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strain-range partitioning components

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060043
EISBN: 978-1-62708-343-0
... (but never all four, since Δε PC and Δε CP are mutually exclusive), the first task was to separate—to partition—the total inelastic strain range into its components. Appropriately, the method was named strain-range partitioning. The individual terms, strain and range , were combined into a single word...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060083
EISBN: 978-1-62708-343-0
...-fatigue life prediction hysteresis loops strain-range partitioning components THIS CHAPTER describes analytical and experimental techniques for partitioning any arbitrary cycle into its basic strain-range partitioning (SRP) components. The test cycles normally used to establish the four SRP life...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060069
EISBN: 978-1-62708-343-0
...Abstract Abstract This chapter demonstrates the versatility of the strain-range partitioning method and its application to creep-fatigue problems involving complex loading histories. It begins with a derivation showing that it is possible to assess the damage of hysteresis loops combining two...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060155
EISBN: 978-1-62708-343-0
.... , New York , 1966 10.1115/1.3625225 7.6 Manson S.S. Halford G.R. and Nachtigall A.J. , Separation of the Strain Components for Use in Strain-range Partitioning . Advances in Design for Elevated Temperature Environment , Zamrik S.Y. Jetter R.I. , Eds., American...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060111
EISBN: 978-1-62708-343-0
.... , Separation of the Strain Component for Use in Strain-Range Partitioning , Advances in Design for Elevated Temperature Environment , Zamrik S.Y. and Jetter R.I. , Ed., American Society of Mechanical Engineers , 1975 , p 17 – 28 6.6 Halford G.R. and Saltsman J.F. , Strain...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
... Polytechnic Institute and State University , Oct 1977 , p 599 – 612 8.23 Manson S.S. Halford G.R. and Nachtigall A.J. , Separation of the Strain Components for Use in Strain-Range Partitioning, Advances in Design for Elevated Temperature Environment , Proc. of ASME Second...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700263
EISBN: 978-1-62708-279-2
... is the volume fraction of the constituents (a) and (b). The equations can be solved if the volume fraction, strength, and ductility of each constituent are known. Figure 17.3 shows a plot of the stress-strain curves for the composite and its components. The composite curve is obtained by applying...
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
.... 4.30. Illustration of partitioning of the strain range into component strains. (a) Idealized hysteresis loops for the four basic types of inelastic strain range. (b) Hysteresis loop containing Δ∊ pp , Δ∊ cc , and Δ∊ cp . Fig. 4.31. Combined strain-range-partitioning relationships...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060231
EISBN: 978-1-62708-343-0
... Fatigue—A Partisan Proposal Based on Strain-Range Partitioning , Fatigue at Elevated Temperatures , STP 520, Carden A.E. McEvily A.J. and Wells C.H. , Ed., American Society for Testing and Materials , 1973 , p 744 – 782 10.1520/STP38885S 10.16 Halford G.R. , Low-Cycle...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410233
EISBN: 978-1-62708-265-5
... ferrite by producing recrystallization , a mechanism of microstructural change in which strain-free grains nucleate and grow on heating. Recrystallization is driven by the high strain energy stored in dislocation substructure produced by cold work and is accomplished by short-range iron atom transfer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.9781627082655
EISBN: 978-1-62708-265-5
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000059
EISBN: 978-1-62708-313-3
... content in the 10 to 37 weight percent range because of a reduction in the equilibrium concentration of γ′ in γ and a reduction in coherency strains ( Ref 5 ). This can be discerned from the Ni-Cr-Al phase diagram ( Ref 4 ), which illustrates reduced γ′ fraction with increased chromium content ( Ref 21...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410113
EISBN: 978-1-62708-265-5
... dislocation density of the acicular ferrites and the retained austenite component of the microstructures, yield-to-ultimate-tensile-strength ratios were low. High strain-hardening rates produced by strain-induced transformation of retained austenite contributed to high ultimate tensile strengths...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060001
EISBN: 978-1-62708-343-0
... in Chapter 6, “Total Strain-Based Strain-Range Partitioning—Isothermal and Thermomechanical Fatigue,” of this book. This subject has also been briefly discussed in Chapter 11, “Avoidance, Control, and Repair of Fatigue Damage,” in the companion volume ( Ref 1.1 ). Special Role of Grain Boundaries...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230143
EISBN: 978-1-62708-351-5
... Partitioning 4.1 Metallurgical Constraints and Solutions 4.2 Mechanical Constraints and Solutions 4.3 Constraints Imposed by the Components and Solutions 4.4 Service Environment Considerations 4.2.1 Controlled Expansion Materials 4.2.2 Interlayers 4.2.3 Compliant Structures 4.2.4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440145
EISBN: 978-1-62708-352-2
... and is a maximum at the lowest temperature that the assembly experiences. Materials with a relatively low elastic modulus can accommodate strain and will tend to deform under the influence of this stress, while brittle materials, notably glasses and ceramics, have a tendency to fracture, particularly if the stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... alpha + beta alloy Applications requiring some deep hardenability Ti-5Al-2.5Sn Alpha alloy Good cryogenic properties, highly weldable Transage 175 (Ti-2.5Al-13V-7Sn-2Zr) Deep-hardenable, martensitic alloy Strain transformable, high strength Ti-10V-2Fe-3Al Near-beta forgeable alloy High...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410579
EISBN: 978-1-62708-265-5
... deformation in this temperature range, the strain-induced martensite transformation is delayed to high strains, where the associated strain hardening is useful in delaying necking and increasing postuniform elongation. Effectively, as soon as necking starts, the additional strain causes that area to locally...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
... stress 4.0 Fig. 9.45 ... ...      Assumed strain range ... ... 2.0 Fig. 9.46 In-service degradation of:      Base metal 2.0 J 5 to 15 Fig. 9.39      Coating 2.0 J 2 J Inaccuracy of damage rules None J 3 J Stress and thermal gradients in component Unknown...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
... or constant tensile or compressive strain formed the basic data. Analyses were carried out using the linear damage-summation method, the frequency-modified strain-range equation, and the strain-range-partitioning method. Leven concluded that all three methods predicted the actual lives within a factor of two...