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Three HCF models for strain fatigue life of welded pipes in austenitic stainless steel
TS Ingenjörsstatistik, Borås, Sweden.
Inspecta Technology AB, Stockholm, Sweden.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Hållfasthet (BMh).ORCID iD: 0000-0002-6730-0214
Inspecta Technology AB, Stockholm, Sweden.
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2015 (English)In: Procedia Engineering, ISSN 1877-7058, E-ISSN 1877-7058, Vol. 101, 476-484 p.476-484Article in journal (Refereed) Published
Abstract [en]

Fatigue bending tests have been performed on welded pipes made from an austenitic stainless steel. Four types of loading were used: 1) constant amplitude, 2) a load expected at pressure vessel environment, 3) a Gaussian load, and 4) a specially constructed two-level block load. The twenty-eight test results are evaluated using three different models: 1) the classical Basquin equation neglecting the fatigue limit, 2) the ASME model with a fatigue limit, and 3) a model with continuously decreasing fatigue limit. No significant differences between the three models were found. Predictions based on constant amplitude results appear to be non-conservative.

Place, publisher, year, edition, pages
2015. Vol. 101, 476-484 p.476-484
Keyword [en]
austenitic stainless steelwelded pipeexperimental strain analysisspectrum loadinghigh-cycle fatigue.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-12447DOI: 10.1016/j.proeng.2015.02.057Local ID: 23580OAI: oai:DiVA.org:ri-12447DiVA: diva2:970271
Conference
3rd International Conference on Material and Component Performance under Variable Amplitude Loading, VAL 2015; Prague Congress Centre5. Prague, Czech Republic; 23 March 2015 through 26 March 2015
Available from: 2016-09-13 Created: 2016-09-13 Last updated: 2017-05-08Bibliographically approved

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Johannesson, Pär
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
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  • Other locale
More languages
Output format
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  • text
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