Fine structures consisting of a mixture of extremely thin bainite plates embedded in a matrix of austenite, are now a commercial proposition. Whereas the phase transformation theory for such structures is fairly well established, the understanding of their mechanical properties is not. The present work is an attempt to express the fracture toughness of such steels using a neural network method exploiting data available for martensitic and ordinary bainitic steels. It is demonstrated that in spite of uncertainties, the model captures reasonable trends and is able to estimate unseen experimental results on the nanostructured bainite.
Materials Science and Technology, 28 (2012) 685-689
Envelope | Coefficients | Filling welds | Hot | Delta |
Satoh | Fields | Piping | European welds | Poles |
Mixed | Creep | Extraordinary ductility | Problems | Mechanical stabilisation |
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