Fatigue assessment of load-carrying welded cruciform joints
T-form and cruciform joints in which the stress flow is transferred via weld material are widely applied in welded structures. A special type of these joints is presented by fillet-welded joints with incomplete penetration used by economical and manufacturing reasons. At a certain width of the cavit...
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Peter the Great St. Petersburg Polytechnic University
2013-04-01
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Online Access: | http://engstroy.spb.ru/index_2013_03/letova.pdf |
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doaj-e1d6fc276d1b4ff78b2d08cff50a3ed92020-11-25T02:37:06ZengPeter the Great St. Petersburg Polytechnic UniversityИнженерно-строительный журнал2071-47262071-03052013-04-01383515810.5862/MCE.38.7Fatigue assessment of load-carrying welded cruciform jointsS.V. PetinovT.I. LetovaT-form and cruciform joints in which the stress flow is transferred via weld material are widely applied in welded structures. A special type of these joints is presented by fillet-welded joints with incomplete penetration used by economical and manufacturing reasons. At a certain width of the cavity it becomes an active notch which in current design rules is regarded as an initial crack. In that way, fatigue life of the joint is characterized by the crack extensions towards the outer surface of weld bead. Fatigue assessment of these joints requires reliable data on the stress intensity factors values along the crack path. The results of systematic FEA-based calculations of stress intensity factors and respective S-N curves for the considered welded joints are presented. Main results obtained during this investigation can be used in solution of engineering tasks in reference to the fatigue assessment of welded cruciform joints with incomplete penetration.http://engstroy.spb.ru/index_2013_03/letova.pdfwelded joints with incomplete penetrationfatigue of welded jointsFE-based analysis of welded joints with cracksstress intensity factors along the crack pathS-N curves for welded joints with incomplete penetration |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
S.V. Petinov T.I. Letova |
spellingShingle |
S.V. Petinov T.I. Letova Fatigue assessment of load-carrying welded cruciform joints Инженерно-строительный журнал welded joints with incomplete penetration fatigue of welded joints FE-based analysis of welded joints with cracks stress intensity factors along the crack path S-N curves for welded joints with incomplete penetration |
author_facet |
S.V. Petinov T.I. Letova |
author_sort |
S.V. Petinov |
title |
Fatigue assessment of load-carrying welded cruciform joints |
title_short |
Fatigue assessment of load-carrying welded cruciform joints |
title_full |
Fatigue assessment of load-carrying welded cruciform joints |
title_fullStr |
Fatigue assessment of load-carrying welded cruciform joints |
title_full_unstemmed |
Fatigue assessment of load-carrying welded cruciform joints |
title_sort |
fatigue assessment of load-carrying welded cruciform joints |
publisher |
Peter the Great St. Petersburg Polytechnic University |
series |
Инженерно-строительный журнал |
issn |
2071-4726 2071-0305 |
publishDate |
2013-04-01 |
description |
T-form and cruciform joints in which the stress flow is transferred via weld material are widely applied in welded structures. A special type of these joints is presented by fillet-welded joints with incomplete penetration used by economical and manufacturing reasons. At a certain width of the cavity it becomes an active notch which in current design rules is regarded as an initial crack. In that way, fatigue life of the joint is characterized by the crack extensions towards the outer surface of weld bead. Fatigue assessment of these joints requires reliable data on the stress intensity factors values along the crack path. The results of systematic FEA-based calculations of stress intensity factors and respective S-N curves for the considered welded joints are presented. Main results obtained during this investigation can be used in solution of engineering tasks in reference to the fatigue assessment of welded cruciform joints with incomplete penetration. |
topic |
welded joints with incomplete penetration fatigue of welded joints FE-based analysis of welded joints with cracks stress intensity factors along the crack path S-N curves for welded joints with incomplete penetration |
url |
http://engstroy.spb.ru/index_2013_03/letova.pdf |
work_keys_str_mv |
AT svpetinov fatigueassessmentofloadcarryingweldedcruciformjoints AT tiletova fatigueassessmentofloadcarryingweldedcruciformjoints |
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