1. ASTM International, E1820-23 Standard Test Method for Measurement of Fracture Toughness, ASTM International, West Conshohocken, 2023. https://doi.org/10.1520/E1820-23.
2. The British Standards Institution, BS ISO 12135:2021 Metallic materials. Unified method of test for the determination of quasistatic fracture toughness, BSI Standards Limited, 2021.
3. The Japan Welding Engineering Society, WES 1108:2016 Standard test method for crack-tip opening displacement fracture toughness measurement, 2016.
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5. Evolution of the geometrical and morphological characteristics of splits during fracture toughness test;González Assías;Theor. Appl. Fract. Mech.,2022