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cyclic mechanical loading

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Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002400
EISBN: 978-1-62708-193-1
... for the specimens described in Fig. 22 . Source: Ref 58 Fig. 24 S-N curves for the specimens described in Fig. 22 . Source: Ref 58 Abstract Bending fatigue of carburized steel components is a result of cyclic mechanical loading. This article reviews the alloying and processing factors...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005653
EISBN: 978-1-62708-198-6
... are also limited in providing insight and knowledge about medical devices that may be made of various alloys, combined and connected with potential crevices, and the possibility that they may be cyclically loaded and stressed. Under these types of geometries and mechanical loading states, corrosion becomes...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003307
EISBN: 978-1-62708-176-4
... mechanics. The parameters considered for static loading are C*, C(t), C*(t), C*h, Ct, and Cst(t). For cyclic loading, the parameters are delta Jc and (Ct)avg. An overview of life-prediction models is also provided. brittle materials crack-tip parameters creep behavior creep-fatigue crack growth...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
... Abstract Fatigue failure of engineering components and structures results from progressive fracture caused by cyclic or fluctuating loads. Fatigue is an important potential cause of mechanical failure, because most engineering components or structures are or can be subjected to cyclic loads...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002417
EISBN: 978-1-62708-193-1
... Composite under Cyclic Loads: Mechanisms of Fatigue Crack-Tip Damage , J. Am. Ceram. Soc. , Vol 72 , 1989 , p 1233 – 1238 10.1111/j.1151-2916.1989.tb09713.x 22. Suresh S. , Fatigue of Materials , Cambridge University Press , 1991 , p 451 – 455 23. Evans A.G. and Fuller...
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
... Abstract This article describes the tests for the common types of fabricated components and modeling of metal deformation. It provides an overview of component testing and briefly reviews the relationship of mechanical properties in the process of mechanical design for static loads, cyclic...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
.... The article summarizes the general process of distortion failure analysis. It also discusses three types of distortion failures that provide useful insights into the problems of analyzing unusual mechanisms of distortion. These include elastic distortion, ratcheting, and inelastic cyclic buckling...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003382
EISBN: 978-1-62708-195-5
... load and stress, but can also be in other forms, such as a thermally induced cyclic stress or cyclic exposure to moisture. The integrity of the material is commonly measured in terms of mechanical properties, such as stiffness and strength. The loss in stiffness of a material may create an instability...
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
... of the crack extension that is attributable to the constant or rising-load portion of the cyclic load cycle, when SCC and hydrogen embrittlement mechanisms may be operative. Factors such as stress wave form and stress hold-time are particularly significant under these circumstances. Cycle-dependent...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006781
EISBN: 978-1-62708-295-2
... Abstract Thermomechanical fatigue (TMF) is the general term given to the material damage accumulation process that occurs with simultaneous changes in temperature and mechanical loading. TMF may couple cyclic inelastic deformation accumulation, temperature-assisted diffusion within the material...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003328
EISBN: 978-1-62708-176-4
... under cyclic loading. Full-scale testing facilities and the typical test results required for various applications are discussed. The article also presents information on the transferability of mechanical properties of materials. pressure vessels piping tubing fracture mechanics longitudinal...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006557
EISBN: 978-1-62708-290-7
... Coble’s geometrical models for (a) intermediate-stage and (b) final-stage sintering. Source: Ref 31 Abstract The formation of defects within additive-manufactured (AM) components is a major concern for critical structural and cyclic load applications. Thus, understanding the mechanisms...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004206
EISBN: 978-1-62708-184-9
... of one of the mechanically assisted corrosion tests of a modular femoral hip taper interface. (a) Load vs. time showing a compressive cyclic load to 3300 N applied at 3 Hz. (b) The corresponding fretting current measured between the working and second electrodes (see Fig. 9 ). Note that the current...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003484
EISBN: 978-1-62708-195-5
... for combustion and the exhaust gases in automotive engines. Both intake and exhaust valves are subjected to cyclic mechanical loading at frequencies as high as 50 Hz, so fatigue properties are of primary importance. The valves must also possess good resistance to sliding wear in the valve guide. The exhaust...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002361
EISBN: 978-1-62708-193-1
... and corrosion fatigue. However the underlying mechanisms for both corrosion fatigue and stress-corrosion cracking may very well be the same, as the only difference between these two phenomena is the mode of loading (cyclic vs. sustained). Stress-corrosion cracking is covered elsewhere in this Volume...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003319
EISBN: 978-1-62708-176-4
... sensitivity, influence the sensitivity to cyclic loading ( Ref 29 , 30 , 31 , 32 , and 33 ). The distinction between environmentally induced fatigue and cyclically induced fatigue is not always clear, and some ceramics will exhibit a combination of both mechanisms. Structural components made from...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004119
EISBN: 978-1-62708-184-9
... initiation under cyclic mechanical loading. Refer to text for a discussion of stages (a) through (d). Fig. 4 Pit-initiated in-service failure of a landing gear due to dynamic stresses. The collapse of the high-strength 300M steel main landing gear load barrel was due to severe all-around pitting...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002354
EISBN: 978-1-62708-193-1
... at 103 K of a metastable austenitic stainless steel under plastic-strain control (Δε pl /2 = 1.26 × 10 −2 ). Source: Ref 158 Fig. 31 Effect of cyclic deformation on Al-Zn-Mg-0.5Cu in the initially precipitate-free condition. (a) Before cyclic loading. (b) After cyclic loading at Δε pl /2 = 2...
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
... at the root of the notch is usually not polished. The purpose of polishing is to attain a reproducible surface finish. This is to eliminate surface finish as an uncontrolled variable. Test specimens are cyclically loaded until macroscopically observable cracks initiate and eventually grow to failure. Normally...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003318
EISBN: 978-1-62708-176-4
... analysis is fractography, the study of fracture surfaces. Scanning electron microscopy (SEM) can provide vast insight into failure mechanisms of polymers subjected to cyclic loading. Analysis of the surface with SEM provides the site of crack inception. Discontinuous growth bands are often encountered...