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Toward a New Interpretation of the Mechanical Behaviour of As-quenched Low Alloyed Martensitic Steels
Summary
This materials science study revisits the mechanical behavior of as-quenched low-alloy martensitic steels, developing a model to explain their high strain-hardening and Bauschinger effect based on a composite view of the microstructure. This metallurgy research has no connection to microplastics or environmental health.
Though as-quenched martensite exhibits a low uniform elongation in tension, it is highlighted that this phase has a very high strain-hardening which increases with carbon content and a large Bauschinger effect. Because usual dislocation storage can not explain reasonably this particular behaviour, an approach based on a continuum composite view of martensite (CCA) is developed suitable to capture all the experimental features.
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