1. ASTM E1820–13: standard test method for measurement of fracture toughness;ASTM,2013
2. BS 7448: part IV. Method for determination of fracture resistance curves and initiation values for stable crack extension in metallic materials;BSI,1997
3. Elastic compliances and stress-intensity factors for side-grooved compact specimens;Shih;Int J Fract,1977
4. Fracture mechanics: fundamentals and applications;Anderson,2005
5. JR-curve testing of three-point bend specimens by the unloading compliance method;Steenkamp,1988