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Keywords: ummenhofer
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Proceedings Papers
Low-Cycle Fatigue of Post Weld Treated Butt Welds Made of High-Strength Steels
Available to Purchase
Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-527
... high-strength steel metals & mining specimen upstream oil & gas butt weld steel ummenhofer frequency hammer low-cycle fatigue evaluation fatigue resistance test series weld classification test result sn curve standardization load cycle Low-cycle Fatigue of Post Weld Treated...
Proceedings Papers
Effects of Post Weld Treatment And Loading Condition On the Fatigue Life of Ultra High Strength Steels
Available to Purchase
Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-141
... impulses to the material surface using a post weld treatment device. Effects of the treatment are a strain hardening of the surface layer as well as the introduction of residual compressive stresses (Ummenhofer et al. 2005). Within the scope of the research project REFRESH (Ummenhofer et al. 2009...
Proceedings Papers
Concepts For Fatigue Design of Welds Improved By High Frequency Peening Methods
Available to Purchase
Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-540
... approach compressive residual stress calculation ummenhofer compressive stress residual stress recommendation sncurve weld toe strength local fatigue strength stress range high frequency hardness fatigue life fatigue strength specimen Concepts for fatigue design of welds improved...
Proceedings Papers
Extension of Life Time of Welded Fatigue Loaded Structures
Available to Purchase
Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-080
... fatigue strength weld toe fatigue test load cycle improvement method application butt weld residual stress ring flange detail ummenhofer specimen sncurve renewable energy upstream oil & gas life time transverse stiffener investigation Paper No. 2006-JSC-142 Ummenhofer Extension...
