1. ASTM E399-12, 2012. “Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness KIC of Metallic Materials,” ASTM International, American Society for Testing and Materials, West Conshohocken, PA, USA.
2. ASTM E 1221-12, 2012. “Standard Test Method for Determining Plane-Strain Crack-Arrest Fracture Toughness, KIa, of Ferritic Steels”, ASTM International, American Society for Testing and Materials, West Conshohocken, PA, USA.
3. ASTM E1820-15a, 2015. “Standard Test Method for Measurement of Fracture Toughness,” ASTM International, American Society for Testing and Materials, West Conshohocken, PA, USA.
4. ASTM E1921-15a, 2015. “Standard Test Method for Determination of Reference Temperature, T0, for Ferritic Steels in the Transition Range,” ASTM International, American Society for Testing and Materials, West Conshohocken, PA, USA.
5. BS 7448-3:2005, 2005. Fracture Mechanics Toughness Tests, Part. Method for Determination of Fracture Toughness of Metallic Materials at Rates of Increase in Stress Intensity Factor Greater than 3.0 MPa∙m0.5s-1, BSI.