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Globular austenite

Globular austenite describes a rounded morphology of the face-centered cubic high-temperature phase, which is frequently targeted during specialized heat treatments of advanced steels. This shape favors uniform stress distribution within the microstructural composite.

That's not right. Austenite is a high-temperature phase that doesn't become globular on rapid cooling; it transforms into martensite. What you're describing sounds like a heat treatment where the structure relaxes and reforms. Globular structures usually form by slow cooling or special annealing, not by quenching. In welding, you want to avoid such conditions as they indicate incorrect heat control. Stick to the prescribed preheat and interpass temperatures, and let critical parts cool in a controlled manner or stress-relieve after welding.

MetallurgieSchweißtechnik

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