Effect of laser power and powder feed rate on interfacial crack and mechanical/microstructural characterizations in repairing of 630 stainless steel using direct energy deposition

Abstract
Directed energy deposition (DED) can be used to repair damaged components. However, interfacial defects can occur between the repaired zone and substrate. Avoiding defects in repair processes using DED is critical because these defects significantly degrade the mechanical properties of the repaired parts. In this study, we investigated the occurrence of defects based on the laser power and powder feed rate. When experimenting with different...
Paper Details
Title
Effect of laser power and powder feed rate on interfacial crack and mechanical/microstructural characterizations in repairing of 630 stainless steel using direct energy deposition
Published Date
Nov 1, 2021
Volume
828
Pages
142004 - 142004
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