On the inverse power laws for accelerated random fatigue testing

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dc.contributor.author Allegri, Giuliano -
dc.contributor.author Zhang, Xiang -
dc.date.accessioned 2011-11-13T23:20:46Z
dc.date.available 2011-11-13T23:20:46Z
dc.date.issued 2008-06-01T00:00:00Z -
dc.identifier.citation G. Allegri, X. Zhang. On the inverse power laws for accelerated random fatigue testing, International Journal of Fatigue, Vol. 30, Issue 6, June 2008, pp. 967- 977 -
dc.identifier.issn 0142-1123 -
dc.identifier.uri http://dx.doi.org/10.1016/j.ijfatigue.2007.08.023 -
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/3108
dc.description.abstract This paper addresses the usage of inverse power laws in accelerated fatigue testing under wide-band Gaussian random loading. The aim is not at predicting an absolute value of fatigue life but assessing the fatigue damage relative accumulation. The widely accepted inverse power scaling laws in fatigue damage assessment is discussed, reviewing the engineering standards and pointing out their inherent limitations. A physically consistent general scaling law is obtained by rigorous mathematical analysis in the framework of random vibration theory and the rules of safe-life fatigue analysis. Simplifications of the general scaling rule are presented, highlighting conditions under which the current standard practice could provide a correct an acceptable estimation of the relative fatigue damage accumulation. en_UK
dc.language.iso en_UK -
dc.publisher Elsevier Science B.V., Amsterdam. en_UK
dc.subject Fatigue en_UK
dc.subject Inverse power law en_UK
dc.subject Random loading en_UK
dc.subject Cycle counting en_UK
dc.subject Accelerated testing en_UK
dc.title On the inverse power laws for accelerated random fatigue testing en_UK
dc.type Article -

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