期刊
INTERNATIONAL JOURNAL OF FRACTURE
卷 234, 期 1-2, 页码 45-55出版社
SPRINGER
DOI: 10.1007/s10704-021-00523-0
关键词
Crack initiation; Critical plane; FE model; Structural assessment
资金
- Universita degli Studi di Parma within the CRUI-CARE Agreement
This paper simulates an experimental campaign on shot peened Ti6Al4V specimens under fretting fatigue, using the Carpinteri et al. criterion. The study shows the effect of fatigue loading on material properties.
In the present paper, an experimental campaign performed on shot peened Ti6Al4V specimens under fretting fatigue, available in the literature, is simulated by using the Carpinteri et al. criterion. The experiments examined were carried out using a standard configuration, that is, a cylinder against a flat specimen. The fretting loading is a combination of low-cycle fatigue and high-cycle fatigue, and the corresponding stress field is determined by a FE analysis. A theoretical law is applied to describe the relaxed residual stress produced by shot peening treatment and fatigue loading.
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