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Strain

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040017
EISBN: 978-1-62708-300-3
... Abstract This chapter discusses the role of plastic deformation in forging and the effect of strain and strain rate on metal flow. It demonstrates the use of stress tensors and shows how metal flow can be represented qualitatively by the displacement of volume elements and quantitatively...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400027
EISBN: 978-1-62708-316-4
... Abstract This chapter discusses the fundamentals of plastic deformation and the role of strain and strain rate in sheet metal forming processes. It describes the conditions associated with uniform deformation, the significance of engineering and true strain, the effect of volume constancy...
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 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 or more...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060111
EISBN: 978-1-62708-343-0
... Abstract This chapter explains why it is sometimes necessary to separate inelastic from elastic strains and how to do it using one of two methods. It first discusses the direct calculation of strain-range components from experimental data associated with large strains. It then explains how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860515
EISBN: 978-1-62708-348-5
... Abstract This chapter discusses three measurements parameters: temperature, strain, and magnetic field strength. It stresses the measurement of temperature because it is the primary variable in nearly all low-temperature material properties. The chapter contains information on methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850536
EISBN: 978-1-62708-260-0
... Abstract This appendix lists etch compositions and procedures that reveal strain patterns in aluminum and nickel-base superalloys. aluminum alloys macroetchants nickel-base superalloys strain patterns Metallography Principles and Practice George F. Vander Voort, p 536-537 DOI...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060065
EISBN: 978-1-62708-355-3
... Abstract This chapter reviews the current technology and examines force application systems, force measurement, strain measurement, important instrument considerations, gripping of test specimens, test diagnostics, and the use of computers for gathering and reducing data. The influence...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060251
EISBN: 978-1-62708-355-3
... Abstract High strain rate tensile testing is used to understand the response of materials to dynamic loading. The behavior of materials under high strain rate tensile loads may differ considerably from that observed in conventional tensile tests. This chapter discusses the processes involved...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870009
EISBN: 978-1-62708-344-7
... Abstract This chapter provides a detailed analysis of the cyclic stress-strain behavior of materials under uniaxial stress and strain cycling. It first considers the case of a stable material under constant-amplitude strain cycling then broadens the discussion to materials that harden or soften...
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
... Abstract The stress-strain curves in this data set are representative examples of the behavior of several cast alloys under tensile or compressive loads. The curves are arranged by alloy designation. Each figure cites the original source of the curve and provides pertinent background...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060043
EISBN: 978-1-62708-343-0
... Abstract Strain-range partitioning is a method for assessing the effects of creep fatigue based on inelastic strain paths or strain reversals. The first part of the chapter defines four distinct strain paths that can be used to model any cyclic loading pattern and describes the microstructural...
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Published: 01 February 2005
Fig. 4.11 Flow stress versus strain and strain rate versus strain, for type 403 stainless steel at 1800, 1950, and 2050 °F (980, 1065, and 1120 °C) (tests were conducted in a mechanical press where strain rate was not constant). [ Douglas et al., 1975 ] More
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Published: 01 February 2005
Fig. 4.12 Flow stress versus strain and strain rate versus strain, for Waspaloy at 1950, 2050, and 2100 °F (1065, 1120, and 1150 °C) (tests were conducted in a mechanical press where strain rate was not constant). [ Douglas et al., 1975 ] More
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Published: 01 July 2009
Fig. 5.3 Determination of inelastic strain, plastic strain, and creep strain in each interval of a stabilized hysteresis loop. (a) Stabilized hysteresis loop. (b) Creep strain after reaching point P . Source: Ref 5.15 More
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Published: 01 July 2009
Fig. 6.23 Schematic strain-strain flow diagram. Elastic strain range versus inelastic strain range for nonisothermal creep-fatigue cycles. Cyclic strain-hardening coefficient K IJ is shown as a decreasing function of hold-time per cycle, assuming constant n . Source: Ref 6.9 More
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Published: 01 January 2015
Fig. 11.8 Schematic diagram showing low-strain portions of stress-strain curves with continuous (quenched) and discontinuous (aged) yielding More
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Published: 01 January 2015
Fig. 11.13 Low-strain portions of stress-strain curves of a low-carbon steel tested at various temperatures as shown. Source: Ref 11.6 More
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Published: 01 January 2015
Fig. 18.10 The effect of strain rate on ductility (top), strain hardening (middle), and tensile and yield strengths (bottom) of an 0.14% C steel with martensitic microstructure tested at 150 °C (300 °F). Source: Ref 18.10 More
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Published: 01 January 2015
Fig. 18.28 Strain hardening as a function of true strain for quenched 4330 specimens tensile tested after tempering at various temperatures for 1 h. Courtesy of Young-Kook Lee. Source: Ref 18.31 More
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Published: 01 January 2015
Fig. 18.29 Strain hardening as a function of true strain in quenched 4340 specimens tensile tested after tempering at various temperatures for 1 h. Courtesy of Young-Kook Lee. Source: Ref 18.31 More