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Lopez-Galilea, Inmaculada and Huth, Stefan and Bartsch, Marion and Theisen, Werner (2010) Effect of HIP parameters on the micro-structural evolution of a Ni-based superalloy. In: Scientific net - materials science and engineering. European Symposium on Superalloys and their Application, 25.-29. Mai 2010, Wildbad Kreuth, Deutschland.
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Official URL: http://www.scientific.net/
Abstract
For reducing the porosity of single crystal (SX) nickel-based superalloys, Hot Isostatic Pressing (HIP) is used. The high pressure of e.g. 100-170 MPa leads to deformation processes, which close the pores. However, since HIP also includes high temperatures (1000-1200°C) it has a pronounced effect on the microstructure and the local element distribution. This contribution analyses the effect of different HIP treatments on both the microstructure and the segregation of the SX superalloy LEK94 in the as precipitation hardened state. In addition the effects of rapid or slow cooling are analyzed. To distinguish the effect of pressure from temperature, the previous results are compared with specimens annealed at atmospheric pressure.
| Item URL in elib: | https://elib.dlr.de/66814/ | ||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech, Paper) | ||||||||||||||||||||
| Title: | Effect of HIP parameters on the micro-structural evolution of a Ni-based superalloy | ||||||||||||||||||||
| Authors: |
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| Date: | 2010 | ||||||||||||||||||||
| Journal or Publication Title: | Scientific net - materials science and engineering | ||||||||||||||||||||
| Refereed publication: | No | ||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||
| Status: | Accepted | ||||||||||||||||||||
| Keywords: | Hot Isostatic Pressing (HIP), Diffusion, Single Crystal, Microstructure, Ni-based superalloys | ||||||||||||||||||||
| Event Title: | European Symposium on Superalloys and their Application | ||||||||||||||||||||
| Event Location: | Wildbad Kreuth, Deutschland | ||||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||||
| Event Dates: | 25.-29. Mai 2010 | ||||||||||||||||||||
| Organizer: | Deutsche Gesellschaft für Materialkunde | ||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | ||||||||||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||||||||||
| HGF - Program Themes: | Propulsion Systems (old) | ||||||||||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||||||||||
| DLR - Program: | L ER - Engine Research | ||||||||||||||||||||
| DLR - Research theme (Project): | L - Virtual Engine and Validation Methods (old) | ||||||||||||||||||||
| Location: | Köln-Porz | ||||||||||||||||||||
| Institutes and Institutions: | Institute of Materials Research > Experimental and Numerical Methods | ||||||||||||||||||||
| Deposited By: | Bartsch, Dr.-Ing. Marion | ||||||||||||||||||||
| Deposited On: | 30 Nov 2010 11:09 | ||||||||||||||||||||
| Last Modified: | 30 Nov 2010 11:09 |
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