2020
DOI: 10.1177/1464420720946431
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Fretting fatigue crack initiation and propagation in Ti6Al4V sheets under tribocorrosive conditions of artificial seawater and physiological solutions

Abstract: The interaction of mechanical components experiencing relative movements and cyclic loads in a corrosive environment is known as fretting corrosion or tribocorrosion. In the current work, the mechanism of crack initiation and propagation in dovetail slots of Ti6Al4V samples (in contact with carbide rods) under fretting corrosion conditions was investigated. A newly developed test rig installed on a universal testing machine was used to conduct tests at 20 Hz frequency under 5 and 7.5 kN fretting loads. Tests w… Show more

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Cited by 8 publications
(5 citation statements)
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“…In multi-phase steels, it is known from the literature [24,25,28,65,66] that the steel matrix endures most deformation, whereas due to the very high strength of ceramic particles, they undergo elastic deformation. Considering the complexity and detail associated with the steel matrix, the material model of the streel matrix is calibrated, and the ceramic particles are assigned elastic attributes.…”
Section: Discussionmentioning
confidence: 99%
“…In multi-phase steels, it is known from the literature [24,25,28,65,66] that the steel matrix endures most deformation, whereas due to the very high strength of ceramic particles, they undergo elastic deformation. Considering the complexity and detail associated with the steel matrix, the material model of the streel matrix is calibrated, and the ceramic particles are assigned elastic attributes.…”
Section: Discussionmentioning
confidence: 99%
“…The obtained test results agree with the given assumption and at the same time it is visible that the 1.4034 steel alloy has the highest level of fatigue limit. Also, an interesting research was presented in Anjum et al 24 The considered problem refers to the analysis of the mechanism of crack initiation and its propagation in dovetail slots of Ti6Al4V samples under fretting corrosion conditions. This state may be represented at mechanical components experiencing cyclic loads in tribocorrosion conditions.…”
Section: High Cyclic Fatigue Testingmentioning
confidence: 99%
“…For example, techniques such as scanning electron microscopy (SEM) and transmission electron microscopy (TEM) allow the characterization of inclusions in terms of size, shape, and chemical composition [14,18]. Coupling these microscopy techniques with energy-dispersive X-ray spectroscopy (EDS) provides detailed information on the elemental distribution within inclusions [19][20][21]. Furthermore, electron backscatter diffraction (EBSD) can be used to investigate the relationship between inclusions and the surrounding microstructure, including grain orientation and misorientation [22].…”
Section: Introductionmentioning
confidence: 99%