supported by the National Key Technology R&D Program of China (2007BAE14B01‐06);the Fund for Creative Research Groups of the National Natural Science Foundation of China (50621302)~~
supported by the"Hundred Talents Project"of the Chinese Academy of Sciences,the National Basic Research Program of China(No.2005CB623800);National Natural Science Foundation of China(Nos.50603024, 50621302) and HASYLAB projectⅡ-20052011
The structural changes around a crack tip in a high density polyethylene were investigated by means of scanning synchrotron microfocus small-angle X-ray scattering technique. The scattering data confirm the process of...