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Title: On the Relationship Between Low Cycle Fatigue and Crack Growth Rate Properties in Welded Steel Components
Author: Bjorn Skallerud
Source: Fatigue Fract. Engng Mat Struct. Vol 15 No 1
Publication year 1991
Document number: 1991076
Number of pages: 14
Abstract:
Previous investigations have shown that for plain materials, the crack growth rate constants applied in an elastic plastic crack growth model may be obtained indirectly from
the constants describing the low cycle fatigue capacity of the material. In the present study a simple EPFM crack growth model, based on buld strain amplitude as the
governing parameter, is assumed. The crack growth constants dirived from the linear regression constants describing the LCF capaciaty of manually butwelded components are
determined, and the validity of the resulting EPFM crack growth model is checked against measured LCF crack growth data.
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