The morphology of lath martensite: a new perspective

The morphology of lath martensite: a new perspective

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A mathematical framework is proposed to predict the features of the (5 5 7) lath transformation in low-carbon steels based on energy minimisation.This theory generates a one-parameter family of possible fr9352 habit plane normals and a selection mechanism then identifies the (5 5 7) normals as those arising from a deformation with small atomic movement and maximal compatibility.While the calculations bear some resemblance to those of double shear theories, the assumptions and conclusions are different.Interestingly, the predicted microstructure morphology resembles that of plate martensite, in the sense that a type samsung galaxy tab s7 fe 12.4 in. bundle, 64gb black of twinning mechanism is involved.