Investigation of the interface between SLM processed nickel alloy on a cast iron substrate

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dc.contributor.author Sebastian, Roshan
dc.contributor.author Singh, Amit Kumar
dc.contributor.author Paliwal, Manas
dc.contributor.author Gautam, Abhay Raj Singh
dc.date.accessioned 2018-11-02T07:55:35Z
dc.date.available 2018-11-02T07:55:35Z
dc.date.issued 2018-07
dc.identifier.citation Sebastian, Roshan; Singh, Amit Kumar; Paliwal, Manas and Gautam, Abhay, "Investigation of the interface between SLM processed nickel alloy on a cast iron substrate", Progress in Additive Manufacturing, DOI: 10.1007/s40964-018-0066-y, Jul. 2018. en_US
dc.identifier.issn 2363-9512
dc.identifier.issn 2363-9520
dc.identifier.uri https://doi.org/10.1007/s40964-018-0066-y
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/3987
dc.description.abstract Recent advances in the field of additive manufacturing offers significant flexibility in shaping and processing of materials. These techniques have been extensively studied for the manufacturing of entire component, typically using powder of a single composition. In this study, we explore the use of selective laser melting technique for the processing of an existing component. The Inconel 625 powder was printed onto the cast iron coupons using selective laser melting. These processed coupons were then characterised to study the interface between the Inconel 625 layer and the cast iron substrate. The microstructure near the interface region transitioned from small equiaxed grains to columnar morphology. The chemical intermixing between the Inconel 625 and cast iron was mostly confined within the first layer of Inconel 625. No new phases were observed at or near the interface which is consistent with the predictions from the thermodynamic calculations that was carried out using the FactSage® software and typical process parameters and composition data. The microhardness measurements at and near the interface region showed the highest hardness values at the interface which can be related to the fine-grained microstructure and solid-solution strengthening of the region.
dc.description.statementofresponsibility by Roshan Sebastian, Amit Kumar Singh, Manas Paliwal and Abhay Gautam
dc.language.iso en en_US
dc.publisher Springer en_US
dc.subject Additive manufacturing en_US
dc.subject Selective laser melting en_US
dc.subject Remanufacturing en_US
dc.subject Cast iron en_US
dc.subject Inconel 625 en_US
dc.subject Dissimilar material joint en_US
dc.title Investigation of the interface between SLM processed nickel alloy on a cast iron substrate en_US
dc.type Article en_US
dc.relation.journal Progress in Additive Manufacturing


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