The RED criterion for fatigue life assessment of metals under non-proportional loading

被引：0
|
作者：
Ronchei, Camilla [1 ]
Carpinteri, Andrea [2 ]
Scorza, Daniela [3 ]
Zanichelli, Andrea [2 ]
Vantadori, Sabrina [2 ]
机构：
[1] Department of Civil Engineering, University of Calabria, via Pietro Bucci, Arcavacata di Rende (CS),87036, Italy
[2] Department of Engineering & Architecture, University of Parma, Parco Area delle Scienze 181/A, Parma,43124, Italy
[3] Department of Engineering, University of Naples Parthenope, Centro Direzionale Isola C4, Napoli,80143, Italy
来源：
International Journal of Fatigue | 2022年 / 163卷
关键词：
Aluminum alloys - Low-cycle fatigue;
D O I：
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摘要：
In the present paper, a novel criterion for fatigue life assessment of engineering components under multiaxial low-cycle fatigue regime is proposed. The criterion, named Refined Equivalent Deformation (RED) criterion, allows to take into account, when the load is non-proportional, the fatigue strength decrease experimentally observed for those metals sensitive to non-proportionality. The criterion is applied to two different metals (304 stainless steel and 6061 aluminum alloy) characterised by different non-proportional sensitivities. The accuracy of such a criterion is compared with those of other criteria available in the literature. © 2022 Elsevier Ltd
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