5 Part III: The Partially Melted Zone 15 Liquation in the Partially Melted Zone 15.1 Formation of the Partially Melted Zone 15.2 Liquation Mechanisms 15.3 Directional Solidification of Liquated Material 15.4 Grain‐Boundary Segregation 15.5 Loss of Strength and Ductility 15.6 Hydrogen Cracking 15.7 Effect of Heat Input 15.8 Effect of Arc Oscillation References Problems 16 Liquation Cracking 16.1 Liquation Cracking in Arc Welding 16.2 Liquation Cracking in Resistance Spot Welding 16.3 Liquation Cracking in Friction Stir Welding 16.4 Liquation Cracking in Dissimilar‐Metal FSW References Problems
6 Part