AFCEN-RS-17-019-A
Reference: AFC238
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Appendix 5.4 of RSE-M Principles of and background to the formulation of analytical methods for calculating stress intensity factors and the J integral for a planar defect.
Type:
Criteria
Edition year:
2017
Appendix 5.4 of the RSE-M defines all the methods used to calculate the fracture mechanics parameters used in the procedure to verify acceptability criteria for the risk of fracture of planar defects in pressure components (ESP) during operation.
To be more specific, Appendix 5.4 is concerned with calculating two parameters:
- the elastic stress intensity factor KI
- the J integral, derived from the elastic stress intensity factor and corrected to take account of the effects of plasticity, which are assessed on the basis of two parameters: the reference stress ref for mechanical loads and kth correction for thermal loads representing a temperature gradient through the thickness of the component wall.
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Criteria Appendix 5.4 - 2017Criteria Appendix 5.4 - 2017
Appendix 5.4 of RSE-M Principles of and background to the formulation of analytical methods for calculating stress intensity factors and the J integral for a planar defect.
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