Segregation effects of interstitial and substitutional elements at grain boundaries in ferritic iron and their effect on liquid metal embrittlement

Publications of Ali Ahmadian

Journal Article (6)

1.
Journal Article
Brognara, A.; Kashiwar, A.; Jung, C.; Zhang, X.; Ahmadian, A.; Gauquelin, N.; Verbeeck, J.; Djemia, P.; Faurie, D.; Dehm, G. et al.; Idrissi, H.; Best, J. P.; Ghidelli, M.: Tailoring Mechanical Properties and Shear Band Propagation in ZrCu Metallic Glass Nanolaminates Through Chemical Heterogeneities and Interface Density. Small structures 5 (9), 2400011 (2024)
2.
Journal Article
Kanjilal, A.; Ahmadian, A.; Freund, M.; Sun, P.-L.; Korte-Kerzel, S.; Dehm, G.; Best, J. P.: Temperature-driven nanoscale brittle-to-ductile transition of the C15 CaAl2 Laves phase. Materials and Design 244, 113206 (2024)
3.
Journal Article
Ahmadian, A.; Scheiber, D.; Zhou, X.; Gault, B.; Romaner, L.; Darvishi Kamachali, R.; Ecker, W.; Dehm, G.; Liebscher, C.: Interstitial Segregation has the Potential to Mitigate Liquid Metal Embrittlement in Iron. Advanced Materials 35 (28), 2211796 (2023)
4.
Journal Article
Zhou, X.; Ahmadian, A.; Gault, B.; Ophus, C.; Liebscher, C.; Dehm, G.; Raabe, D.: Atomic motifs govern the decoration of grain boundaries by interstitial solutes. Nature Communications 14 (1), 3535 (2023)
5.
Journal Article
Ahmadian, A.; Schreiber, D.; Zhou, X.; Gault, B.; Liebscher, C.; Romaner, L.; Dehm, G.: Aluminum depletion induced by co-segregation of carbon and boron in a bcc-iron grain boundary. Nature Communications 12, 6008 (2021)
6.
Journal Article
Han, L.; Rao, Z.; Souza Filho, I. R.; Maccari, F.; Wei, Y.; Wu, G.; Ahmadian, A.; Zhou, X.; Gutfleisch, O.; Ponge, D. et al.; Raabe, D.; Li, Z.: Ultrastrong and Ductile Soft Magnetic High-Entropy Alloys via Coherent Ordered Nanoprecipitates. Advanced Materials 33 (37), 2102139 (2021)

Talk (4)

7.
Talk
Zhou, X.; Ahmadian, A.; Hickel, T.; Gault, B.; Ophus, C.; Liebscher, C.; Dehm, G.; Raabe, D.: Atomic Scale Analysis Reveals the Interplay between Grain Boundary Structure and Composition. MRS 2023, Boston, MA, USA (2023)
8.
Talk
Dehm, G.; Langenohl, L.; Ahmad, S.; Ahmadian, A.; Frolov, T.; Duarte, M. J.; Richter, G.; Zhou, X.; Gault, B.; Bishara, H. et al.; Brink, T.; Liebscher, C.: Resolving grain boundary complexions in Copper by STEM and analyzing their impact on properties. Workshop Advanced Electron Microscopy in Materials Research, La Clusaz, France (2023)
9.
Talk
Dehm, G.; Ahmadian, A.; Schreiber, D.; Zhou, X.; Gault, B.; Liebscher, C.; Romaner, L.: Multi-Element Segregation at Bcc Iron Grain Boundaries and Their Impact on Mechanical Properties. ELMINA2022, Belgrade, Serbia (2022)
10.
Talk
Zhou, X.; Ahmadian, A.; Liebscher, C.; Dehm, G.; Raabe, D.: Revealing the dependence of chemical decoration on the role of the grain boundary hierarchy. V-APT&M 2022, Online, China (2021)

Thesis - PhD (1)

11.
Thesis - PhD
Ahmadian, A.: Atomic-scale characterisation of grain boundary structure and segregation in bcc-iron. Dissertation, Ruhr-Universität Bochum (2022)

Preprint (1)

12.
Preprint
Kanjilal, A.; Ahmadian, A.; Freund, M.; Sun, P.-L.; Korte-Kerzel, S.; Dehm, G.; Best, J. P.: Nanoscale brittle-to-ductile transition of the C15 CaAl2 Laves phase. arXiv (2024)

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