Damage analysis is an important tool in all areas of mechanical engineering. A successful damage investigation initially leads to the clarification of the case and to specific improvements. Furthermore, it allows for the systematic evaluation of typical failure causes, enabling the generalization and transfer of case-specific insights. This provides a foundation for technical and economic optimization, for increasing the reliability and safety of products, and for quality control. The thematic volume addresses the methodology and methods of damage investigation and analysis, presenting possibilities for generalizing statements about individual damage cases based on numerous typical damage images and causes. Content: Introduction to the methodology of damage investigation, investigation procedures: macroscopic and light microscopic examinations.