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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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Lopez-Galilea, Inmaculada
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Effect of Rejuvenation Treatment on SX Ni-Based Superalloys Subjected to Low Cycle Fatiguecitations
- 2024Effect of Rejuvenation Treatment on SX Ni-Based Superalloys Subjected to Low Cycle Fatigue
- 2023On the Impact of an Integrated HIP Treatment on the Very High Cycle Fatigue Life of Ni-Based SX Superalloyscitations
- 2023High temperature microstructure stability of Waspaloy produced by Wire Arc Additive Manufacturingcitations
- 2023Refinement and Experimental Validation of a Vacancy Model of Pore Annihilation in Single‐Crystal Nickel‐Base Superalloys during Hot Isostatic Pressing
- 2022Integration of Hot Isostatic Pressing and Heat Treatment for Advanced Modified γ-TiAl TNM Alloyscitations
- 2022Very high cycle fatigue durability of an additively manufactured single-crystal Ni-based superalloycitations
- 2019Additive manufacturing of CMSX-4 Ni-base superalloy by selective laser meltingcitations
- 2019Effect of heat treatment on the high temperature fatigue life of single crystalline nickel base superalloy additively manufactured by means of selective electron beam meltingcitations
- 2018Effect of porosity and eutectics on the high-temperature low-cycle fatigue performance of a nickel-base single-crystal superalloy
- 2016On the Effect of Hot Isostatic Pressing on the Creep Life of a Single Crystal Superalloys citations
- 2015Microsegregation and precipitates of an as-cast Co-based superalloycitations
- 2012Microsegregation and secondary phase formation during directional solidification of the single-crystal Ni-based superalloy LEK94citations
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article
Integration of Hot Isostatic Pressing and Heat Treatment for Advanced Modified γ-TiAl TNM Alloys
Abstract
<jats:p>The conventional processing route of TNM (Ti-Nb-Mo) alloys combines casting and Hot Isostatic Pressing (HIP) followed by forging and multiple heat treatments to establish optimum properties. This is a time-consuming and costly process. In this study we present an advanced alternative TNM alloy processing route combining HIP and heat treatments into a single process, which we refer to as IHT (integrated HIP heat treatment), applied to a modified TNM alloy with 1.5B. A Quintus HIP lab unit with a quenching module was used, achieving fast and controlled cooling, which differs from the slow cooling rates of conventional HIP units. A Ti-42.5Al-3.5Nb-1Mo-1.5B (at.%) was subjected to an integrated two HIP steps at 200 MPa, one at 1250 °C for 3 h and another at 1260 °C for 1 h, both under a protective Ar atmosphere and followed by cooling at 30 K/min down to room temperature. The results were compared against the Ti-43.5Al-3.5Nb-1Mo-0.8B (at.%) thermomechanically processed in a conventional way. Applying IHT processing to the 1.5B alloy does indeed achieve good creep strength, and the secondary creep rate of the IHT processed materials is similar to that of conventionally forged TNM alloys. Thus, the proposed advanced IHT processing route could manufacture more cost-effective TiAl components.</jats:p>