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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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Ecker, Werner
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2024Numerical and experimental assessment of liquid metal embrittlement in externally loaded spot welds
- 2023Interstitial Segregation has the Potential to Mitigate Liquid Metal Embrittlement in Ironcitations
- 2023Mechanical load induced hydrogen charging of retained austenite in quenching and partitioning (Q&P) steelcitations
- 2022Hydrogen trapping at retained austenite evaluated in Quenching & Partitioning (Q&P) steel : part I: experimental results
- 2022The interaction of hydrogen with retained austenite in quenching and partitioning (Q&P) and transformation induced plasticity (TRIP) steel
- 2022Hydrogen trapping at retained austenite evaluated in Quenched & Partitioning (Q&P) steel : part II : simulation results
- 2022The role of retained austenite in the hydrogen embrittlement of quenching and partitioning (Q&P) steels
- 2021Grain boundary segregation in Ni-base alloys: A combined atom probe tomography and first principles studycitations
- 2021The effect of hydrogen on the strain induced phase transformation of austenite in automotive quenching and partitioning steel
- 2021Validated multi-physical finite element modelling of the spot welding process of the advanced high strength steel dp1200hdcitations
- 2021Correlative cross-sectional characterization of nitrided, carburized and shot-peened steelscitations
- 2021Liquid Metal Embrittlement of Advanced High Strength Steelcitations
- 2021An atomistic view on Oxygen, antisites and vacancies in the γ-TiAl phasecitations
- 2020Cycled hydrogen permeation through Armco iron – A joint experimental and modeling approachcitations
- 2020Stress relaxation through thermal crack formation in CVD TiCN coatings grown on WC-Co with different Co contentscitations
- 2020Nanoscale stress distributions and microstructural changes at scratch track cross-sections of a deformed brittle-ductile CrN-Cr bilayercitations
- 2020Model-Based Residual Stress Design in Multiphase Seamless Steel Tubescitations
- 2019Residual stress and microstructure evolution in steel tubes for different cooling conditions – Simulation and verificationcitations
- 2019Thermodynamic and mechanical stability of Ni3X-type intermetallic compoundscitations
- 2016In-situ Observation of Cross-Sectional Microstructural Changes and Stress Distributions in Fracturing TiN Thin Film during Nanoindentationcitations
- 2015Size Effects in Residual Stress Formation during Quenching of Cylinders Made of Hot-Work Tool Steelcitations
Places of action
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article
Interstitial Segregation has the Potential to Mitigate Liquid Metal Embrittlement in Iron
Abstract
<jats:title>Abstract</jats:title><jats:p>The embrittlement of metallic alloys by liquid metals leads to catastrophic material failure and severely impacts their structural integrity. The weakening of grain boundaries (GBs) by the ingress of liquid metal and preceding segregation in the solid are thought to promote early fracture. However, the potential of balancing between the segregation of cohesion‐enhancing interstitial solutes and embrittling elements inducing GB de‐cohesion is not understood. Here, the mechanisms of how boron segregation mitigates the detrimental effects of the prime embrittler, zinc, in a Σ5 [001] tilt GB in α‐Fe (4 at.% Al) is unveiled. Zinc forms nanoscale segregation patterns inducing structurally and compositionally complex GB states. Ab initio simulations reveal that boron hinders zinc segregation and compensates for the zinc‐induced loss in GB cohesion. The work sheds new light on how interstitial solutes intimately modify GBs, thereby opening pathways to use them as dopants for preventing disastrous material failure.</jats:p>