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Rotating-bending fatigue

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140253
EISBN: 978-1-62708-335-5
... Abstract This data set contains the results of rotating-beam reversed-bending fatigue tests for a wide range of aluminum casting alloys. These fatigue curves are the results of tests on individual lots of material considered representative of the respective alloys and tempers. aluminum...
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Published: 30 November 2013
Fig. 29 Rotating bending fatigue fracture of a keyed shaft of grade 1040 steel, approximately 30 HRC. The fatigue crack originated at the lower left corner of the keyway and extended almost through the entire cross section before final rupture occurred. A prominent beach mark pattern More
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Published: 30 November 2013
Fig. 30 Rotating bending fatigue fracture of a 2-in.-diam grade 1035 steel shaft, hardness 143 HB. The part was designed with a large radius joining the shaft to the shoulder, but it was machined with a sharp tool mark in the fillet. Multiple-origin fatigue around the periphery proceeded More
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Published: 30 November 2013
Fig. 31 Rotating bending fatigue fracture in a grade 4817 steel shaft, carburized and hardened to a surface hardness of 60 HRC. The fracture started in six fillet areas around the periphery, near the runouts of six grooves. The six fatigue areas penetrated separately, but uniformly, to final More
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Published: 01 October 2011
Fig. 16.29 Beach marks in two steel shafts that failed in rotating bending fatigue. (a) Curved beach marks are centered from one fatigue crack origin (arrow). (b) Fatigue fracture initiated at numerous sites along a sharp snap ring groove; ratchet marks appear as shiny spots along the surface More
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Published: 01 November 2012
Fig. 32 Rotating-bending fatigue fracture of a keyed shaft of 1040 steel, approximately 30 HRC. The fatigue crack originated at the lower left corner of the keyway and extended almost through the entire cross section before final rupture occurred. A prominent beach mark pattern is visible More
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Published: 01 December 1999
Fig. 5.44 Rotating bending fatigue of samples initiated by B (alumina, irregular), D (calcium aluminate, spherical), and T (titanium carbonitride, cuboid) type inclusions in an SAE 52100 steel. Source: Ref 65 More
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Published: 01 March 2006
Fig. 7.12 Prediction of rotating-bending fatigue from reversed strain-cycling behavior for four materials. Source: Ref 7.1 More
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Published: 01 March 2006
Fig. 7.16 Circular bar subjected to rotating bending fatigue loading. Source: Ref 7.5 More
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Published: 01 December 2004
Fig. 6.5 Rotating bending fatigue S - N curves ( R = –1.0) for gravity die cast 359.0-T64 aluminum alloy casting with and without Densal II HIP More
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Published: 01 March 2006
Fig. 3.1 Wöhler’s rotating-cantilever, bending fatigue-testing machine. D , drive pulley; C , arbor; T , tapered specimen butt; S , specimen; a , moment arm; G , loading bearing; P , loading spring. Source: Ref 3.2 More
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Published: 01 March 2006
Fig. 7.1 Fatigue data under axial loading and rotating bending for 4130 steel. Source: Ref 7.1 More
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Published: 01 August 2005
Fig. 3.38 Fracture surface of a corrosion fatigue crack in a rotating bending specimen of 2014-T6 aluminum alloy. (a) Optical photograph showing the origin and beach marks typical of fatigue fracture. (b) Microphotograph of a section through the fatigue origin (arrow). The fracture surface More
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Published: 01 August 2005
Fig. 3.40 Comparison of smooth-rotating/pure-bending fatigue test data for 2014-T6 aluminum in dripping commercial synthetic solution and in room-temperature air. A flow of liquid around the center section of the specimen was supplied by capillary action during the test. Source: Ref 3.37 More
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Published: 01 December 1999
Fig. 1.22 Rotating beam fatigue strength of case-hardened 12 mm diam specimens, notched and unnotched. The line for carburized gears shown in Fig. 1.23 is superimposed (converted to rotating bending fatigue). Source: Ref 33 More
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Published: 30 November 2013
Fig. 19 Subsurface-origin fatigue fracture in an induction-hardened 3¼ in.-diam 1541 steel axle that was continuously tested in rotating bending fatigue in the laboratory. The primary fatigue fracture originated at A, while a smaller crack was progressing at B. Note that no beach marks More
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
... Fig. 7.2 Rectangular cross-section bar in flexural bending. Source: Ref 7.2 Fig. 7.1 Fatigue data under axial loading and rotating bending for 4130 steel. Source: Ref 7.1 Fig. 7.3 Circular cross-sectional bar in flexural bending. Source: Ref 7.2 Fig. 7.4...
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Published: 01 September 2008
Fig. 10 Schematic of equipment for fatigue testing in the rotational-bending mode More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130241
EISBN: 978-1-62708-284-6
... and detailed assessment of the effect of a structural flaw are explained, using investigations of the effect of variable core conditions on fatigue resistance as an example. Reference 2 defines the effect of tempering temperature and time of nitriding on the rotational-bending fatigue resistance of 40HM...
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
... of damage also may occur when opposite sides of the fatigue fracture rub against each other during compression or shear loading of a crack. For example, a shaft in rotating bending has a tensile stress at one position (convex side) of the rotating member, while on the opposite (concave) side the compressive...