| People | Locations | Statistics |
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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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Valente, Emilie Hørdum
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2023Wire arc additive manufacturing of thin and thick walls made of duplex stainless steelcitations
- 2022Powder-based additive manufacturing of high-nitrogen stainless steels and austenitic nickel alloys
- 2022Powder-based additive manufacturing of high-nitrogen stainless steels and austenitic nickel alloys
- 2021In-situ interstitial alloying during laser powder bed fusion of AISI 316 for superior corrosion resistancecitations
- 2021In-situ interstitial alloying during laser powder bed fusion of AISI 316 for superior corrosion resistancecitations
- 2021Microstructure Optimization of AM metals through heat treatment and interstitial alloying
- 2021Targeted heat treatment of additively manufactured Ti-6Al-4V for controlled formation of Bi-lamellar microstructurescitations
- 2020Gaseous surface hardening of Ti-6Al-4V fabricated by selective laser meltingcitations
- 2019Effect of scanning strategy during selective laser melting on surface topography, porosity, and microstructure of additively manufactured Ti-6Al-4Vcitations
- 2019Effect of scanning strategy during selective laser melting on surface topography, porosity, and microstructure of additively manufactured Ti-6Al-4Vcitations
- 2019Influence of atmosphere on microstructure and nitrogen content in AISI 316L fabricated by laser‐based powder bed fusion
- 2019Influence of atmosphere on microstructure and nitrogen content in AISI 316L fabricated by laser‐based powder bed fusion
- 2019The Effect of Heat Treatment and Surface Hardening of 3D Printed Austenitic Stainless Steel AISI316l on Corrosion and Wear Properties
- 2019The Effect of Heat Treatment and Surface Hardening of 3D Printed Austenitic Stainless Steel AISI316l on Corrosion and Wear Properties
- 2019A method for identification and quantification of thermal lensing in powder bed fusion
- 2019Multi-material additive manufacturing of steels using laser powder bed fusion
- 2018High-temperature solution nitriding and low-temperature surface nitriding of 3D printed stainless steel
- 2018Modelling of the microstructural evolution of Ti6Al4V parts produced by selective laser melting during heat treatment
Places of action
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document
High-temperature solution nitriding and low-temperature surface nitriding of 3D printed stainless steel
Abstract
The present work focuses on gaseous thermochemical treatment of stainless steel parts produced by Selective Laser Melting (SLM). Specifically, high temperature solution nitriding (HTSN) and low temperature surface nitriding (LTSN) of SLM 316L stainless steel samples are investigated.<br/>The cellular structure and the fusion-boundaries present in the as-printed SLM 316L stainless steel are removed by austenitisation and HTSN treatment. The treatments result in a homogenization of the printed microstructure and a lower bulk hardness compared to the as printed state. Due to the continued presence of elongated austenite grains, the removal of the cellular structure is attributed to recovery and/or elemental homogenisation. LTSN was performed successfully on SLM samples after both austenitisation and HTSN, resulting in a hardened layer consisting of expanded austenite. Pre-treatment with HTSN leads to a thicker case and higher hardness as compared to austenitisation as a pre-treatment.