Hauptseite > Publikationsdatenbank > Studying the effects of Nb on high-temperature deformation in TiAl alloys using atomistic simulations > print

001     1021016
005     20250204113750.0
024 7 _ |a 10.1016/j.matdes.2023.112596
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024 7 _ |a 0264-1275
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024 7 _ |a 0141-5530
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024 7 _ |a 0261-3069
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024 7 _ |a 1873-4197
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024 7 _ |a 1878-2876
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024 7 _ |a 10.34734/FZJ-2024-00476
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037 _ _ |a FZJ-2024-00476
082 _ _ |a 690
100 1 _ |a Chandran, Anju
|0 0009-0001-0738-5877
|b 0
245 _ _ |a Studying the effects of Nb on high-temperature deformation in TiAl alloys using atomistic simulations
260 _ _ |a Amsterdam [u.a.]
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520 _ _ |a Intermetallic γ(TiAl)-based alloys find their application as high-temperature materials for aero engine and automotive components. Microstructure optimization and microalloying play key roles in optimizing these alloys. Several pioneering experimental works showed improved mechanical properties of γ(TiAl)-based alloys containing Niobium (Nb). Despite Nb being a key alloying element, its contribution remains debated, if not least understood, due to the TiAl microstructure's complexity with hierarchical interfaces. This work examines the effects of Nb on the high-temperature deformation behavior of TiAl alloys using atomistic simulations. These revealed that Nb alloying retarded the stress-induced phase transformation of γ → , favoring a refined microstructure with the dislocation sources from microstructure boundaries and interfaces at high temperature and improving thus the ductility. Our microstructure-informed atomistic models reveal a comprehensive picture of the underlying nanomechanical events.
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700 1 _ |a Ganesan, Hariprasath
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700 1 _ |a Cyron, Christian J.
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773 _ _ |a 10.1016/j.matdes.2023.112596
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856 4 _ |u https://www.sciencedirect.com/science/article/pii/S0264127523010122?via%3Dihub
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