the National Natural Science Fqundation of China(Nos.51773040 and 21574029);PetroChina Company Limited,China.
In this work,step-cycle tensile behavior of two bimodal polyethylene(PE)materials,a PEI 00 grade pipe material,XS10,and a PEI 00-RC(Resistant Crack)grade pipe material,XSC50,was comparatively investigated.By decomposi...