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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Lalvani, Himanshu
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2022A solid-state joining approach to manufacture of transition joints for high integrity applicationscitations
- 2021Role of the Secondary Phase η During High-Temperature Compression of ATI 718Plus®
- 2020Role of the secondary phase η during high temperature compression of ATI 718PlusRcitations
- 2020Microstructural evolution of SA508 grade 3 steel during hot deformationcitations
- 2020Impact of a multi-step heat treatment on different manufacturing routes of 18CrNiMo7-6 steelcitations
- 2020A study on microstructural evolution in cold rotary forged nickel-superalloyscitations
- 2020Role of the Secondary Phase η During High-Temperature Compression of ATI 718Plus®
- 2019Cold rotary forging of Inconel 718citations
- 2017Impact of various heat treatments on the microstructure evolution and mechanical properties of hot forged 18CrNiMo7-6 steel
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article
A study on microstructural evolution in cold rotary forged nickel-superalloys
Abstract
C263 and Inconel 718 are precipitation hardenable nickel-superalloys widely used in different sections of a gas turbine engine dependent on their strength and temperature capability. Cold rotary forging is an effective route for manufacturing axisymmetric components with significantly higher material utilisation as compared to machining from conventional hot forgings. This paper presents a study on how C263, an alloy system strengthened by γ', and Inconel 718, an alloy system strengthened by γ'' and δ, deform during the cold rotary forging process and how their microstructures evolve. The two alloys exhibit maximum formability in solution-annealed condition. In this study, both C263 and Inconel 718 were annealed before the cold rotary forging operation. Parts with a 90° bend flange were successfully cold rotary forged from tubular preforms with a wall thickness of 6 mm. For both the alloys, the cold rotary forged parts exhibit significant differences in material properties from the undeformed sections to the most deformed section (i.e. the flanges). Post-forging heat-treatments are required to impart the desired material properties throughout the part. Therefore, appropriate annealing and aging treatments were identified for each of the two alloys. These heat-treatments led to uniform material properties for both deformed and undeformed sections of the cold rotary forged flanges in case of both the alloys.