Figure 1
Reflection optical micrographs of Vickers indentations. On the (010) surface of HMX with the horizontal indenter diagonal (a) parallel to and (b) at 45° to [100]. (c) Indentation (a) in transmission. (T) twin lamellae, along \( \left[10\overline{1}\right] \) and (C) cleavage cracks. Scale bar 40 μm.