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multiaxial stress

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060155
EISBN: 978-1-62708-343-0
... biaxial stress. (d) Torsion. (e) Torsion plus axial loading. Source: Ref 7.1 Fig. 7.1 Two biaxial loading conditions to illustrate aspects of multiaxiality. Source: Ref 7.1 Fig. 7.4 Schematic strain cycle in terms of signed effective strain. Source: Ref 7.1 Fig. 7.5...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490059
EISBN: 978-1-62708-340-9
.... It explains how to deal with time dependent deformation in design, how to estimate cumulative damage under changing conditions, and how to assess the effect of multiaxial stress based on uniaxial test data. It also includes information on rupture ductility, creep fracture, and creep-crack growth...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870105
EISBN: 978-1-62708-344-7
... of a material has a significant effect on which theory best describes its fatigue behavior. crystal structure fatigue life multiaxial fatigue stress-strain relations Introduction Some Important Factors That Govern Fatigue Behavior Stress-Based versus Strain-Based Theories The Stress-Strain...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400053
EISBN: 978-1-62708-316-4
... of elastic behavior or the onset of plastic deformation in a material under multiaxial states of stress. A criterion used for determining the condition of continuing plastic flow is also called the flow criterion . In the uniaxial compression or tensile test, the metal starts to flow plastically when...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870375
EISBN: 978-1-62708-344-7
...) Pure shear on octahedral planes Fig. A.26 Cross linking in polymers Fig. A.39 Typical simple types of loading that lead to multiaxial stresses and strains. (a) Bearing. (b) Torque. (c) Cracked body Fig. A.40 Two types of axial specimens for measuring the stress-strain...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060223
EISBN: 978-1-62708-343-0
... and the longitudinal thermal and mechanical loads is the creation of significant multiaxial stresses in the constituents. Of greatest concern are the multiaxial stress states experienced by ductile metallic matrices, whose yielding characteristics can be influenced by stress state. In turn, yielding causes the Poisson...
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
... the state of stress is multiaxial, it is necessary to calculate the elastic strains induced by the multiaxial state of stress in three mutually perpendicular directions by using the generalized Hooke’s law: (Eq 12.30) e x   =   1 E [ σ x   − ​ ν ( σ y   +   σ z...
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
... 29) G = τ γ Torsion When the state of stress is multiaxial, it is necessary to calculate the elastic strains induced by the multiaxial state of stress in three mutually perpendicular directions by using the generalized Hooke’s law: (Eq 34) e x = 1 E...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870001
EISBN: 978-1-62708-344-7
..., Stress, Strain, and Strength , McGraw-Hill Book Co ., New York , 1967 , p 194 – 195 . 1.2 Carden E.A. , Low Cycle Fatigue under Multiaxial Stress Cycling, paper 108 , Proceedings of the Second International Symposium , Japan Society of Mechanical Engineers , Tokyo , Sept 1967...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060231
EISBN: 978-1-62708-343-0
... Inspection Limitations Work-Hardening/Ductility Reduction Effects Residual (Mean) Stresses Multiaxiality Effects Nonlinear Cumulative Damage Effects Extenuating Factors Combined Effects/Analysis Sequence Analysis of Example Pressure Vessel Thermal Fatigue of Combustor Liner Thermal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030159
EISBN: 978-1-62708-349-2
..., and subsequent damage. This is due to enhanced multiaxial stresses in the composite and is further complicated by the increase in the modulus of the matrix and reduction in strain at lower temperatures. Unfortunately, most composite materials are not subjected to combined mechanical-thermal loading situations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040051
EISBN: 978-1-62708-300-3
... ¯ , in other words the flow rule in uniaxial deformation is: (Eq 5.2) | σ | = F A = σ ¯ where F and A are the instantaneous force and cross-sectional area on which the force acts. In a multiaxial state of stress, plastic flow (yielding) depends on a combination of all stresses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
.... 8.20 (c) 15 22 <4 31 . . . <10 29 . . . 90 . . . 43 Fig. 8.20 (d) 264 141 >23,200 10 69 <12 4 186 20 186 130 (a) Stress hold not regarded as hold period. (b) Stress hold regarded as hold period. (c) Includes effect of compressive period. (d...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.9781627083447
EISBN: 978-1-62708-344-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780199
EISBN: 978-1-62708-281-5
... of pressure on the yield point. Under a multiaxial stress field, a modification of either the Tresca or the von Mises criterion is applicable. The modified Tresca criterion is given by: (Eq 20) σ 1 − σ 2 2 = τ y − μ P and the modified von Mises criterion...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630257
EISBN: 978-1-62708-270-9
...: No postweld heat treatment or stress relief heat treatment, resulting in residual stresses Steep weld-toe angle causing a stress concentration factor of 4 to 5 The possibility of the multiaxial stress state resulting from overall and local geometries, allowing stress at the failure origin to approach...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870325
EISBN: 978-1-62708-344-7
... and residual stresses Yes Yes Multiaxial stress state Yes Yes Off-axis fibers Yes Yes Internal stress concentrations Yes No Multiple initiation sites Yes Yes Nonuniform spacing Yes Yes Interfacial layers Yes No Fractured fibers Yes No Fiber debonding No Yes Fiber...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040017
EISBN: 978-1-62708-300-3
... or compression test data are correlated with flow stress in multiaxial deformation conditions. Anisotropy and Bauschinger effects are neglected. Volume remains constant. Friction is expressed by a simplified expression such as Coulomb’s law or by a constant shear stress. This is discussed later...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... before any plastic deformation can occur. Stress concentrations leading to brittle failure can be minute surface or interior cracks (microcracks) or internal pores, which are virtually impossible to eliminate or control. Plane-strain fracture toughness ( K Ic ) values for ceramic materials are much...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870237
EISBN: 978-1-62708-344-7
... effects, foreign particles, and stresses generated by rolling contact. crack growth crack initiation dislocations fatigue mechanism plasticity rolling contact Introduction Some Early Theories Some Tools for Observation That Have Aided in Understanding Role of Plasticity Surface...