Figure 3. Local region of shear-induced dilation in globular Al-15Cu. (a–c): Radiographs of globules pushing each other apart during rearrangement. (d and e): Projected-area globule outlines and centroids. (f) Centroid displacements from (d) to (e). (g and h): Triangulation of the globule centroids. The values in (h) are the % volumetric strain of the triangles. (i) Overall area change of the centroid polygons = 10.1% dilation.

Figure 3. Local region of shear-induced dilation in globular Al-15Cu. (a–c): Radiographs of globules pushing
each other apart during rearrangement. (d and e): Projected-area globule outlines and centroids. (f) Centroid
displacements from (d) to (e). (g and h): Triangulation of the globule centroids. The values in (h) are the %
volumetric strain of the triangles. (i) Overall area change of the centroid polygons = 10.1% dilation.