1. Standard Test Method for Measurement of Fracture Toughness, Annual Book of ASTM Standards,2013
2. BS 7448:“Fracture Mechanics Toughness Test, Part 1 Published in 1991, Part 2: Method for Determination of KIC, Critical CTOD and Critical J Values of Welds in Metallic Materials”,1995
3. An overview of failure assessment methods in codes and standards;Zerbst,2003