The International Institut of Welding IIW published two papers in 2013 concerning the quality assurance and fatigue assessment. The proposed procedures lead to even higher tolerable stresses as already given by the REFRESH project.
Fatigue strength improvement of steel structures by high-frequency mechanical impact: proposed fatigue assessment guidelines Gary B. Marquis & Eeva Mikkola & Halid Can Yildirim & Zuheir Barsoum available under:
http://link.springer.com/article/10.1007/s40194-013-0075-x
Fatigue strength improvement of steel structures by high-frequency mechanical impact: proposed procedures and quality assurance guidelines Gary Marquis & Zuheir Barsoum
http://link.springer.com/article/10.1007/s40194-013-0077-8
Prof. Gary Marquis and colleagues (University Aalto, Helsinki, Finland) produced many publications in this concern where they always proved the reliability, effectivity and user friendliness of the post-weld-treatment by High Frequency Hammer Peening. They presented 46 documents to commission XIII of the IIW that verified the improvement of the fatigue strength of welded constructions with the help of the HFMI technology.
Literatur
Investigation of the fatigue behaviour of the welded joints treated by TIG dressing and ultrasonic peening under variable amplitude load
Huo L, Wang D, Zhang 2005
Fatigue behaviour of welded high strength steels after high frequency mechanical postweld treatments
XIII-2154-07 Weich, Ummenhofer 2007
Residual stresses and near surface material condition of welded high strength steels after high frequency mechanical post-weld treatments
XIII-2153-07 Nitschke-Pagel 2007
Influence of treatment and loading conditions on the fatigue strength of welds improved by high frequency peening
XIII-2218-08 Weich, Ummenhofer 2008
REFRESH - Lebensdauerverängerung bestehender und neuer geschweißter Stahlkonstruktionen
Forschung für die Praxis P 702 Weich, Ummenhofer 2008
IIW Recommendations
XIII-2200r1-07 Haagensen, Maddox 2008
Effect of preload and stress ratio on fatigue strength of welded joints improved by ultrasonic impact treatment
IIW-2377-11 Okawa, Shimanuki, Funatsu, Nose, Sumi 2011
Contribution to the fatigue enhancement of thin-walled, high-strength steel joints by high frequency mechanical impact treatment
XIII-2416-12 Leitner, Stoschka, Eichlseder 2012
A round robin study of high-frequency mechanical impact (HFMI)-treated welded joints subjected to variable amplitude loading
Yildirim, Marquis 2013
Fatigue strength improvement of steel structures by high-frequency mechanical impact: proposed procedures and quality assurance guidelines
IIW-2395 MARQUIS Gary; BARSOUM Zuheir 2013
Fatigue strength improvement of steel structures by high-frequency mechanical impact: proposed fatigue assessment guidelines
XIII-2452r1-13 MARQUIS Gary; MIKKOLA Eeva; YILDIRIM Halid Can; BARSOUM Zuheir 2013
Untersuchungen zur Anwendung höherfrequenten Hämmerverfahren im Stahlwasserbau
Kuhlmann, Ummenhofer 2013
Ermüdungsverhalten HFH-nachbehandelter Kerbdetails des Mobilkranbaus
Stranghöner, Berg 2014
Ermüdungsgerechte Fachwerke aus Rundhohlprofilen mit dickwandigen Gurten.
Forschung für die Praxis P 815 Kuhlmann, Mangerig, Euler 2014
IIW Recommendations for the HFMI Treatment
DOI 10.1007/978-981-10-2504-4 Gary B. Marquis, Zuheir Barsoum 2016
Entwicklung einer DASt‐Richtlinie für höherfrequente Hämmerverfahren STAHLBAU im Wiley
Verlag Kuhlmann, Breunig, Ummenhofer, Weidner 2018
Potential der Schweißnahtnachbehandlung mithilfe von höherfrequenten Hämmerverfahren für den Einsatz an Offshore-Gründungsstrukturen
researchgate.net Weinert, Gkatzogiannis, Engelhardt, Knödel 2019
Erhöhung der Ermüdungsfestigkeit von geschweißten Konstruktionsdetails in korrosiver Umgebung durch Anwendung höherfrequenter Hämmerverfahren Schweißen und Schneiden
Weinert, Gkatzogiannis, Engelhardt, Knödel 11/2018
DASt-Richtlinie 026 Ermüdungsbemessung bei Anwendung höherfrequenter Hämmerverfahren Stahlbau
Verlags- und Service GmbH ISBN-Nr. 978-3-941687-37-0 2019
FATIGUE STRENGTH AND RESIDUAL STRESS OF LONGITUDINAL ATTACHMENT JOINTS IMPROVED BY HFMI TREATMENT UNDER STATIC LOAD XIII-2903-2021
Takeshi HANJI*, Kazuo TATEISHI, Suguru KANO and Masaru SHIMIZU Nagoya University
PREDICTION OF RESIDUAL STRESS INDUCED BY HIGH-FREQUENCY MECHANICAL IMPACT TREATMENT XIII-2904-2021
Takeshi HANJI*, Kazuo TATEISHI, Suguru KANO and Masaru SHIMIZU Nagoya University
Fatigue life extension of existing welded structures via high frequency mechanical impact (HFMI) treatment Hassan Al-Karawi, Rüdiger U. Franz von Bock und Polach, Mohammad Al-Emrani, Engineering Structures 239 (2021) 112234, April 2021
Fatigue-performance of PWHT welded joints: As-welded vs. high-frequency mechanical impact treatment
Zhiwei Gaoa, Baoming Gonga,b, Yong Liua, Dongpo Wanga, Caiyan Denga, Dianjun Hua, August 2021
