What Is High Angle Grain Boundaries?

What Is High Angle Grain Boundaries? Generally, it is assumed that low-angle grain boundaries (LAGBs) are those with a misorientation less than about 15 degrees. In contrast, the misorientation of high-angle grain boundaries (HAGBs) is greater than about 15 degrees. What is low angle grain boundaries? A low-angle grain boundary is defined as the boundary.