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notch effects

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870179
EISBN: 978-1-62708-344-7
... tensile or compressive stress in the hysteresis loops causing variations in fatigue life as large as 50:1 depending on where the transition in fatigue behavior occurs. Neuber analysis notch effects plasticity Introduction Stress Concentrations in the Elastic Range The Classic use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230209
EISBN: 978-1-62708-298-3
...Abstract Abstract This chapter describes the effect of processing variables on the mechanical properties of beryllium, including tensile and yield strength, fracture toughness, creep and fatigue strength, ductile-to-brittle transition, and notch sensitivity. It also discusses the effects...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240221
EISBN: 978-1-62708-251-8
... and causes of these failure modes. Some body-centered cubic and hexagonal close-packed metals, and steels in particular, exhibit a ductile-to-brittle transition when loaded under impact and the chapter describes the use of notched bar impact testing to determine the temperature at which a normally ductile...
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
... notch. Source: Ref 8 Fig. 18 Unnotched and notched properties of an alloy steel. Source: Ref 10 Fig. 20 Dilatation under hydrostatic pressure. Source: Ref 2 Fig. 19 Barreling during compression test. Source: Ref 2 Fig. 21 Bauschinger effect. Source: Ref 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060013
EISBN: 978-1-62708-355-3
... for the Flow Curve Effect of Strain Rate and Temperature Instability in Tension Stress Distribution at the Neck Ductility Measurement in Tensile Testing Sheet Anisotropy <xref rid="t51060013-ref24" ref-type="bibr">(Ref 24)</xref> Notch Tensile Test Tensile Test Fractures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... of notch locations for toughness testing of weld metals (a and b) and heat-affected zone (HAZ) (c through g). Source: Ref 16 Fig. 4 Stress concentration factor ( K t ) versus bolt diameter for bolts with standard metric threads. Source: Ref 6 Fig. 29 Effects of (a) loading rate, (b...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270177
EISBN: 978-1-62708-301-0
... for crack initiation. The presence of a hardened case in this region would magnify the notch effects of the inclusion. Considering the mechanism of operation of the gear, it can be seen that the inner surface of the rim experiences tensile hoop stresses at each point as the gear teeth mesh. Because...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
...). Effect of texture and loading direction. B, basal; T, transverse; RD, rolling direction; TD, transverse direction. Source: Ref 24 Fig. 49 Effect of low oxygen and yield strength on Ti-6Al-4V fatigue limits. Source: Ref 29 Fig. 50 Notch effects on (a) Ti-6Al-4V and (b) Ti-10V-2Fe...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060115
EISBN: 978-1-62708-355-3
..., and the onset of plasticity. The chapter describes the effects of grain-size on yielding, effect of cold work on the hardness and strength, and effects of temperature and strain-rate on the properties of metals and alloys. It provides information on true stress-strain relationships and special tests developed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090333
EISBN: 978-1-62708-266-2
... fracture mode on a plane at an angle of about 60° to the tensile axis. This departure from the 45° angle was assumed to be caused by the notch effect of the stress-corrosion crack. Pampillo observed that nucleation of the stress-corrosion cracks seemed to occur at an embrittled surface layer that showed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870157
EISBN: 978-1-62708-344-7
...Abstract Abstract This chapter deals with the effects of fatigue in rotating shafts subjected to elastic and plastic strains associated with bending stresses. It begins with a review of the basic approach to treating low-cycle fatigue in bending, explaining that the assumption that stress...
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 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... for cantilever bend test specimens. Width = W ; thickness ( B ) = 0.5 W ; half loading span ( L ) = 2 W ; notch width ( N ) = 0.065 W maximum if W &gt; 25 mm (1.0 in.); N = 1.5 mm (0.06 in.) maximum if W ≤ 25 mm (1.0 in.); effective notch length ( M ) = 0.25 to 0.45 W ; effective crack depth (a) = 0.45...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870075
EISBN: 978-1-62708-344-7
... strain ratcheting stress relaxation Introduction Origin of Mean Stress Mean Stress Effects on Fatigue Life A New Comprehensive Model (Manson) References References 4.1 Landgraf R.W. Richards F.D. and LaPointe N.P. , Fatigue Life Prediction for a Notched Member...
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
... studied by testing notched specimens. When a notch is present in a specimen under uniaxial loading, three effects are present: (1) there is an increase or concentration of stress at the root of the notch, (2) there is a stress gradient from the notch toward the center of the specimen, and (3) a triaxial...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870201
EISBN: 978-1-62708-344-7
.... and Roberts R. , “Delay Effects in Fatigue-Crack Propagation,” Stress Analysis and Growth of Cracks , ASTM STP 513, American Society for Testing and Materials , 1972 , p 230 – 259 9.38 Manson S.S. and Hirschberg M.H. , “Low Cycle Fatigue of Notched Specimens by Consideration...
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
... perturbations occur around notches, as shown in Fig. 12.16 . The regions adjoining the notch must carry this portion of the load in addition to their normal share, creating a concentration of force lines at the notch. Fig. 12.15 Stress-concentration effect around a hole. Source: Ref 2 Fig...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310147
EISBN: 978-1-62708-286-0
... as a cast alloy. The systemic difference between cast alloys and their wrought equivalents is that cast alloys generally contain between 1.0 and 2.5% silicon. As with other ferrous alloys, this is done to increase the fluidity of the melt to make it cast more effectively. Silicon has strong metallurgical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140253
EISBN: 978-1-62708-335-5
... fatigue curve. Smooth specimens comparing effects of heat treatment Fig. D6.52 355.0-T7, -T71, sand cast aluminum casting rotating-beam fatigue curve. Notched specimens comparing effects of heat treatment Fig. D6.53 355.0-T71, permanent mold aluminum casting rotating-beam fatigue curve...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730023
EISBN: 978-1-62708-283-9
..., high rates of loading, and the presence of notches. These three factors tend to suppress plastic deformation; therefore, permitting higher stresses. Molasses candy is a good example of these effects. If one tries to break it by bending, it just deforms. However, if it is refrigerated, notched...