Statistical evaluation of ultra-long life fatigue strength and characteristic inclusion size of carburised Cr-Mn steel

Z. D. Sun, W. Li*, P. Wang

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

摘要

Two statistical methods consisting of statistics of generalised extreme values and exponential generalised Pareto distribution were used to evaluate the characteristic inclusion size of carburised Cr-Mn steel, and to predict the fatigue strength of the steel in the ultra-long-life regime (life is larger than 109 cycles). The fatigue strength evaluated by two models is both higher than the experimental value corresponding to the fatigue life of 109 cycles, where fatigue strength evaluated by the exponential generalised Pareto distribution model is lower in comparison with that evaluated by the generalised extreme values model.

源语言英语
页(从-至)315-318
页数4
期刊Materials Research Innovations
19
DOI
出版状态已出版 - 12月 2015

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