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Structural components of construction machinery often contain cracks or crack-like defects initiated at notches under service cycling loading. The notches most exposed to the fatigue degradation process are often welded joints. It is caused by the fact that those joints usually contain initial imperfections (e.g. internal flaws and defects), which may start to grow during the machine’s operation....
Structural components of construction machinery are subjected to fatigue degradation, caused mainly by operating conditions. The most sensitive to the phenomenon are welded joints of the structure, where cracks can often initiate. They might be decisive for whole structure’s fatigue resource, so modeling those basing on real operational loading should be considered as an essential part of whole machine’s...
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