The Effect of Heat Treatment on Fracture Behavior in ENiCrFe-7 Weld Overlay Cladding Materials
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Abstract
The effect of heat treatment (as-weld, 615℃/48h) on fracture behavior in ENiCrFe-7 weld overlay cladding material was investigated. There were more NbC precipitates in the interdendrites for the heat treatment one after 615℃/48h than that of as-weld, which resulted in the lattice distortion in the interdendrites reduced by the heat treatment. As a result, the fractography was classified as brittle and transgranular fracture and the interdendrites played a major role in the failure of as-weld Alloy ENiCrFe-7, and the fractography was ductility fracture for the heat treatment one after 615℃/48h.`
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- last seen: 2026-05-19T01:45:01.086888+00:00