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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 118-120A Mixed-Effect Multi-Failure-Mechanism Fatigue...

A Mixed-Effect Multi-Failure-Mechanism Fatigue Reliability Model

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Abstract:

Based on the concept of multilevel statistics, mixed-effect fatigue reliability models are presented, by which fatigue reliability can be directly calculated according to stress distribution and fatigue life distribution function condition to stress. Mathematically, the fatigue reliability is estimated as the expectation of a conditional survival probability function to the stochastic stress history. Especially, such models are capable of estimating the fatigue reliability of a component with competing failure mechanisms such as conventional fatigue and giga-cycle fatigue, where two groups of P-S-N curves are involved.

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Materials and Product Technologies II

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Periodical:

Advanced Materials Research (Volumes 118-120)

Pages:

37-42

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.118-120.37

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Online since:

June 2010

Authors:

Li Yang Xie, Wen Qiang Lin, Feng Lu

Keywords:

Failure Mechanism Competition, Fatigue Reliability, Gigacycle Fatigue, Multilevel Statistics

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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