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A physics–based modelling framework to describe microstructure and mechanical properties in maraging steels is presented. It is based on prescribing the hierarchical structure of the martensitic matrix, including dislocation density, and lath and high–angle grain boundary spacing. The evolution of lath–shaped reverted austenite is described using grain–boundary diffusion laws within a lath unit. The...
Low-temperature precipitation reactions in 100Cr6 are characterized using transmission electron microscopy and X-ray diffraction, and modelled using thermokinetic methods. Martensitically transformed 100Cr6 is shown to display a complex microstructure composed of plate martensite, primary carbides, retained austenite and one or more of the ϵ-, η- and θ-phases. It is demonstrated that the maximum tensile...
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