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Fatigue strength of HFMI treated structures under high R-ratio and variable amplitude loading
Aalto University. (Department of Applied Mechanics)
TWI. (Integrity Management Group)
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
2013 (English)In: Procedia Engineering, ISSN 1877-7058, E-ISSN 1877-7058Article in journal (Refereed) Published
Abstract [en]

High frequency mechanical impact (HFMI) is a post-weld treatment method for improving fatigue strength of welded joints. Much of the experimental research on fatigue performance of HFMI treated welded joints has concentrated on the beneficial compressive residual stresses created by the treatment and the fatigue strength of these joints under constant amplitude loading and relatively low mean stresses. Critical experimental data has been developed in a nearly completed European RFCS project. New mean stress and variable amplitude fatigue data are presented and evaluated with respect to a proposed International Institute of Welding (IIW) design guideline concerning HFMI treated welded joints.

Place, publisher, year, edition, pages
Elsevier, 2013.
Keyword [en]
High frequency mechanical impact (HFMI), Fatigue, Stress relaxation, Mean stress, Variable amplitude loading
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-137312Scopus ID: 2-s2.0-84894486225OAI: oai:DiVA.org:kth-137312DiVA: diva2:678702
Conference
5th Fatigue Design Conference, Fatigue Design 2013, Senlis France,November 27-28,2013
Note

QC 20131213

Available from: 2013-12-12 Created: 2013-12-12 Last updated: 2017-12-06Bibliographically approved

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