Figure 7

SEM images showing fracture surfaces of HIPS after shear test at (a) ×28, (b) enlarged view of red rectangle inside (a) at ×100, (c) enlarged view of green rectangle inside (a) at ×500 and (d) enlarged view of region A at ×5000.
SEM images showing fracture surfaces of HIPS after shear test at (a) ×28, (b) enlarged view of red rectangle inside (a) at ×100, (c) enlarged view of green rectangle inside (a) at ×500 and (d) enlarged view of region A at ×5000.