CYCLIC CRB TESTS -A QUICK AND RELIABLE TOOL FOR RANKING OF PE PIPE GRADES [PE]

# 2010 Vancouver

Different polyethylene pipe grades and lots were investigated with a fracture mechanics procedures under cyclic loads. The cyclic tests with Cracked Round Bars allowed a ranking of the different materials concerning crack resistance as a function of failure time as well as of crack initiation time within one week at room temperature. The ranking corresponded to the expectations based on the molecular and morphological properties of the materials. Moreover a lab internal reproduction series with tests on different machines and operators based on a first draft of a testing protocol proved the reproducibility of the results.

Please note that the whole article content is available on PPCA website onlySource : 2010 Vancouver


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