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cyclic hardening

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610147
EISBN: 978-1-62708-303-4
... to generate fatigue data. It compares the Gerber, Goodman, and Soderberg methods for predicting the effect of mean stress from bending data, describes the statistical nature of fatigue measurements, and explains how plastic strain causes cyclic hardening and softening. It discusses the work of Wohler, Basquin...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540121
EISBN: 978-1-62708-309-6
... until much later. The most comprehensive summaries of research results were published in the mid-1960s by Morrow ( Ref 3.2 ) and Manson et al. ( Ref 3.3 , 3.4 ). Highlights of these documents are presented below. Cyclic Strain Hardening and Softening Cyclic Stress-Strain Curve Shortcut Method...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140193
EISBN: 978-1-62708-335-5
... by connecting the points that represent the tips of stabilized hysteresis loops. The curves given indicate the occurrence of cyclic hardening. aluminum alloys compressive tangent modulus curves cyclic hardening stress-strain curves ...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240243
EISBN: 978-1-62708-251-8
... condition of the metal. The metal can either undergo cyclic strain hardening, cyclic strain softening, or remain stable. Cyclic strain hardening and softening are illustrated schematically in Fig. 14.11 . In both cases, the hysteresis loops change with successive cycles. Cyclic hardening leads...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... an issue. For example, precipitation-hardened alloys may undergo overaging, with a resulting strength loss. Oxidation and intergranular attack can occur. Creep occurs in any metal or alloy at a temperature where atoms become sufficiently mobile to allow the time-dependent rearrangement of structure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780238
EISBN: 978-1-62708-281-5
... softening or cyclic hardening). The cyclic strain life data can also be portrayed in a manner analogous to the S - N approach. The total strain amplitude can be divided into elastic and plastic strain amplitude components. The strain amplitude of the fatigue cycle is plotted against the number...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630117
EISBN: 978-1-62708-270-9
... continued cyclic loading, and that can then lead to fracture of the part or structure. Once initiated, the fatigue fracture can propagate by high stresses and low cycles or by low stresses and high cycles. The final rupture may have characteristics of brittle and/or ductile fracture modes, depending...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140039
EISBN: 978-1-62708-264-8
.... This effect is called work hardening and can be understood from the stress-strain diagram in Fig. 5.3 . The stress-strain diagram for the original (undeformed) metal is shown by the dashed line. If the original rod is deformed to point A , it will have strain equivalent to point B when the stress...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490111
EISBN: 978-1-62708-340-9
... or cyclically stable condition. The decrease of Δσ with N is known as cyclic strain softening, whereas the reverse process is called cyclic strain hardening. Well-annealed materials usually undergo cyclic strain hardening, whereas initially well-hardened materials undergo cyclic strain softening. Normalized...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410499
EISBN: 978-1-62708-265-5
... hardening induction hardening microstructure nitriding performance characteristics surface hardening SURFACES OF STEEL PARTS are subject to severe static and cyclic stresses, friction, wear, and corrosive environments. Surface modification treatments have evolved to enhance steel performance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
..., heat treated to a tensile strength of 860 MPa (125 ksi) in the notched and unnotched condition. Figure 13 shows the combinations of cyclic stresses that can be tolerated by the same steel when the specimens are heat treated to different tensile strengths ranging from 860 to 1836 MPa (125 to 265 ksi...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.9781627082709
EISBN: 978-1-62708-270-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.9781627082563
EISBN: 978-1-62708-256-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770135
EISBN: 978-1-62708-337-9
... Investigation of the Effect of Induction Hardening of Fatigue Strength: Behaviour of Residual Stress During Application of Cyclic Stress , Nihon Kikai Gakkai Rombunshu , 1969 , Vol 35 ( No. 272 ), p 693 – 700 44. Weck M. , Kruse A. , and Gohritz A. , “Determination of Surface Fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... include magnitude of stress (either static or cyclic), exposure temperature, and aggressiveness of the environment. Fig. 1 Application-life diagram comparing the severity of a service condition with the service lives of products having a variable characteristic. Source: Ref 1 Design...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
.... Cyclic stress (fatigue) is another common cause of crack propagation. In analyzing a failure, careful attention must be paid to the geometry, orientation, and location of the fracture area. The information obtained may be helpful in understanding the mechanisms responsible for the failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
...Abstract Abstract This chapter examines the effect of heat treating and other processes on the microstructure-property relationships that occur in superalloys. It discusses precipitation and grain-boundary hardening and how they influence the phases, structures, and properties of various alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120095
EISBN: 978-1-62708-269-3
... Some beta alloys of current interest Composition, wt% Common name Principal uses Ti-3Al-8V-6Cr-4Zr-4Mo Beta C or 38-6-44 Springs Ti-10V-2Fe-3Al Ti-10-2-3 Air frames Ti-15V-3Cr-3Sn-3Al Ti-15-3 Strip producible, cold formable, age hardenable, weldable Ti-15Mo-2.7Nb-3Al-0.2Si...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700071
EISBN: 978-1-62708-279-2
...Abstract Abstract This chapter summarizes the performance attributes of advanced high-strength steels, namely stiffness, strength, strain hardening, fatigue, crashworthiness, formability, toughness, and bake hardening. advanced high-strength steels stiffness mechanical strength strain...
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
..., and shear. Important tensile properties that can be determined by the tensile test include yield strength, ultimate tensile strength, ductility, resilience, and toughness. The chapter describes the effects of stress concentrations on ductile metals under cyclic loads. Other topics covered include combined...