The mechanism of fretting — A review

Hurricks, P.L.

doi:10.1016/0043-1648(70)90235-8

Cited by 197 publications

(67 citation statements)

References 13 publications

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“…Protection by the retention of debris within the contact typically results from the debris preventing the first bodies (from which the debris is created) from interacting [29,30]; the severe adhesive wear associated with metalmetal contact is reduced, and the debris layer may also shear easily and thus accommodate the lateral motion. Severe adhesive wear is often encountered when the debris formed during fretting is not able to oxidize to form this protective layer (this has been observed in fretting of noble metals or in fretting of materials in an oxygen-starved environment) [18,[30][31][32]; in this case, the formation of the debris bed does not eliminate the metal-metal contact and thus adhesive (severe) wear continues to be the dominant mechanism of degradation.…”

Section: Discussion (A) Less-conforming Contactsmentioning

confidence: 99%

Fretting wear mapping: the influence of contact geometry and frequency on debris formation and ejection for a steel-on-steel pair

2015

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This paper examines the influence of contact geometry and oscillation frequency in a steel cylinder-on-steel flat fretting contact, with contact geometry being varied via the cylinder radius. Fretting frequency did not significantly impact the wear behaviour for more-conforming contacts, but did so for less-conforming contacts where, at high frequency, the wear rate is approximately 50% of that observed for low-frequency fretting. It is proposed that frequency and contact conformity fundamentally control wear behaviour through influence of both the debris type and the retention or ejection of that debris from the contact. The debris type (either oxide or metallic) is influenced by fretting frequency (which controls the interval between asperity contacts) and by contact conformity (which controls the distance that oxygen has to travel to fully penetrate the contact). Debris retention within the contact is promoted by higher fretting frequencies (the associated higher contact temperature promotes debris agglomeration and sintering in the contact) and by higher contact conformity (which acts as a physical barrier to debris egress). Maps are presented which categorize the observed behaviour and outline a phenomenological framework by which the basic physical processes which influence fretting behaviour can be understood.

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Section: Discussion (A) Less-conforming Contactsmentioning

confidence: 99%

Fretting wear mapping: the influence of contact geometry and frequency on debris formation and ejection for a steel-on-steel pair

2015

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“…Early work by Hurricks [9] classified the mechanisms of fretting wear into three stages, as follows:…”

Section: Introductionmentioning

confidence: 99%

The Role of Temperature and Frequency on Fretting Wear of a Like-on-Like Stainless Steel Contact

2017

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The influences of environmental temperature and fretting frequency on the mechanisms and rates of wear in a like-on-like 304 stainless steel contact were examined and mainly attributed to changes in the mechanical response of the bulk material and to changes in the behaviour of the oxide debris formed in the fretting process. At low temperatures, wear proceeds by continual oxide formation and egress from the contact, whilst at high temperatures, the rate of wear is much reduced, associated with the development of oxide formed into a protective bed within the contact. The temperature at which the change between these two behaviours took place was dependent upon the fretting frequency, with evidence that, at this transition temperature, changes in behaviour can occur as the fretting test proceeds under a fixed set of conditions. An interaction diagram has been developed which provides a coherent framework by which the complex effects of these two parameters can be rationalised in terms of widely accepted physical principles.

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“…The effect of high wear rate gross plasticity accumulation can possibly explain the W-shape wear scar observed in fretting test conducted by [19,23]. At low number of cycle, where high magnitude of plastic accumulation at the central region of the wear scar is predicted can cause significant amount of wear (Fig.…”

Section: Discussionmentioning

confidence: 99%

Evolution of plasticity-based wear damage in gross sliding fretting of a Ti-6Al-4V non-conforming contact

Tobi

Sun

Shipway

2017

Tribology International

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This paper examines the evidence for a plasticity based wear mechanism in the fretting wear of Ti-6Al-4V. Driven by near-surface plastic strain accumulation, the generation of wear debris evolves from coarse metallic debris towards loose fine oxide debris generating W-shape wear scar. The overall wear effect however, is less pronounced at the later stages of wear due to a reduced propensity for plastic deformation in the contact associated with wear induced contact pressure reduction. The evidence suggests that the high wear rate at the early stages of a fretting test are due to debris generation associated with gross plasticity whilst at the later stages, lower wear is associated with less plasticity accumulation.

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The mechanism of fretting — A review

Cited by 197 publications

References 13 publications

Fretting wear mapping: the influence of contact geometry and frequency on debris formation and ejection for a steel-on-steel pair

Fretting wear mapping: the influence of contact geometry and frequency on debris formation and ejection for a steel-on-steel pair

The Role of Temperature and Frequency on Fretting Wear of a Like-on-Like Stainless Steel Contact

Evolution of plasticity-based wear damage in gross sliding fretting of a Ti-6Al-4V non-conforming contact

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