stress. Data are for beryllium copper (1.9% Be) strip, 0.38 mm (0.015 in.) thick. Open symbols represent initial test stress equal to 80% of the monotonic bending yield stress; solid symbols represent initial stress 50% of the bending More
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
... slight change in the dimensions of the part. However, in areas subjected to bending, through-thickness gradients in the elastic stresses will occur; that is, the stresses on the outer surfaces will be different from those on the inner surfaces. If these stresses are not constrained or “locked...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003311
EISBN: 978-1-62708-176-4
... specimen type. linear-elastic fracture mechanics elastic-plastic fracture mechanics fracture mechanics ceramics single edge notch bending testing compact tension testing double cantilever beam testing chevron notch methods double torsion method fracture toughness ceramic matrix composites...
Image
Published: 01 January 2000
Fig. 8 Schematic of the compliance-controlled three-point bending test with a parallel elastic element (PEL). Adapted from Ref 60 More
Image
Published: 30 November 2018
Fig. 9 Springback scales linearly with stress level and elastic modulus, however, larger thickness reduces bending springback. Source: Ref 33 More
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
... required to lift the specimen free of one or more constraints during the test period Elastic springback upon unloading at the end of the test period Fig. 10 Stress-relaxation bend test specimen and spheromometer in four-point loaded beam with uniform cross-section Fig. 11 Stress...
Image
Published: 15 January 2021
Fig. 5 Results obtained from a steel four-point bend specimen in round-robin tests. The x-ray elastic constant (½ S 2 ) was determined to be 3.687 10 −5 ksi −1 . More
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