Mute
profparedes
Você já conhecia o motivo de aquecer a peça DEPOIS da solda? 🔥 Muitos conhecem o pré-aquecimento, mas o pós-aquecimento (PWHT - Post Weld Heat Treatment) é fundamental em juntas de grande responsabilidade, como nessa coluna. Ele serve para aliviar as tensões residuais provocadas pelas altas taxas de resfriamento e promover a difusão do hidrogênio atômico retido na solda. Isso previne o surgimento de trincas a frio (induzidas por hidrogênio) na zona afetada pelo calor (ZAC) e garante a integrid...
Follow
0
0
0
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