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reversed bending

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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
... gray iron test bars Table 5 Typical mechanical properties of as-cast standard gray iron test bars ASTM A48 class Tensile strength Torsional shear strength Compressive strength Reversed bending fatigue limit Transverse load on test bar B Hardness, HB MPa ksi MPa ksi MPa ksi...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002411
EISBN: 978-1-62708-193-1
.... , Guerard J.P. , and Freynik H.S. , The Mechanical Properties of Wrought Phosphor Bronze Alloys , STP 183, ASTM , 1956 10.1520/STP183-EB 6. Fox A. , Reversed Bending Fatigue Characteristics of Copper Alloy 510 Strip , J. Mater. , Vol 5 ( No. 2 ), 1970 7. Schriver S.J...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000608
EISBN: 978-1-62708-181-8
... severe pitting. Note that pitting had begun in an adjoining tooth (near top). 0.75× Fig. 511 Bending-fatigue fracture in two teeth of a reverse idler gear of AISI 8617 steel, carburized and hardened to 60 HRC in the case. Arrows point to the root fillets on both sides of each tooth, where...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
...-life criterion gas porosity heat treatment inclusions infinite-life criterion internal bursts macropitting micropitting reversed bending rolling-contact fatigue rotational bending strengthening stress distribution subcase fatigue thermal fatigue torsional loading FATIGUE damage...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003316
EISBN: 978-1-62708-176-4
... nucleation due to fretting must involve a stress concentration or discontinuity. At the microscopic level, examples include: microcracks formed at the base of asperities due to reverse-bending fatigue of the asperities, stress concentrations in the pits left by sheared adhering “cold-welded” asperity...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002372
EISBN: 978-1-62708-193-1
..., in Symposium on Fretting Corrosion , STP 144, ASTM, 1952 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 Fig. 9 Examples of fretting on inner...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005103
EISBN: 978-1-62708-186-3
...-length region, where the residual stress is compressive and offsets a portion of the external stress. Then, nominal uniform strip length in different regions, surface-to surface or edge-to-edge, is achieved as a consequence of a series of reversed bending. The residual stresses in the strip are also...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000613
EISBN: 978-1-62708-181-8
..., and open-header dies. fatigue fracture fractograph hydrogen embrittlement impact fracture microstructure quench cracking reversed bending stress-corrosion cracking tension-overload fracture tool steel Cracking of AISI M2 and M7 end mills due to improper rebuilding procedures. A robotic...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000606
EISBN: 978-1-62708-181-8
... crankshafts driveshaft fatigue fracture fractograph medium-carbon steel reversed bending tensile fracture Fig. 165 Torsional fatigue fracture in an 86-mm (3 3 8 -in.) diam keyed tapered shaft of 1030 steel, commonly termed a “peeling” type of fracture. A loose nut had reduced...
Book Chapter

By Ted Kostilnik
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001235
EISBN: 978-1-62708-170-2
... Reversed bending Smooth turned (a) 2024-T4 Plain, 38 mm (1.5 in.) diam Reversed bending Turned (a) 7079-T6 Plain, 38 mm (1.5 in.) diam Reversed bending Turned (a) 7075-T6 Reversed bending Turned (a) Carbon and low-alloy steels 5160 spring steel (c) Flat leaf, 38 mm (1.5...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002399
EISBN: 978-1-62708-193-1
... 130–180 Ni-Resist ductile (austenitic) D-5B 55–65 140–190 (a) 0.750 in. diameter specimens machined from 1.2 in. diameter test bar. (b) Rotating cantilever beam tests; strength specified is between 10 6 and 10 7 cycles. Source: Ref 4 Table 2 Reversed bending ( R...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005323
EISBN: 978-1-62708-187-0
... treatment impact resistance machinability microstructure physical properties reversed bending sensitivity test bar wear resistance pressure tightness CAST IRONS are alloys of iron, carbon, and silicon in which more carbon is present than can be retained in solid solution in austenite...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... be classified into three basic subdivisions: bending fatigue, torsional fatigue, and axial fatigue. Bending fatigue can result from these types of bending loads: unidirectional (one-way), reversed (two-way), and rotating. In unidirectional bending, the stress at any point fluctuates. Fluctuating stress refers...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003668
EISBN: 978-1-62708-182-5
...Effect of specimen size on the fatigue limit of normalized plain carbon steel in reversed bending Table 1 Effect of specimen size on the fatigue limit of normalized plain carbon steel in reversed bending Specimen diameter Fatigue limit mm in. MPa ksi 7.6 0.30 248 36 38...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005122
EISBN: 978-1-62708-186-3
... kg (6.4 lb) less than would have been needed for a conventional press-forming process. Architectural shapes and aerospace forms that call for compound curves, reverse bends, twists, and bends in two or more planes are also produced by stretch forming. Fig. 3 Stretch draw formed automobile roof...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
.... Industrial fan shafts are typically forged from medium-carbon steels. Primary fatigue stresses are generated from gravity bending and are fully reversed during each revolution at rates of 900 to 1800 revolutions per minute or 15 to 30 Hz. The maximum alternating stress in the fan shaft is typically ±52 MPa...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003320
EISBN: 978-1-62708-176-4
... Combined Bending and Torsion,” Mem. Coll. Eng., Kyushu Imp. Univ., Vol 2 , 1921 , p 117 – 145 3. Fonte M.A. and Freitas M.M. , Semi-Elliptical Crack Growth Under Rotating or Reversed Bending Combined with Steady Torsion , Fatigue Fract. Eng. Mater. Struct. , Vol 20 , 1997 , p 895...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001077
EISBN: 978-1-62708-162-7
... . Pressure die cast, 12.3 MPa m (11.2 ksi in. ) at 24 °C (75 °F). See Table 8 . Reverse bending, 48 MPa (7.0 ksi) at 5 × 10 8 cycles Stress to give 1% secondary creep extension in 10 5 h, per ASME boiler code: 21 MPa (3.0 ksi) at 20 °C (68 °F). See Fig. 2 . Fig. 2...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006344
EISBN: 978-1-62708-179-5
... iron test bars ASTM A48/A48M ISO 185 Tensile strength Torsional shear strength Compressive strength Reversed bending fatigue limit Modulus ( E ) Transverse load on test bar B Hardness, HB MPa ksi MPa ksi MPa ksi MPa ksi GPa 10 3 ksi kN lbf 20 … 152 22 179 26 572...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002405
EISBN: 978-1-62708-193-1
... 37 3RE60 Distilled water … 742 ±320 38 3RE60 Sea water (a) … 742 ±305 38 3RE60 White water … 735 ±265 38 2205 White water … 714 ±265 38 (a) German Industrial Standard Table 4 Fatigue strength under reversed bending stresses Grade...