Analysis of multiaxial low cycle fatigue of notched specimens for type 316L Stainless Steel under non-proportional loading

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Analysis of multiaxial low cycle fatigue of notched specimens for type 316L Stainless Steel under non-proportional loading. / Gallo, Pasquale; Bressan, Stefano; Morishita, Takahiro; Itoh, Takamoto; Berto, Filippo.

In: Theoretical and Applied Fracture Mechanics, Vol. 89, 2017, p. 79-89.

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@article{4d26119605b7420db2013d7052b84578,
title = "Analysis of multiaxial low cycle fatigue of notched specimens for type 316L Stainless Steel under non-proportional loading",
abstract = "The paper analyzes multiaxial low cycle fatigue tests of notched specimens under proportional and non-proportional loading conditions. Strain controlled multiaxial low cycle fatigue tests were carried out using circumferentially notched round-bar specimens of type 316L stainless steel, with different stress concentration factors. The experimental results show that the crack initiation site is shifted from the notch tip. Based on this finding, a new model for life evaluation is proposed by taking into account the strain gradient in the proximity of the notch tip and the effective maximum strain range. The new model allows evaluating the fatigue life in a narrow scatter band.",
keywords = "316L stainless steel, Multiaxial fatigue, Non-proportional loading, Notch",
author = "Pasquale Gallo and Stefano Bressan and Takahiro Morishita and Takamoto Itoh and Filippo Berto",
year = "2017",
doi = "10.1016/j.tafmec.2017.01.009",
language = "English",
volume = "89",
pages = "79--89",
journal = "Theoretical and Applied Fracture Mechanics",
issn = "0167-8442",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Analysis of multiaxial low cycle fatigue of notched specimens for type 316L Stainless Steel under non-proportional loading

AU - Gallo, Pasquale

AU - Bressan, Stefano

AU - Morishita, Takahiro

AU - Itoh, Takamoto

AU - Berto, Filippo

PY - 2017

Y1 - 2017

N2 - The paper analyzes multiaxial low cycle fatigue tests of notched specimens under proportional and non-proportional loading conditions. Strain controlled multiaxial low cycle fatigue tests were carried out using circumferentially notched round-bar specimens of type 316L stainless steel, with different stress concentration factors. The experimental results show that the crack initiation site is shifted from the notch tip. Based on this finding, a new model for life evaluation is proposed by taking into account the strain gradient in the proximity of the notch tip and the effective maximum strain range. The new model allows evaluating the fatigue life in a narrow scatter band.

AB - The paper analyzes multiaxial low cycle fatigue tests of notched specimens under proportional and non-proportional loading conditions. Strain controlled multiaxial low cycle fatigue tests were carried out using circumferentially notched round-bar specimens of type 316L stainless steel, with different stress concentration factors. The experimental results show that the crack initiation site is shifted from the notch tip. Based on this finding, a new model for life evaluation is proposed by taking into account the strain gradient in the proximity of the notch tip and the effective maximum strain range. The new model allows evaluating the fatigue life in a narrow scatter band.

KW - 316L stainless steel

KW - Multiaxial fatigue

KW - Non-proportional loading

KW - Notch

UR - http://www.scopus.com/inward/record.url?scp=85012012640&partnerID=8YFLogxK

U2 - 10.1016/j.tafmec.2017.01.009

DO - 10.1016/j.tafmec.2017.01.009

M3 - Article

VL - 89

SP - 79

EP - 89

JO - Theoretical and Applied Fracture Mechanics

JF - Theoretical and Applied Fracture Mechanics

SN - 0167-8442

ER -

ID: 9394558