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Published: 01 January 1987
Fig. 217 Reversed bending fatigue of a 40-mm (1.6-in.) diam AISI 1046 steel shaft (30 HRC). Note the symmetrical fatigue pattern of beachmarks on each side, with the final rupture on the diameter. This indicates that each side of the shaft was subjected to the same maximum stress More
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Published: 01 January 1987
Fig. 759 Five fatigue-fracture surfaces that were produced in reversed bending in pneumatic testing machine. The material is AISI W1 tool steel. The lighter areas of the fracture surfaces are the fatigue zones—all of which were initiated at the lower right corners. Note the lack of beach marks More
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Published: 01 January 2002
Fig. 24 1040 steel fan shaft that fractured in reversed-bending fatigue. (a) Overall view of shaft. Dimensions given in inches. (b) Fracture surface showing diametrically opposed origins (arrows) More
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Published: 01 December 1998
Fig. 8 Reversed bending fatigue life at room temperature for gray iron containing 2.84% C, 1.52% Si, 1.05% Mn, 0.07% P, 0.12% S, 0.31% Cr, 0.20% Ni, and 0.37% Cu. Open circles represent notched specimens; closed circles represent unnotched specimens. More
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Published: 30 August 2021
Fig. 34 Grade 1040 steel fan shaft that fractured in reversed-bending fatigue. (a) Overall view of shaft. Dimensions given in inches. (b) Fracture surface showing diametrically opposed origins (arrows) More
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Published: 01 January 1996
Fig. 6 Effect of cryogenic temperature on reversed bending fatigue ( R = 1) of transverse double-V butt welds in 5083-H113 0.375 in. plate and filler metal. Source: Ref 15 More
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Published: 01 June 2024
Fig. 38 Microscopic features in a notched specimen that failed via reversed-bending fatigue ( Fig. 37 ). Local fatigue-crack propagation in five different views of striations, with the dimple-rupture overload zone at the overload site at bottom right. Courtesy of Element Materials Technology More
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Published: 01 December 2004
Fig. 48 Nickel 200 specimen fatigued in reverse bending for 10 4 cycles. Use of differential interference contrast illumination shows persistent slip bands with associated cracks outlined against a blue background. Chemically polished. 800×. (C.E. Price) More
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Published: 01 June 2024
Fig. 27 Reverse bending of a steel dovetail rod from a large generator. Fatigue initiated on opposite sides, propagating toward the center. The load reversal was incomplete, driving the upper crack in this image farther than the lower crack. The final overload (OL) region is a horizontal band. More
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Published: 01 June 2024
Fig. 15 Reverse-bending fatigue showing (a) a fatigue surface with origins at the top, a region of ductile overload at the center, and fatigue from the other edge of the shaft at the bottom. The lighting is direct overhead light from a large light source. Postfracture damage is apparent More
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Published: 01 June 2024
Fig. 16 Optical views of a reverse-bending fatigue failure in a rear-suspension spindle. (a) Optical view of entire fracture surface. (b) Magnified view showing three zones. Ratchet marks at top and bottom of view show fatigue-crack initiations on both sides of the component. (c) Further More
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Published: 01 June 2024
Fig. 37 Fracture surface of a specimen that was subjected to reverse-bending fatigue, resulting in the failure of a small shaft with a notch. Macroscopic crack propagation occurred in the horizontal orientation, as indicated by the crack-arrest line contours in the two directions More
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Published: 01 January 1990
Fig. 21 Typical reverse bending fatigue curve at room temperature for C86500 More
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Published: 01 January 1990
Fig. 40 Typical reverse bending fatigue curve for C93700 More
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003107
EISBN: 978-1-62708-199-3
... Abstract This article provides information on the classification, microstructure, castability and section sensitivity of gray iron. It describes properties of the test bar and provides a short note on fatigue limit in reversed bending. Although the ASTM size B test bar is the bar most commonly...
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Published: 01 January 1996
Fig. 10 Examples of fretting fatigue test configurations. (a) Cantilever beam reverse bending with single pads. (b) Rotating fully reversing bending with double foot-pad bridges and proving ring More
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Published: 01 January 2000
Fig. 10 Examples of fretting fatigue test configurations. (a) Cantilever beam reverse bending with single pads. (b) Rotating fully reversing bending with double foot-pad bridges and proving ring More
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Published: 31 August 2017
Fig. 35 Effect of temperature on fatigue behavior of a gray iron (2.84% C, 1.52% Si, 1.05% Mn, 0.07% P, 0.12% S, 0.31% Cr, 0.20% Ni, 0.37% Cu). (a) Reversed bending fatigue life at room temperature. (b) Reversed bending fatigue limit at elevated temperatures. Source: Ref 56 More
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Published: 01 December 2008
Fig. 17 Effect of temperature on fatigue behavior and tensile strength of a gray iron (2.84% C, 1.52% Si, 1.05% Mn, 0.07% P, 0.12% S, 0.31% Cr, 0.20% Ni, 0.37% Cu). (a) Reversed bending fatigue life at room temperature. (b) Reversed bending fatigue limit at elevated temperatures. (c) Tensile More
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Published: 01 January 1990
Fig. 13 Effect of temperature on fatigue behavior and tensile strength of a gray iron (2.84% C, 1.52% Si, 1.05% Mn, 0.07% P, 0.12% S, 0.31% Cr, 0.20% Ni, 0.37% Cu). (a) Reversed bending fatigue life at room temperature. (b) Reversed bending fatigue limit at elevated temperatures. (c)Tensile More