The Impact of Pores on Microstructure Evolution: A Phase-Field Study of Pore-Grain Boundary Interaction

2018 ◽  
pp. 485-502
Author(s):  
V. Rehn ◽  
J. Hötzer ◽  
M. Kellner ◽  
M. Seiz ◽  
C. Serr ◽  
...  
Keyword(s):  
Grain Boundary ◽  
Field Study ◽  
Microstructure Evolution ◽  
Phase Field ◽  
Boundary Interaction ◽  
The Impact

scholarly journals Phase-field study of pore-grain boundary interaction

2016 ◽  
Vol 124 (4) ◽  
pp. 329-339 ◽  
Author(s):  
Johannes HÖTZER ◽  
Veronika REHN ◽  
Wolfgang RHEINHEIMER ◽  
Michael J. HOFFMANN ◽  
Britta NESTLER
Keyword(s):  
Grain Boundary ◽  
Field Study ◽  
Phase Field ◽  
Boundary Interaction

scholarly journals Correction to: Martensitic microstructure evolution in austenitic steel: A thermomechanical polycrystalline phase field study

2021 ◽  
Author(s):  
Bhasker Paliwal ◽  
Robert D. Moser ◽  
Christopher D. Barrett ◽  
Wilburn R. Whittington ◽  
Hongjoo Rhee ◽  
...  
Keyword(s):  
Field Study ◽  
Austenitic Steel ◽  
Microstructure Evolution ◽  
Phase Field ◽  
Martensitic Microstructure ◽  
Polycrystalline Phase

scholarly journals Microstructure evolution during the isostructural decomposition of TiAlN—A combined in-situ small angle x-ray scattering and phase field study

2013 ◽  
Vol 113 (21) ◽  
pp. 213518 ◽  
Author(s):  
A. Knutsson ◽  
J. Ullbrand ◽  
L. Rogström ◽  
N. Norrby ◽  
L. J. S. Johnson ◽  
...  
Keyword(s):  
Field Study ◽  
Microstructure Evolution ◽  
Phase Field ◽  
Small Angle ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

Phase-field study of spinodal decomposition under the effect of grain boundary

2021 ◽  
Author(s):  
Ying-Yuan Deng ◽  
Can Guo ◽  
Jin-Cheng Wang ◽  
Qian Liu ◽  
Yu-Ping Zhao ◽  
...  
Keyword(s):  
Grain Boundary ◽  
Field Study ◽  
Spinodal Decomposition ◽  
Phase Field

Microstructure Evolution in Belt-Casted Strip of Grain Oriented Electrical Steel

2019 ◽  
Vol 810 ◽  
pp. 82-88 ◽  
Author(s):  
Vlastimil Vodárek ◽  
Carl Peter Reip ◽  
Anastasia Volodarskaja
Keyword(s):  
Grain Boundary ◽  
Grain Boundaries ◽  
Microstructure Evolution ◽  
Phase Field ◽  
Liquid Steel ◽  
Electrical Steel ◽  
Low Energy ◽  
Austenite Decomposition ◽  
Plate Martensite ◽  
Displacive Transformation

This paper deals with the formation and decomposition of Widmanstätten austenite during solidification of the thin belt-casted strip made of a grain oriented electrical steel (GOES). Solidification of liquid steel starts with the formation of d-ferrite. Cooling in the delta + gama phase field results in the formation of a small fraction of Widmanstätten austenite by displacive transformation accompanied by carbon partition. Widmanstätten austenite laths have an orientation relationship with the ferrite grain into which they grow. Furthermore, they form a flat low energy interface along the ferrite grain boundary. In order to minimize the interfacial energy, ferrite grain boundaries in the vicinity of flat austenite/ferrite interface facets are forced to migrate which results in straightening of these grain boundaries. If parallel Widmanstätten austenite laths form in two adjacent ferrite grains, zig–zag ferrite grain boundaries arise. Precipitation of sulphides along ferrite/austenite interfaces make it possible to study the early stages of austenite decomposition under the delta + gama phase field. It starts with the formation of epitaxial ferrite accompanied by further partitioning of carbon into remaining austenite. The growth of epitaxial ferrite into the flat ferrite/austenite interface facets along ferrite grain boundaries results in a wavy shape of these ferrite grain boundaries. Finally austenite transforms either to pearlite or to plate martensite.

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