Numerical and experimental analysis of microstructure formation during stainless steels solidification

The aim of this work is to examine microstructure formation during the solidification of unidirectional solidified AISI 304 stainless steel. Numerical and experimental results indicate that this numerical model allows a precise analysis of the AISI 304 stainless steel microstructure formation. This...

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Bibliographic Details
Published in:Journal of materials science 2007-04, Vol.42 (7), p.2267-2275
Main Authors: MELO, M. L. N, PENHALBER, Carlos Lima, PEREIRA, Nilton Alves, PELLICIARI, Carmo Lima, SANTOS, Carlos A
Format: Article
Language:English
Subjects:
Austenitic stainless steels
Cooling rate
Correlation
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Isotherms
Liquids
Materials science
Mathematical models
Microstructure
Model testing
Other topics in materials science
Physics
Solidification
Stainless steel
Stainless steels
Temperature profiles
Thermodynamic properties
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Summary:The aim of this work is to examine microstructure formation during the solidification of unidirectional solidified AISI 304 stainless steel. Numerical and experimental results indicate that this numerical model allows a precise analysis of the AISI 304 stainless steel microstructure formation. This model determines temperature profiles, position of liquid and solid isotherms, thermal parameters (thermal gradients, tip rate movement, rate cooling), and finally, the secondary inter dendritic spacing. This model was tested by comparing the experimental values results, and thus a reasonable correlation was found.
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-006-0827-8