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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
... Abstract Bending fatigue of carburized steel components is a result of cyclic mechanical loading. This article reviews the alloying and processing factors that influence the microstructures and bending fatigue performance of carburized steels. These include austenitic grain size, surface...
Image
Published: 01 January 2006
Fig. 3 Corrosion (active path dissolution) action and crack initiation under cyclic mechanical loading. Refer to text for a discussion of stages (a) through (d). More
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
..., 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 a much more complicated process. This requires that we develop new ways of thinking about medical device...
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
... in the description of cyclic failure. In the metallurgy, polymer science, and mechanical engineering communities, the word fatigue is a well-accepted term for describing the deformation and failure of materials under cyclic loading conditions. However, in the ceramics literature, the expression static fatigue...
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
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003382
EISBN: 978-1-62708-195-5
.... Fatigue is defined as the degradation of the integrity of a material as a result of external conditions that vary with time. These external conditions are usually in the form of a fluctuating mechanical load and stress, but can also be in other forms, such as a thermally induced cyclic stress or 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: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003668
EISBN: 978-1-62708-182-5
... or notched specimens. However, it is difficult to distinguish between CFC initiation and CFC propagation life with this type of testing. In crack propagation testing, fracture mechanics methods are used to determine the crack growth rates of preexisting cracks under cyclic loading. Preexisting cracks...
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
... high load ratios ( R ∼ 0.8 to 0.9), the maximum in growth rate enhancement comes at high frequencies, up to about 10 or 20 Hz ( Ref 5 ). On its own, anodic dissolution would predict a continuing increase in growth rates for increasing cyclic periods. Advocates of the dissolution mechanism usually...
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: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006940
EISBN: 978-1-62708-395-9
... ( Ref 84 ). However, LEFM analysis is restricted to sharp cracks. In addition, small cracks (less than some critical length) reduce fracture strengths below the levels predicted by LEFM and grow more rapidly under cyclic loading ( Ref 61 ). Linear elastic fracture mechanics was successfully applied...
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.a0004206
EISBN: 978-1-62708-184-9
... crevices, and the possibility that they may be cyclically loaded and stressed. Under these types of geometries and mechanical loading states, corrosion becomes a much more complicated process. This requires that we develop new ways of thinking about medical device corrosion in the presence of mechanical...
Image
Published: 01 June 2012
Fig. 10 Summary of results 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 More
Image
Published: 01 January 2006
Fig. 10 Summary of results 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 More
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
... 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 of defect formation in fusion-based processes is important for prescribing the appropriate process...
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
... studies. (a) Single-edge-notch specimen. (b) Compact-tension specimen Regimes of Fatigue Crack Propagation Fracture mechanics provides a design approach for predicting the life of a cracked structural component under cyclic loading conditions. While the micromechanisms of deformation differ...