Comparative study of critical plane fatigue criteria on multiaxial variable amplitude loaded welded test specimens

Nimai Domenico Bibbo; Vikas Arora; Jörg Baumgartner

doi:10.1016/j.ijfatigue.2021.106670

Comparative study of critical plane fatigue criteria on multiaxial variable amplitude loaded welded test specimens

Nimai Domenico Bibbo^*
, Vikas Arora
, Jörg Baumgartner

^*Kontaktforfatter

Fraunhofer LBF
Lindø Offshore Renewables Center

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

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Abstract

This paper evaluates three critical plane criteria, namely the Findley, Matake and modified Wöhler curve method and compares them to the IIW's implementation of the Gough–Pollard criteria. Assessment is conducted on a large set of fatigue data of thin-walled tube–tube laser beam welded specimens made of magnesium and aluminum alloys that were tested under proportional/non-proportional and constant/variable amplitude loading. Each criterion is evaluated based on their assessment reliability using both design and experimental S-N curves. The critical plane approaches show encouraging results for weld fatigue assessment but lead to non-conservative fatigue assessment in comparison to the IIW's Gough–Pollard criteria.

Originalsprog	Engelsk
Artikelnummer	106670
Tidsskrift	International Journal of Fatigue
Vol/bind	158
Udgave nummer	106670
Antal sider	18
ISSN	0142-1123
DOI	https://doi.org/10.1016/j.ijfatigue.2021.106670
Status	Udgivet - maj 2022

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10.1016/j.ijfatigue.2021.106670Licens: CC BY

Open Access VersionForlagets udgivne version, 1,42 MBLicens: CC BY

SDU link

Tjek adgangen til materialet i Syddansk Universitetsbiblioteks søgemaskine

1 Ph.d.-afhandling

Analytical Fatigue Life Assessment of a FullScale Wind Turbine Test Bench
Bibbo, N. D., 22. jul. 2022, Syddansk Universitet. Det Tekniske Fakultet. 215 s.
Publikation: Afhandling › Ph.d.-afhandling

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Citationsformater

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title = "Comparative study of critical plane fatigue criteria on multiaxial variable amplitude loaded welded test specimens",

abstract = "This paper evaluates three critical plane criteria, namely the Findley, Matake and modified W{\"o}hler curve method and compares them to the IIW's implementation of the Gough{\textendash}Pollard criteria. Assessment is conducted on a large set of fatigue data of thin-walled tube{\textendash}tube laser beam welded specimens made of magnesium and aluminum alloys that were tested under proportional/non-proportional and constant/variable amplitude loading. Each criterion is evaluated based on their assessment reliability using both design and experimental S-N curves. The critical plane approaches show encouraging results for weld fatigue assessment but lead to non-conservative fatigue assessment in comparison to the IIW's Gough{\textendash}Pollard criteria.",

keywords = "Multiaxial fatigue, Non-proportional fatigue, Notch stress approach, Variable amplitude loading, Welded joints",

author = "Bibbo, \{Nimai Domenico\} and Vikas Arora and J{\"o}rg Baumgartner",

year = "2022",

month = may,

doi = "10.1016/j.ijfatigue.2021.106670",

language = "English",

volume = "158",

journal = "International Journal of Fatigue",

issn = "0142-1123",

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TY - JOUR

T1 - Comparative study of critical plane fatigue criteria on multiaxial variable amplitude loaded welded test specimens

AU - Bibbo, Nimai Domenico

AU - Arora, Vikas

AU - Baumgartner, Jörg

PY - 2022/5

Y1 - 2022/5

N2 - This paper evaluates three critical plane criteria, namely the Findley, Matake and modified Wöhler curve method and compares them to the IIW's implementation of the Gough–Pollard criteria. Assessment is conducted on a large set of fatigue data of thin-walled tube–tube laser beam welded specimens made of magnesium and aluminum alloys that were tested under proportional/non-proportional and constant/variable amplitude loading. Each criterion is evaluated based on their assessment reliability using both design and experimental S-N curves. The critical plane approaches show encouraging results for weld fatigue assessment but lead to non-conservative fatigue assessment in comparison to the IIW's Gough–Pollard criteria.

AB - This paper evaluates three critical plane criteria, namely the Findley, Matake and modified Wöhler curve method and compares them to the IIW's implementation of the Gough–Pollard criteria. Assessment is conducted on a large set of fatigue data of thin-walled tube–tube laser beam welded specimens made of magnesium and aluminum alloys that were tested under proportional/non-proportional and constant/variable amplitude loading. Each criterion is evaluated based on their assessment reliability using both design and experimental S-N curves. The critical plane approaches show encouraging results for weld fatigue assessment but lead to non-conservative fatigue assessment in comparison to the IIW's Gough–Pollard criteria.

KW - Multiaxial fatigue

KW - Non-proportional fatigue

KW - Notch stress approach

KW - Variable amplitude loading

KW - Welded joints

U2 - 10.1016/j.ijfatigue.2021.106670

DO - 10.1016/j.ijfatigue.2021.106670

M3 - Journal article

SN - 0142-1123

VL - 158

JO - International Journal of Fatigue

JF - International Journal of Fatigue

IS - 106670

M1 - 106670

ER -

Comparative study of critical plane fatigue criteria on multiaxial variable amplitude loaded welded test specimens

Abstract

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Analytical Fatigue Life Assessment of a Full­Scale Wind Turbine Test Bench

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Analytical Fatigue Life Assessment of a FullScale Wind Turbine Test Bench