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elastic deformation

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630013
EISBN: 978-1-62708-270-9
... Abstract This chapter focuses on some of the facts of mechanical properties of metals that must be understood to successfully undertake the task of failure analysis. The discussion begins by describing the causes and effects of elastic and plastic deformation followed by a section describing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730023
EISBN: 978-1-62708-283-9
... Abstract The mechanical behavior of a material, in the most practical sense, is how it deforms or breaks under load; in other words, how it responds when stressed. This chapter provides a brief review of the properties associated with mechanical behavior, including stress, strain, elasticity...
Series: ASM Technical Books
Publisher: ASM International
Published: 15 June 2021
DOI: 10.31399/asm.tb.mpktmse.t56010001
EISBN: 978-1-62708-384-3
... to determine when yielding begins. It also explains how to determine other properties via tensile tests, including ductility, toughness, and modulus of resilience. elastic modulus extensometers impact strength linear elastic fracture toughness plastic deformation properties Poisson's ratio tensile...
Series: ASM Technical Books
Publisher: ASM International
Published: 15 June 2021
DOI: 10.31399/asm.tb.mpktmse.9781627083843
EISBN: 978-1-62708-384-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400001
EISBN: 978-1-62708-316-4
...: The workpiece undergoes large plastic deformation, resulting in an appreciable change in shape or cross section. The portion of the workpiece undergoing permanent (plastic) deformation is generally much larger than the portion undergoing elastic deformation, so elastic recovery after deformation is usually...
Series: ASM Technical Books
Publisher: ASM International
Published: 15 June 2021
DOI: 10.31399/asm.tb.mpktmse.t56010019
EISBN: 978-1-62708-384-3
... as well as iron, titanium, brass, and copper alloys. elastic modulus extensometers impact strength linear elastic fracture toughness plastic deformation properties Poisson's ratio tensile properties tensile testing true stress-strain curve analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.9781627083096
EISBN: 978-1-62708-309-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500273
EISBN: 978-1-62708-317-1
... is not preceded by localized necking, but for others, it is. Localized Deformation: The plastic deformation in ISF is localized; that is, the plastic zone is always embedded in the surrounding material, which behaves elastically and supports the forming zone. This can have important effects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130087
EISBN: 978-1-62708-284-6
... into service, the stresses that are experienced by the dimensionally non-conforming component may be quite different from the original design intent. Gradual onset deformation may also happen in parts that are loaded near the elastic limit. It is important to note that the published elastic limit...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500019
EISBN: 978-1-62708-317-1
... operations can be carried out without additional adjustments or corrections of the part geometry. This problem is related to springback and elongation/compression of the sheet as it undergoes deformation. Springback refers to the elastic recovery of the nonuniformly distributed stresses in a deformed part...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700071
EISBN: 978-1-62708-279-2
... to deflection or elastic deformation. It is measured by the modulus of elasticity, which is equal to the slope of the elastic portion of the stress-strain curve. The stiffness of a panel depends on the modulus of elasticity of the material and its geometry. For a rectangular cross section, the stiffness, S...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040051
EISBN: 978-1-62708-300-3
... = − ( σ 1 σ 2 + σ 2 σ 3 + σ 3 σ 1 ) (Eq 5.1d) I 3 = σ 1 σ 2 σ 3 A yield criterion is a law defining the limit of elasticity or the start of plastic deformation under any possible combination...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... of metals under compressive load is quite elusive and is difficult, if not impossible, to achieve because of the elasticity of the metals. As pointed out in Chapter 2, “Mechanical Properties,” in this book, all metals are elastic and deform elastically under load. In fact, the harder and stronger...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720117
EISBN: 978-1-62708-305-8
... the amount of extension Δ L by the original gage length L . The basic result is a stress-strain curve ( Fig. 1b ) with regions of elastic deformation and permanent or plastic deformation at stresses greater than those of the elastic limit. Fig. 1 Typical stress-strain behavior. (a) Definition of s...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400027
EISBN: 978-1-62708-316-4
... elastic deformation. If the magnitude of the force is larger than a threshold value, then the deformation will be also plastic, resulting in an extended length after the force is removed. The homogeneous strain for this deformation can now be defined as: (Eq 3.1) e = ℓ − ℓ 0 ℓ 0...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040017
EISBN: 978-1-62708-300-3
... deformation, several simplifying (but reasonable) assumptions are made: Elastic deformations are neglected. However, when necessary, elastic recovery (for example, in the case of springback in bending) and elastic deflection of the tooling (in the case of precision forming to very close tolerances) must...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040237
EISBN: 978-1-62708-300-3
...-plastic analyses. In the elastic-plastic simulation, material is modeled as deforming elastic-plastically. Thus, the results are given for not only the plastic deformation but also for elastic deformation such as residual stresses and springback. Rigid-plastic simulation assumes material to deform only...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610025
EISBN: 978-1-62708-303-4
... As long as the specimen is loaded within the elastic region, the strain is totally recoverable and the specimen will return to its original length when the load is removed. However, when the load exceeds a value corresponding to the yield stress, the specimen undergoes plastic deformation...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240201
EISBN: 978-1-62708-251-8
... As long as the specimen is loaded within the elastic region, the strain is totally recoverable; that is, the specimen will return to its original length when the load is removed. However, when the load exceeds a value corresponding to the yield stress, the specimen undergoes plastic deformation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400053
EISBN: 978-1-62708-316-4
... and how hardening laws are used to predict strain-hardening behaviors. elastic strain levy-mises equations plastic deformation sheet metal forming strain hardening strain rate WHEN A MATERIAL is deformed, two types of deformation occur: elastic and plastic. Elastic deformation is always...