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Fatigue improvement of welded bridge details In stainless steel using High-Frequency Mechanical Impact treatment
Chalmers Univ Technol, Gothenburg, Sweden..
Chalmers Univ Technol, Gothenburg, Sweden..
Swerea Kimab, Stockholm, Sweden..
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0003-4180-4710
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2018 (English)In: Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges: Proceedings of the Ninth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2018) / [ed] Powers, N Frangopol, DM AlMahaidi, R Caprani, C, CRC PRESS-TAYLOR & FRANCIS GROUP , 2018, p. 446-451Conference paper, Published paper (Refereed)
Abstract [en]

This paper reports the results from fatigue testing on welded non-load-carrying transverse attachments made of C-Mn (S460) and stainless (LDX2101) steels. The tests are done on 40 mm thick specimens in as-welded and HFMI-treated specimens. Measurements on weld toe radius and weld residual stresses are also reported. The results show that the improvement of fatigue strength that can be achieved by HFMI-treatment on welded LDX2101 steel is similar to what is obtained for equivalent C-Mn steels. Also in the as-welded condition do these two types of steel show similar fatigue strength. HFMI-treatment gives more than 5 steps increase in fatigue strength for both steels, which is higher than what specified, for example by the recommendations of the International Institute of Welding.

Place, publisher, year, edition, pages
CRC PRESS-TAYLOR & FRANCIS GROUP , 2018. p. 446-451
Series
Bridge Maintenance, Safety and Management
National Category
Manufacturing, Surface and Joining Technology
Identifiers
URN: urn:nbn:se:kth:diva-265181ISI: 000494642700056Scopus ID: 2-s2.0-85067025480ISBN: 9781138730458 (print)OAI: oai:DiVA.org:kth-265181DiVA, id: diva2:1380707
Conference
The Ninth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2018), 9-13 July 2018, Melbourne, Australia
Note

QC 20191219

Available from: 2019-12-19 Created: 2019-12-19 Last updated: 2020-01-07Bibliographically approved

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Barsoum, Zuheir

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