2016BS EN ISO 23146:2016 Fine ceramics (advanced ceramics, advanced technical ceramics). Test methods for fracture toughness of monolithic ceramics. Single-edge V-notch beam (SEVNB) method
2005BS DD CEN/TS 14425-5:2004 Advanced technical ceramics-Test methods for determination of fracture toughness of monolithic ceramics-Part 5:Single-edge vee-notch beam (SEVNB) method