Effect of NbC inoculants on the elastic properties and microstructure of additively manufactured IN718
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Abstract
In this study, the effects of NbC inoculants on the elastic properties and microstructure of laser blown powder-directed energy deposition (LBP-DED) IN718 are investigated. The addition of the NbC particles increased the volume fraction of MC-type carbides and decreased that of the Laves phase. It was found that the inoculant containing samples exhibited a marginally increased hardness and an enhanced Brass texture component {110} 〈211〉. The occurrence of this textural enhancement is theorised to be a result of the NbC restricting dendritic growth along specific directions during build. The addition of the inoculant therefore offers a method of achieving a degree of microstructural and textural control during additive manufacturing.
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Materialia
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2589-1529
2589-1529
2589-1529
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Elsevier
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Except where otherwised noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 International
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Engineering and Physical Sciences Research Council (EP/I036079/1)
Natural Environment Research Council (NE/F017081/1)
Natural Environment Research Council (NE/F017081/1)
NERC Grants No. NE/B505738/1 and No. NE/F017081/1
EPSRC Grant No. EP/I036079/1