Non-Destructive Evaluation of Polyethylene Pipe Welds Using Infrared Imaging
Publish place: 1st Iranian Pipe and Pipeline Conference
Publish Year: 1386
Type: Conference paper
Language: English
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Document National Code:
IPPC01_108
Index date: 11 November 2006
Non-Destructive Evaluation of Polyethylene Pipe Welds Using Infrared Imaging abstract
Polyethylene pipes are important means of transferring gas, oil, water and other chemicals and fluids, therefore welding quality of polyethylene pipes are of great importance. In this paper the applications of polyethylene pipes and welding methods are explained. Different methods of typical weld testing are also discussed. Then infrared imaging is discussed and finally, four new effective methods for non-destructive evaluation (NDE) of the welds are proposed. In the proposed methods which are the main topic of investigation, infrared imaging is used as the basis of the NDE. The first method is based on infrared imaging as gas leak detectors. The second is the UIR method which is a combination of ultrasonic and infrared imaging. The third is the laser-infrared method. And finally the fourth method is the hot air-infrared imaging method which is most suitable once combined with one of the second two methods.
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