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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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Perez, Marcos
University of Strathclyde
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2023Integrating HIP and homogenisation heat treatment and its effect on the workability of a conventional peritectic TiAl alloycitations
- 2023Improving forging outcomes of cast titanium aluminide alloy via cyclic induction heat treatment
- 2018Microstructural and texture evolution of Jethete M152 flanged-test pieces during cold rotary forgingcitations
- 2018Microstructural evolution of Nimonic 80a during hot forging under non-isothermal conditions of screw presscitations
- 2018Impact of forging direction on the recrystallization behaviour of nickel base superalloy AD730 billet material at subsolvus temperaturescitations
- 2017Impact of various heat treatments on the microstructure evolution and mechanical properties of hot forged 18CrNiMo7-6 steel
- 2017Analysis of innovative incremental cold forming process for the manufacturing of aerospace rotating partscitations
- 2017Effects of forming route and heat treatment on the distortion behaviour of case-hardened martensitic steel type S156
- 2017Impact of annealing treatments on the softening and work hardening behaviour of Jethete M152 alloy for subsequent cold forming processescitations
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document
Impact of various heat treatments on the microstructure evolution and mechanical properties of hot forged 18CrNiMo7-6 steel
Abstract
Carburizing is a method of enhancing the surface properties of components, primarily made from low to medium carbon steels, such as shafts, gears, bearings, etc. Carburized parts are generally quenched and tempered before being put into service; however, after quenching of carburized parts further annealing and hardening treatments can be employed before final tempering. This work analyses the impact of the two aforementioned heat treatment approaches on the development of subsequent microstructures and mechanical properties of hot forged 18CrNiMo7-6 steel. Moreover, this study aims to understand the impact of normalizing treatments prior to the two aforementioned heat treatment routes. Microstructural and mechanical tests were conducted on four as forged flat cylinder components that received a combination of the abovementioned heat treatments.In general, better microstructure refinement, in terms of prior austenite grain size (PAGS), was obtained for carburized parts that received the intermediate annealing and hardening treatments after quenching and prior to the final tempering. Additionally, further refinement of the martensitic pockets/blocks was observed for parts that did not receive a normalising treatment prior to carburisation. The studied heat treatments appear to have a negligible effect on the mechanical properties of the hot forged flat cylinder components.