Intro -- Abstract -- Populärvetenskaplig sammanfattning -- Acknowledgements -- Contents -- Introduction -- Aims and research questions -- Outline -- X-ray diffraction -- What are X-rays? -- Residual stresses -- sin2-method -- Diffraction peak analysis -- Cast Iron -- Graphite and matrix -- Shot peening -- Shot peening of cast iron -- Fatigue -- Fatigue of cast iron -- Residual stresses and fatigue -- Fatigue testing conducted -- Microscopy -- Electron channelling contrast imaging -- Electron backscatter diffraction -- Review of appended publications -- Scientific contribution -- Outlook -- List of publications -- Bibliography -- Papers -- Final words:.