Notes

• NOTE 1 'Crack' and 'crack-like defect' are considered synonymous in this standard.
• NOTE 2 Crack-like defects can, for example, be initiated during material production, fabrication or testing or developed during the service life of a component.
• NOTE 3 The term 'crack-like defect' can include: - For metallic materials flaws, inclusions, pores and other similar defects. - For non-metallic materials, debonding, broken fibres, delamination, impact damage and other specific defects depending on the material.