Materials and welding metallurgy
HAZ / TOO
HAZ / TOO – interactive engineering module focused on heat affected zone HAZ welding. Learning format: Simulator · Interactive visualisation. Explains the principle, technical relationships and practical use.
SimulatorInteractive visualisation
Open interactive module →Topic overview
The CGHAZ lies adjacent to the fusion boundary and has coarse grains. The FGHAZ has finer grains. The ICHAZ is heated between the critical temperatures, while the SCHAZ is the subcritically affected region.
What the module covers
- HAZ microstructure simulator
- HAZ regions
Educational content does not replace current standards, approved WPS/WPQR documentation or decisions by competent welding coordination personnel.
Related engineering terms
The module connects these terms with practical engineering explanations:
heat affected zone HAZ weldingHAZCGHAZFGHAZICHAZ
Continue with the practical module.
Open this topic directly in the interactive WeldScope portal.