Fig. 2: Representative geometric alignments and domain morphologies for in-grain and cross-grain twin contacts. | Nature Communications

Fig. 2: Representative geometric alignments and domain morphologies for in-grain and cross-grain twin contacts.

From: A quantitative comparison of the fingerprint of twinned microstructures through surface and three-dimensional techniques

Fig. 2

a Twin contacts that form in-grain twin junctions through the intersections of separate twin variants in a single parent grain, and (b) twin contacts that form cross-grain twin pairs that connect at the shared parent grain boundary. The twins are illustrated by orange and blue point clouds of the exterior twin boundary and local reference frame axes detailing the K1, η1, and λ1 directions placed at each twin centroid. Grain boundaries are illustrated by a grey point cloud.

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