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001     943390
005     20230125125738.0
020 _ _ |a 78-3-030-42603-3
020 _ _ |a 978-3-030-42603-3 (electronic)
024 7 _ |a 10.1007/978-3-030-42603-3_23
|2 doi
037 _ _ |a FZJ-2023-00984
100 1 _ |a Biermann, Horst
|0 P:(DE-HGF)0
|b 0
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245 _ _ |a Properties of Phase Microstructures and Their Interaction with Dislocations in the Context of TRIP Steel Systems
260 _ _ |a Cham
|c 2020
|b Springer International Publishing
295 1 0 |a Austenitic TRIP/TWIP Steels and Steel-Zirconia Composites / Biermann, Horst (Editor) ; Cham : Springer International Publishing, 2020, Chapter 23 ; ISSN: 0933-033X=2196-2812 ; ISBN: 978-3-030-42602-6=978-3-030-42603-3 ; doi:10.1007/978-3-030-42603-3
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490 0 _ |a Springer Series in Materials Science
|v 298
520 _ _ |a Transformation Induced Plasticity (TRIP) steels undergo a diffusionless phase transformation from austenite to martensite, resulting in a material exhibiting desireable material properties such as exceptional balance of strength and ductility as well as good fatigue behavior. Computational modeling at the mesoscale is potentially a suitable tool for studying how plastic deformation interacts with phase transformations and ultimately affects the bulk properties of these steels. We introduce models that represent the phase microstructure in a continuum approach and couple a time-dependent Ginzburg-Landau equation with discrete dislocation via their elastic strain energy densities. With this, the influence of several dislocation configurations are examined, namely a single dislocation, a “penny-shaped crack”, and a “dislocation cascade”. It is shown that the strain due to the presence of dislocations has a significant influence on the resultant martensitic microstructure. Furthermore, the importance of using a non-local elasticity approach for the dislocation stress fields is demonstrated.
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700 1 _ |a Aneziris, Christos G.
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700 1 _ |a Strobl, Rachel
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700 1 _ |a Budnitzki, Michael
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700 1 _ |a Sandfeld, Stefan
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|e Corresponding author
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773 _ _ |a 10.1007/978-3-030-42603-3_23
856 4 _ |u https://link.springer.com/chapter/10.1007/978-3-030-42603-3_23#Ack1
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