heat affected zone, heat-affected zone
põhimetalli sulamata osa keevis- või jooteliites ning lõiketsoonis termolõikamisel, kus on toimunud muutused mikrostruktuuris ja mehaanilistes omadustes, that portion of the base metal that was not melted during brazing, cutting, or welding, but whose microstructure and mechanical properties were altered by the heat
