1. API 579–1/ASME FFS–1, Fitness–For–Service, Second Edition, 2016 June.
2. R6, Assessment of the integrity of structures containing defects, Revision 4, 2006 May.
3. BS7910, Guide to methods for assessing the acceptability of flaws in metallic structures, BSI, 2015.
4. Rules for in-service inspection of nuclear power plant components;Code,2018
5. The stress analysis of cracks handbook;Tada,2000