Selective laser melting of a high precision turbomachinery application in IN718 alloy
Conference item
Wood, Paul, Gunputh, Urvashi, Williams, Gavin, Carter, Wayne, Boud, Fathi, Bahi, Slim, Rusinek, Alexis, Kowalewski, Zbigniew, Nowak, Zdzisław, Libura, Tomasz, Voyiadjis, George, Diaz-Alvarez, Jose and Miguelez, María 2021. Selective laser melting of a high precision turbomachinery application in IN718 alloy.
| Authors | Wood, Paul, Gunputh, Urvashi, Williams, Gavin, Carter, Wayne, Boud, Fathi, Bahi, Slim, Rusinek, Alexis, Kowalewski, Zbigniew, Nowak, Zdzisław, Libura, Tomasz, Voyiadjis, George, Diaz-Alvarez, Jose and Miguelez, María |
|---|---|
| Abstract | The paper describes the manufacture of an outlet guide vane (OGV) component, in IN718 alloy, used in jet engines by Selective Laser Melting (SLM). The OGV component is a static part in the last stage of the compressor and is characterised as a series of airfoils or vanes secured by two flanged rings. The part tolerances at the leading and trailing edge require a high dimensional precision of +/-0.072 m whilst the profile tolerances are slightly more generous. The current challenge to manufacture a prototype OGV in IN718 alloy from a wrought stock involves a lengthy machining process in a hard-to-machine alloy. The tooling access is greatly restricted between the curved vanes, and the process involves careful fixturing and process management to mitigate residual stress in the component arising from the removal of material. |
| Keywords | additive manufacturing, INCONEL718, machining, OGV, turbomachinery |
| Year | 2021 |
| Web address (URL) | http://hdl.handle.net/10545/625324 |
| http://creativecommons.org/publicdomain/zero/1.0/ | |
| hdl:10545/625324 | |
| File | File Access Level Open |
| File | File Access Level Open |
| File | File Access Level Open |
| Publication dates | 2021 |
| Publication process dates | |
| Deposited | 04 Nov 2020, 16:33 |
| Accepted | 2020 |
| Rights | CC0 1.0 Universal |
| Contributors | University of Derby |
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