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Fracture Modes in Medium Density Polyethylene Gas Piping Systems [PE]


Plastic Pipes Conference Association # 1979 Brigthon


Medium density polyethylene pipe systems have been successfully used in North America and the United Kingdom for gas distribution In the 12-year period over which experience has been accumulated, field situations presenting various potential hazards have been analyzed to enable the pipeline engineer to anticipate the source of problems and thus, improve system safety. Fractographic analysis indicates that nine distinct fracture modes can be clearly recognized, each resulting from a different cause Each of the modes is illustrated and discussed

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