Size and scale effects in fretting fatigue thresholds

<p>Components subject to fretting experience a peculiar combination of loading conditions, where contact and classical fatigue interact intricately to produce failure. As a consequence, the prediction of fretting fatigue limit curves poses a challenge, in part due to the large number of parame...

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Main Authors: Dini, D, Nowell, D, Korsunsky, A
Format: Journal article
Language:English
Published: Springer 2005
Subjects:
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author Dini, D
Nowell, D
Korsunsky, A
author_facet Dini, D
Nowell, D
Korsunsky, A
author_sort Dini, D
collection OXFORD
description <p>Components subject to fretting experience a peculiar combination of loading conditions, where contact and classical fatigue interact intricately to produce failure. As a consequence, the prediction of fretting fatigue limit curves poses a challenge, in part due to the large number of parameters governing the phenomenon. This poses an obstacle to formulating efficient predictive approaches.</p><p>We demonstrate that these difficulties can be overcome successfully by means of a combination of experimental and computational approaches. Our analysis relies on various experimental data from Hertzian and ’flat and rounded’ contact pad specimens and different calculation procedures developed previously, which resulted in fretting threshold curves for specific loading conditions. The derivation of such thresholds is however rather lengthy, so that for the purposes of formulating design rules a more efficient ’master curve’ approach is proposed.</p><p>This paper presents comprehensive results on the application of an efficient and concise functional description of the fretting fatigue threshold curves based on the use of a ’multi-scaling power law’. The predictions encompass all of the results obtained for different loading conditions by the stress-based approach and by short crack arrest methodology.</p>
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spelling oxford-uuid:3e78b7be-5ff2-4705-8d9f-b5bc65a26b3a2022-03-26T14:25:39ZSize and scale effects in fretting fatigue thresholdsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:3e78b7be-5ff2-4705-8d9f-b5bc65a26b3aEngineering and allied sciencesEnglishSymplectic Elements at OxfordSpringer2005Dini, DNowell, DKorsunsky, A<p>Components subject to fretting experience a peculiar combination of loading conditions, where contact and classical fatigue interact intricately to produce failure. As a consequence, the prediction of fretting fatigue limit curves poses a challenge, in part due to the large number of parameters governing the phenomenon. This poses an obstacle to formulating efficient predictive approaches.</p><p>We demonstrate that these difficulties can be overcome successfully by means of a combination of experimental and computational approaches. Our analysis relies on various experimental data from Hertzian and ’flat and rounded’ contact pad specimens and different calculation procedures developed previously, which resulted in fretting threshold curves for specific loading conditions. The derivation of such thresholds is however rather lengthy, so that for the purposes of formulating design rules a more efficient ’master curve’ approach is proposed.</p><p>This paper presents comprehensive results on the application of an efficient and concise functional description of the fretting fatigue threshold curves based on the use of a ’multi-scaling power law’. The predictions encompass all of the results obtained for different loading conditions by the stress-based approach and by short crack arrest methodology.</p>
spellingShingle Engineering and allied sciences
Dini, D
Nowell, D
Korsunsky, A
Size and scale effects in fretting fatigue thresholds
title Size and scale effects in fretting fatigue thresholds
title_full Size and scale effects in fretting fatigue thresholds
title_fullStr Size and scale effects in fretting fatigue thresholds
title_full_unstemmed Size and scale effects in fretting fatigue thresholds
title_short Size and scale effects in fretting fatigue thresholds
title_sort size and scale effects in fretting fatigue thresholds
topic Engineering and allied sciences
work_keys_str_mv AT dinid sizeandscaleeffectsinfrettingfatiguethresholds
AT nowelld sizeandscaleeffectsinfrettingfatiguethresholds
AT korsunskya sizeandscaleeffectsinfrettingfatiguethresholds