Abstract
The quantitative measure of irregular arrangement, configuration and geometric pattern of microstructural features is often termed as fractal dimension (Df). The measurement of Df of a complex mixture of multiphase microstructure, comprised of crystals consisting of martensite, bainite, Fe3C and martensite/austenite (M/A) constituents’ chaos networks in a typical dual phase steel (matrix ferrite) is carried out and interpreted with its respective phase fractions and resulting mechanical responses as a function of intercritical annealing schedule. Image–texture characteristics have also been analyzed to comprehend the stored–energy and configurational–stability of such complex phase-mixture with annealing temperature. The invasive-type fractal characteristics, complexities and chaos of such micro layered hierarchical multiphases’ networks in the multiphase steel has been convincingly revealed.
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