The Mechanical and Reaction Behavior of PTFE/Al/Fe₂O₃ under Impact and Quasi-Static Compression

Figure 5

The initiation process of a type B specimen. (a) First sign of initiation, (b) reaction propagated from the edge to the interior of the specimen, (c) violent reaction, and (d) after initiation and the formed crack.

(a)

(b)

(c)

(d)