A three-parameter model for fatigue crack growth data analysis

被引：12
|
作者：
De Iorio, A. [1 ]
Grasso, M. [1 ]
Penta, F. [1 ]
Pucillo, G. P. [1 ]
机构：
[1] Univ Napoli Federico II, Dipartimento Meccan Energet, Via Claudio 21, I-80125 Naples, Italy
来源：
FRATTURA ED INTEGRITA STRUTTURALE | 2012年 / 21期
关键词：
Fatigue crack growth; Data analysis; Non-linear regression;
D O I：
10.3221/IGF-ESIS.21.03
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A three-parameters model for the interpolation of fatigue crack propagation data is proposed. It has been validated by a Literature data set obtained by testing 180 M(T) specimens under three different loading levels. In details, it is highlighted that the results of the analysis carried out by means of the proposed model are more smooth and clear than those obtainable using other methods or models. Also, the parameters of the model have been computed and some peculiarities have been picked out.
引用
收藏
页码：21 / 29
页数：9
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