Innovative approach to testing the quality of fusion joints

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DOIResolve DOI: http://doi.org/10.1179/146580103225004153
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TypeArticle
Journal titlePlastics, Rubber and Composites
Volume32
IssueOctober
Pages385395; # of pages: 11
Subjectpolyethylene pipe, welded joint, quality control, nondestructive tests; Pipes and pipelines
AbstractThe exterior beads formed during a butt fusion process were used for non-destructive testing of the quality of butt-fused HDPE pipe joints. This innovative concept was tested using a dimensionless quality parameter that is based on tensile energy to break (TEB) values obtained from tensile testing of both the bead and joint specimens. The results show an r2 of 0.87 for a linear regression between these two sets of specimens, which supports the hypothesis that the external bead squeezed out of a butt-fused joint can be used to test the quality of the joint itself. Statistical analysis was carried out to determine the effects of other tested parameters. Furthermore, four distinct failure modes have been identified and a quality test protocol using the quality parameter is proposed.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number46267
15366
NPARC number20386420
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Record identifier9e7ec947-80a5-4d1c-9c43-67001b9cebef
Record created2012-07-25
Record modified2016-05-09
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