Abstract:German KTA consider the intensively discussed topic of environmentally assisted fatigue (EAF) by introducing so called attention thresholds for the cumulative fatigue usage factors (CUF). Threshold values for both austenitic steels and ferritic steels are defined. If the threshold value is exceeded, further measures like NDT, in-service inspections or detailed assessment procedures have to be performed. One way to handle those measures is to apply sophisticated procedures and to show that the numerically calcu… Show more
“…As shown e.g. in [15], it is possible to reduce conservatism in CUF values considerably. Since CUF en values are always calculated based on CUFs, this reduction can be useful to get acceptable results also in terms of CUF en .…”
“…As shown e.g. in [15], it is possible to reduce conservatism in CUF values considerably. Since CUF en values are always calculated based on CUFs, this reduction can be useful to get acceptable results also in terms of CUF en .…”
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