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The effects of ultrasonic peening treatment on the ultra-long life fatigue behavior of welded joints
AbstractThe conventional fatigue design codes was formulated based on the data from test stress cycles less than 1×107. Most of them could not be applied for welded structures serviced in the ultra-long life region so the new recommendations were discussed. The method of ultrasonic peening treatment (UPT) was introduced in this thesis as a post-weld treatment to improve the fatigue strength of the welded structures. The fatigue behavior of welded structures in the ultra-long life region was investigated using an ultrasonic fatigue test machine under two post-weld treatment states: the as-welded and the UPT. Discussion had also been made about the fracture mechanism on the UPT joints in ultra-long life fatigue test.
The effects of ultrasonic peening treatment on the ultra-long life fatigue behavior of welded joints
AbstractThe conventional fatigue design codes was formulated based on the data from test stress cycles less than 1×107. Most of them could not be applied for welded structures serviced in the ultra-long life region so the new recommendations were discussed. The method of ultrasonic peening treatment (UPT) was introduced in this thesis as a post-weld treatment to improve the fatigue strength of the welded structures. The fatigue behavior of welded structures in the ultra-long life region was investigated using an ultrasonic fatigue test machine under two post-weld treatment states: the as-welded and the UPT. Discussion had also been made about the fracture mechanism on the UPT joints in ultra-long life fatigue test.
The effects of ultrasonic peening treatment on the ultra-long life fatigue behavior of welded joints
Yin, Danqing (author) / Wang, Dongpo (author) / Jing, Hongyang (author) / Huo, Lixing (author)
2010-02-04
9 pages
Article (Journal)
Electronic Resource
English
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