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The influence of thickness on the fatigue endurance of non-load carrying spot welded joints

DOITrouver le DOI : https://doi.org/10.1016/B978-0-08-035764-5.50025-0
AuteurRechercher : 1; Rechercher : 1
Affiliation
  1. Conseil national de recherches Canada
FormatTexte, Chapitre de livre
ConférenceInternational Symposium on Fracture Mechanics, August 23–26, 1987, Winnipeg, Manitoba, Canada
Résumé
Non-load carrying spot welded joints of 301L stainless steel sheets were tested in fatigue. Different combinations of 1.5, 3 and 4.5 mm thick sheets were evaluated. The initiation of the fatigue crack was detected by a compliance method. The obtained S-N curves revealed that the presence of a non-load carrying connection considerably reduces the fatigue endurance limit as compared to plain specimens. It is also shown that the fatigue limit decreases when the thickness of the non-load carrying sheet is increased. However, the thickness of the load carrying sheet has little influence on the fatigue limit. The comparison with other results also showed that the alloy has a small influence on the high-cycle regime. These results indicate that for design purpose in fatigue, the load carried by a spot welded connection is not the only factor to consider. More specifically, in the case of a low-load carrying joint the stress in each sheet and the thickness of the sheet attached to it are the controlling factors in high-cycle fatigue.
Date de publication
Maison d’éditionElsevier
Dans
  • Proceedings of the Metallurgical Society of the Canadian Institute of Mining and Metallurgy: Proceedings of the International Symposium on Fracture Mechanics, Winnipeg, Canada, August 23–26, 1987 : 253–263.
NoteLea auteurs étaient affiliés avec le Conseil national de recherches du Canada, Institut de recherche sur les matériaux industriels lorsqu’ils ont rédigé cet article.
Langueanglais
Publications évaluées par des pairsOui
Numéro du CNRCCNRC 26837
NRC-IGM87TC-203-507-G
Numéro NPARC23004058
Exporter la noticeExporter en format RIS
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Identificateur de l’enregistrement3b74c6c4-3435-4b57-897d-58f34664ea50
Enregistrement créé2018-09-20
Enregistrement modifié2020-06-10

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