抄録
It is one of the easily imaginable materials that it has the major plus in many sides compared with another material, and use in the field expands to the polymeric material perhaps. The polymeric material with the especially excellent mechanical properties includes the polycarbonate etc. However, the phenomenon that is called a craze when destroying it is generated in the polymer material and this mechanism is still opaque. Then, this report compared the influence on the craze that occurred in the test piece that changed the environment with the standard one.
