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A model for ferrite/pearlite band formation and prevention in steels

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<mark>Journal publication date</mark>02/2004
<mark>Journal</mark>Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Issue number2
Volume35 A
Number of pages9
Pages (from-to)425-433
Publication StatusPublished
<mark>Original language</mark>English


A model for predicting the conditions under which ferrite/pearlite band formation occurs, and therefore the conditions in which it can be avoided in steels, has been developed. The model requires as input the alloy composition and microchemical segregation wavelength, and provides in turn the homogenization temperature and time in which the alloy should be held in the austenite region for band elimination. The model was applied to three alloys and predicted with accuracy the conditions under which bands were observed to disappear in different investigations from literature. The conditions under which the model can be applied to any alloy are explored.