Microstructural Evaluation of a Lean Duplex UNS S32304‐X‐Ray Diffraction and Scanning Electron Microscopy Techniques Correlated with Eddy Current Testing

摘要: A UNS S32304 Lean Duplex Steel was subjected to a series of controlled heat treatments promote the formation deleterious phases. All were performed at 800°C in different ageing times. The choice for such temperature due detrimental phases that steel when welding processes. goal this study determine real correlation between over NDE signal. an extensive microstructural characterization by SEM and X-Ray Diffraction. Eddy Current Testing carried out compared phase analysis x-ray diffraction.