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torsional creep-fatigue life analysis

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Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002469
EISBN: 978-1-62708-194-8
... in both displacement (strain) or load (stress) control; no backlash exists upon zero-load crossing with modern machines. Reliable stress-strain data are generated. Computer control and computer analysis of data permit a detailed correlation between deformation behavior and fatigue life. Because...
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
... as maintenance and repair. An important link in the improvement chain and the prevention of future failures is a consequent, profound, and competent analysis of fatigue failures. Fatigue Properties and Design Life The three design methods or philosophies in fatigue are given in Table 1 . The methods...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003321
EISBN: 978-1-62708-176-4
... mechanical and fatigue properties than coarse-grained materials. Components that have a mixture of fine- and coarse-grained materials will generally have properties similar to those of the coarse-grained material. Coarse-grained materials exhibit the lowest properties with the exception of creep and stress...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006940
EISBN: 978-1-62708-395-9
... of the lifetime ( Ref 24 ). The idea of correlating fatigue life under cyclic loading and creep life due to slow crack-growth creep in polymers has been investigated in many research studies ( Ref 25 – 32 ). Kanters et al. ( Ref 27 ) applied this idea to a variety of unfilled and filled thermoplastics...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... in high-temperature applications. The complex effects of creep-fatigue interaction are also discussed, although more detail on this is described in the article “Thermomechanical Fatigue: Mechanisms and Practical Life Analysis” in this Volume. Life assessment is also covered in the article “Elevated...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003290
EISBN: 978-1-62708-176-4
... for Process Optimization and Remaining Life Assessment , ASME IGTI Turbo Expo Conference ( Indianapolis, IN ), ASME , 1999 22. Gryzywinski G.G. and Woodford D.A. , Creep Analysis of Thermoplastics Using Stress Relaxation Data , J. Polym. Eng. Sci. , Vol 35 ( No. 24 ), 1995 , p 1931...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003314
EISBN: 978-1-62708-176-4
... load cells extensometry strain measuring devices environmental chambers graphic recorders furnaces heating systems baseline isothermal fatigue testing creep-fatigue interaction thermomechanical fatigue fatigue resistance Fatigue closed loop control advanced software tools fatigue life...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003257
EISBN: 978-1-62708-176-4
..., tensile, compressive, hardness, torsion and bend, shear load, shock, and fatigue and creep testings. It describes the design criteria for combined properties derived from each of the mechanical testing. The article concludes with a discussion on the effect of environment on the mechanical properties...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002366
EISBN: 978-1-62708-193-1
...., LCF) for both uniaxial and torsional fatigue. Assuming an initial crack size on the order of 10 μm, these data suggest that crack propagation is only weakly dependent on crack length for high strain amplitudes. At increasing lives, the fraction of life spent in growing cracks less than 0.1 mm...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001038
EISBN: 978-1-62708-161-0
... be combined with the load history of the part in a design analysis before a component life prediction can be made. In addition to material properties and loads, the design analysis must take into consideration the type of applied loading (uniaxial, bending, or torsional), loading pattern (either periodic...
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: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006344
EISBN: 978-1-62708-179-5
... 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 83 ~69 ~10 66–97 9.6–14 8.23 1850 156...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006802
EISBN: 978-1-62708-329-4
... Integrity Program (ASIP) in 1958 ( Ref 10 ). The fatigue methodology adopted in the ASIP was the reliability approach, which became known as the “safe-life” method. This safe-life approach, used in the development of USAF aircraft in the 1960s, involved analysis and testing to four times the anticipated...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... information on fatigue life assessment, elevated-temperature life assessment, and fitness-for-service life assessment. elevated-temperature life assessment fabrication failure analysis fatigue life assessment fitness-for-service life assessment material defects nondestructive inspection stress...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002398
EISBN: 978-1-62708-193-1
... size, defect size, stress modes, and waveform types. The article discusses various fracture mechanics in cast steels: cyclic stress-strain behavior and low- and high-cycle fatigue life behavior; plane-stress fracture toughness; plane-strain fracture toughness; constant-amplitude fatigue crack...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
.... Torsional fatigue can result from application of a fluctuating or an alternating twisting moment (torque). Axial fatigue can result from application of alternating loading. More complete information is available in the article “ Fatigue Failures ” in Failure Analysis and Prevention , Volume 11 of the ASM...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002413
EISBN: 978-1-62708-193-1
... ( Ref 15 ), and torsion ( Ref 2 , 10 ). Different fatigue life criteria have been used at different laboratories: visible cracking proportioned from total fracture ( Ref 15 ), a predetermined drop in load ( Ref 2 , 3 , 4 , 5 , 6 , 10 , 14 , 16 , 17 ), start of the drop of the maximum tensile...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003225
EISBN: 978-1-62708-199-3
..., surface finish, heat treatment, assembly technique, and environment on fatigue life. In general, factors that influence fatigue life include: Type of loading (uniaxial, bending, torsional) Shape of loading curve Frequency of load cycling Loading pattern (periodic loading at constant...
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
... investigation and corrective action. Fatigue failures in shafts, such as bending fatigue, torsional fatigue, contact fatigue, and axial fatigue, are reviewed. The article provides information on the brittle fracture, ductile fracture, distortion, and corrosion of shafts. Abrasive wear and adhesive wear of metal...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0005689
EISBN: 978-1-62708-176-4
... the height to which the striker metal specimens. bulk modulus. See bulk modulus of elasticity. would have risen had there been no specimen constant-life fatigue diagram. A plot (usually bulk modulus of elasticity (K). The measure of and the height to which it actually rises after on rectangular coordinates...