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Volume 5: High-Pressure Technology; ASME NDE Division
The current practice for assuring the quality of butt fusion joints in polyethylene (PE) pipes during installation is by recording the welding parameters used, together with a visual inspection of the welded joint, supplemented by the destructive testing of welds on a sample basis using a short-term test. However, visual inspection can only examine the external surface of the pipe weld; it cannot provide evidence of embedded flaws or a weld with incomplete fusion or cold fusion. In addition,doi:10.1115/pvp2012-78860 fatcat:mnk2fzvwd5btrjunkk2tqoyuja