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stress-strain behavior

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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006944
EISBN: 978-1-62708-395-9
.... Fig. 3 Typical tensile stress-strain curves of a plastic material, showing the effect of strain-rate and temperature Fig. 4 Schematic stress-strain curves for a typical thermoplastic polymer tested at four temperatures and constant strain-rate; (1) low temperature and brittle behavior, (2...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003538
EISBN: 978-1-62708-180-1
... geometric factors and materials aspects that influence the stress-strain behavior and fracture of ductile metals. It highlights fractures arising from manufacturing imperfections and stress raisers. The article presents a root cause failure analysis case history to illustrate some of the fractography...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006919
EISBN: 978-1-62708-395-9
...; A , cross-sectional area Fig. 38 Nonlinear plate behavior for two in-plane edge conditions and simple supports. t , thickness Fig. 3 Stress-strain behavior of polyether-imide as a function of strain rate, ε ̇ , at 22.2 °C (72 °F). (Note: For small strains, extension, e...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006941
EISBN: 978-1-62708-395-9
... elastic solids , Proc. R. Soc. Lond A , 2003 , p 4591489 – 4591516 Viscoelastic Behavior Spring and Dashpot Models Creep and Stress Relaxation Viscoelastic Response to Stress and Strain Dynamic Tests Material Parameters Transient Tests Nonlinear Behavior Experimental...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006934
EISBN: 978-1-62708-395-9
... Rabotnov ( 1 + A t R b ) σ Untried possibilities t R σ b t R exp ( A σ ) t R [ sinh ( A σ ) ] b Source: Ref 98 Fig. 16 Larson-Miller extrapolation method Fig. 11 Stress-strain behavior...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006819
EISBN: 978-1-62708-329-4
... reviews fatigue assessment methods incorporated in international design and post construction codes and standards, with special emphasis on evaluating welds. Specifically, the stress-life approach, the strain-life approach, and the fracture mechanics (crack growth) approach are described. An overview...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0090908
EISBN: 978-1-62708-221-1
... Abstract An irrigation pipe made of medium-density PE failed during service. This pipe was subjected to severe cyclic-bending strain of the order of 6% while under tensile stress of approximately 6.9 MPa (1000 psi) and a hoop stress of approximately 6.2 MPa (900 psi), far more stringent...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003541
EISBN: 978-1-62708-180-1
... <xref rid="a0003541-ref3" ref-type="bibr">(Adapted from Ref 3)</xref> Under circumstances in which metals may be regarded as purely elastic, polymers may deform nonelastically; that is, in a viscoelastic fashion. Their stress-strain response is nonlinear with time-dependent (creep) deformation; consequently, their fracture behavior...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006928
EISBN: 978-1-62708-395-9
... in the material. Fig. 4 Tensile stress-strain curves for several categories of plastic materials Fig. 6 Stress-strain curves for rubber-modified polycarbonate at room temperature as a function of strain rate Fig. 5 Thermoset versus thermoplastic stress-strain behavior Fig. 22...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006865
EISBN: 978-1-62708-395-9
...-displacement curve for a ductile polymer tested in uniaxial tension Fig. 1 Typical stressstrain curve for a fiber, a plastic, and an elastomer Fig. 2 Typical creep and creep rupture behavior of ductile polymers Fig. 3 Typical creep and creep rupture behavior of nonductile...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001816
EISBN: 978-1-62708-241-9
... by the banded structure, even though grains are of the ultrafine type. Consequently, the Ashby–Verrall model seems to be an appropriate description of the relations between temperature, yield stress, strain rate, and grain size of the mechanical behavior of this steel. Figure 10 shows evidence...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003550
EISBN: 978-1-62708-180-1
... in polyethylene creep rupture. Fig. 2 Effect of thin brittle film on stress-strain behavior of high density polyethylene. Source: Ref 16 Fig. 3 Effect of surface embrittlement from varied UV exposure times on creep rupture behavior of polyethylene at 80°C (175 °F). Source: Ref 17...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
..., one of the most common materials used in structural members, behaves somewhat like the idealized material, limit analysis is very useful to the designer, especially in the analysis of statically indeterminate structures. Figure 1 illustrates the relative stress-strain behavior of a low-carbon...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
..., limit analysis is very useful to the designer, especially in the analysis of statically indeterminate structures. Figure 1 illustrates the relative stress-strain behavior of a low-carbon steel, a strain-hardening material, and an idealized material—all with the same yield strength (the upper yield...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003545
EISBN: 978-1-62708-180-1
... resistance. Total strain at temperature is given by the sum of elastic stress-strain modulus, thermal expansion strain, and creep strain. Change in elastic modulus with temperature cannot be neglected at higher homologous temperatures. Parametric modeling of creep or stress-rupture behavior often normalizes...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001788
EISBN: 978-1-62708-241-9
... of deformation and hence strain rate which are proportional to each other. According to Saha [ 14 ], increasing the ram speed and hence strain rate produces increase in extrusion pressure. Billet flow stress behavior at different average strain rates is used as simulation inputs for strain rate effect on die...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006930
EISBN: 978-1-62708-395-9
... of being completely elastic and completely viscous, exhibit both elastic and viscous behavior. This is illustrated with the spring and dashpot in series. Once a strain has been selected from the linear viscoelastic region obtained from the strain or stress sweep, a dynamic frequency sweep can...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... creep. Constant-stress tests (as opposed to constant-load tests) often do not show tertiary behavior ( Fig. 4 ). Fig. 3 Stages of creep deformation. (a) Strain curve for the three stages of creep under constant-load testing (curve A) and constant-stress testing (curve B). (b) Relationship...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006867
EISBN: 978-1-62708-395-9
... Fig. 1 Effect of environmental stress cracking agents on creep rupture performance Fig. 2 Effect of thin brittle film on stress-strain behavior of high-density polyethylene. Source: Ref 20 Fig. 3 Effect of surface embrittlement from varied UV exposure times on creep...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006932
EISBN: 978-1-62708-395-9
... testing has evolved to such an extent that large-strain behavior can be probed by very sensitive techniques. This is done by the superposition of small stresses or strains onto large stresses. These techniques depict the erasing of aging that follows large deformations. A group of researchers examined...