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Crack resistance test of samples from polyethylene pipes

Abstract

Crack resistance test of samples from polyethylene pipes

Savvina A.V., Danzanova E.V.

Incoming article date: 24.07.2019

The article presents the results of testing samples of welded joints of polyethylene pipes for crack resistance at various temperatures. It is shown that in the weld zone a decrease in the stress intensity factor is observed up to 27% compared with the base material.

Keywords: Polymer, polyethylene, pipe, stretching, crack resistance, low temperatures, brittle failure, crack, welding, welded joint, fusion zone