# 1998 Gothenburg
The expanding use of tough high-density polyethylene for gas and water pipes requires the develo~m~ent of new test methods for performance evaluation. This paper investigates the suitability of one of the proposed test methods, the Full Notch Creep Test, as a tool for material performance assessment, quality control and ultimately lifetime prediction of MDPE and HDPE pipes. Optimum test conditions are those lending to plane strain slow crack growth within the shortest failure tinie. Therefore, emphasis has been put on the analysis of the influence of test conditions on failure time and fracture mechanism. Guidelines are proposed in order to get a better understanding of the validity and limitations o f this iiew accelerated test method
Author(s) : Scheelen, Tauber, Berndtson, Lackner, Bertrand, Bilda
Founded on February 24, 1999, the PE100+ Association is an industry organisation of several polyethylene (PE) manufacturers whose objective is to guarantee consistent quality at the highest level in the production and use of PE 100 pipe material. The authors describe the current situation in terms of European...