@article{paperid:1020080, author = {, and Zebarjad, Seyed Mojtaba and Mazinani, Mohammad}, title = {Investigation on Perforation Mechanism of Medium Density Polyethylene}, journal = {Materials Science Forum}, year = {2011}, volume = {675-677}, month = {February}, issn = {0255-5476}, pages = {387--390}, numpages = {3}, keywords = {perforation; polyethylene; plastic zone; shear band}, }