A hybrid arc spray forming technique for the manufacture of nickel superalloy IN617
Spray forming produces cast microstructures with comparatively low macro- and micro-structural chemical segregation and is thus well-suited for the manufacture of complex chemistry, multi-component alloys that otherwise show strong elemental segregation. Although spray formed Ni superalloys have sho...
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| Format: | Conference item |
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Wiley
2014
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| _version_ | 1826304318481891328 |
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| author | Sato, A Taneike, M Okada, I Grant, P |
| author_facet | Sato, A Taneike, M Okada, I Grant, P |
| author_sort | Sato, A |
| collection | OXFORD |
| description | Spray forming produces cast microstructures with comparatively low macro- and micro-structural chemical segregation and is thus well-suited for the manufacture of complex chemistry, multi-component alloys that otherwise show strong elemental segregation. Although spray formed Ni superalloys have shown properties equivalent or superior to their conventionally cast/wrought counterparts, they have not been adopted commercially because of the difficulties in ensuring a high process yield and the complexity and associated cost of large-scale Ni superalloy melting. In this paper, we describe a hybrid arc spray forming (HASF) process in which costly, large-scale alloy melting as pre-cursor to spray forming is avoided by the use of a consumable wire feedstock. To achieve thermal conditions of melt spray forming - essential to produce a refined, polygonal grain structure - a customised secondary atomisation system has been developed. Fe-0.8 wt%C and Ni superalloy IN617 microstructures and preliminary mechanical properties suggested that hybrid arc spray forming may offer an attractive combination of convenience, low cost and mechanical performance. |
| first_indexed | 2024-03-07T06:16:00Z |
| format | Conference item |
| id | oxford-uuid:f11a2a82-bf13-4b71-88f2-c7bdf9b70901 |
| institution | University of Oxford |
| last_indexed | 2024-03-07T06:16:00Z |
| publishDate | 2014 |
| publisher | Wiley |
| record_format | dspace |
| spelling | oxford-uuid:f11a2a82-bf13-4b71-88f2-c7bdf9b709012022-03-27T11:53:23ZA hybrid arc spray forming technique for the manufacture of nickel superalloy IN617Conference itemhttp://purl.org/coar/resource_type/c_5794uuid:f11a2a82-bf13-4b71-88f2-c7bdf9b70901Symplectic Elements at OxfordWiley2014Sato, ATaneike, MOkada, IGrant, PSpray forming produces cast microstructures with comparatively low macro- and micro-structural chemical segregation and is thus well-suited for the manufacture of complex chemistry, multi-component alloys that otherwise show strong elemental segregation. Although spray formed Ni superalloys have shown properties equivalent or superior to their conventionally cast/wrought counterparts, they have not been adopted commercially because of the difficulties in ensuring a high process yield and the complexity and associated cost of large-scale Ni superalloy melting. In this paper, we describe a hybrid arc spray forming (HASF) process in which costly, large-scale alloy melting as pre-cursor to spray forming is avoided by the use of a consumable wire feedstock. To achieve thermal conditions of melt spray forming - essential to produce a refined, polygonal grain structure - a customised secondary atomisation system has been developed. Fe-0.8 wt%C and Ni superalloy IN617 microstructures and preliminary mechanical properties suggested that hybrid arc spray forming may offer an attractive combination of convenience, low cost and mechanical performance. |
| spellingShingle | Sato, A Taneike, M Okada, I Grant, P A hybrid arc spray forming technique for the manufacture of nickel superalloy IN617 |
| title | A hybrid arc spray forming technique for the manufacture of nickel superalloy IN617 |
| title_full | A hybrid arc spray forming technique for the manufacture of nickel superalloy IN617 |
| title_fullStr | A hybrid arc spray forming technique for the manufacture of nickel superalloy IN617 |
| title_full_unstemmed | A hybrid arc spray forming technique for the manufacture of nickel superalloy IN617 |
| title_short | A hybrid arc spray forming technique for the manufacture of nickel superalloy IN617 |
| title_sort | hybrid arc spray forming technique for the manufacture of nickel superalloy in617 |
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