Selection and performance of AM superalloys for high-speed flight environments

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dc.contributor.authorJames, William S.
dc.contributor.authorGanguly, Supriyo
dc.contributor.authorPardal, Goncalo
dc.date.accessioned2022-09-07T09:46:35Z
dc.date.available2022-09-07T09:46:35Z
dc.date.issued2022-09-01
dc.description.abstractIn developing the Wire + Arc Additive Manufacturing (WAAM) process for the manufacture of components used in high-speed flight environments, a selection process for suitable alloys was devised. Using material properties from literature sources, creep-resistant alloys were down-selected based on the requirement for service in a high temperature, high stress environment and the need for an alloy suitable for manufacture using the WAAM process. Down-selected alloys, Inconel 718 (IN718), Rene 41 (RE41), Haynes 188 (H188) and Inconel 625 (IN625), were deposited by a plasma transferred arc WAAM process in an oxygen-controlled environment. Wall structures were built, and samples extracted for mechanical testing. The performance of as-deposited material was then compared against the wrought literature data. Tensile testing at room temperature revealed a performance mismatch, in comparison with wrought literature data, for precipitation strengthened IN718 & RE41; however, this performance mismatch was less significant for solution strengthened H188 and IN625. Results revealed that the AM material did not meet the wrought strength with performance varying depending on each alloy’s strengthening mechanism. Results illustrate the need for further processing to return the mechanical performance to wrought values.en_UK
dc.description.sponsorshipDefence Science & Technology Laboratory (DSTL)en_UK
dc.identifier.citationJames WS, Ganguly S, Pardal G. (2022) Selection and performance of AM superalloys for high-speed flight environments, The International Journal of Advanced Manufacturing Technology, Volume 122, Issue 5-6, September 2022, pp. 2319-2327en_UK
dc.identifier.eissn1433-3015
dc.identifier.issn0268-3768
dc.identifier.urihttps://doi.org/10.1007/s00170-022-10005-9
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/18419
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectAdditive manufacturingen_UK
dc.subjectAlloy selectionen_UK
dc.subjectMechanical propertiesen_UK
dc.subjectRene 41en_UK
dc.subjectInconel 718en_UK
dc.subjectHaynes 188en_UK
dc.subjectInconel 625en_UK
dc.titleSelection and performance of AM superalloys for high-speed flight environmentsen_UK
dc.typeArticleen_UK

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